JP6112982B2 - shutter - Google Patents

Description

  In the present invention, a plurality of identically shaped slats having a main body part, a connecting convex part, and a connecting concave part are formed by extrusion molding of a resin material, and two adjacent slats are moved relative to each other in the longitudinal direction. , The connecting convex part of one slat of two adjacent slats and the connecting concave part of the other slat are fitted to each other, thereby connecting a plurality of slats to each other in the longitudinal direction of each slat. A pair of extension members are attached to both ends, so that a part of the extension members are inserted into the pair of guide rails, and both ends in the longitudinal direction of each slat are not inserted into the pair of guide rails. The present invention relates to a shutter capable of setting a distance between guide rails and relatively moving a plurality of interconnected slats as shutter doors with respect to a pair of guide rails.

  In particular, according to the present invention, the rotating shaft portion of the connecting convex portion of one slat of two adjacent slats is dropped from the arc-shaped cylindrical bearing portion of the connecting concave portion of the other slat via the gap. The present invention relates to a shutter that can surely prevent the occurrence of the shutter.

  Conventionally, by forming a plurality of identically shaped slats having a main body part, a connecting convex part, and a connecting concave part by extrusion molding of a resin material, by moving the two adjacent slats relative to each other in the longitudinal direction, The connecting convex part of one slat of two adjacent slats and the connecting concave part of the other slat are fitted to each other, whereby a plurality of slats are connected to each other, and both longitudinal ends of each slat are connected. A pair of guides is attached so that a part of the extension member is inserted into the pair of guide rails, and both longitudinal ends of each slat are not inserted into the pair of guide rails. There is known a shutter capable of setting a distance between rails and relatively moving a plurality of mutually connected slats as a shutter door with respect to a pair of guide rails. Examples of this type of shutter include those described in FIGS. 1 to 9 of Patent Document 1 (Japanese Patent Laid-Open No. 2008-261182).

  In the shutter described in FIGS. 1 to 9 of Patent Document 1, the pair of guide rails is configured by a linear straight rail and a curved corner rail. That is, in the shutter described in FIG. 1 to FIG. 9 of Patent Document 1, both ends in the longitudinal direction of each slat are not inserted into the pair of guide rails, and only a part of the extension member is inserted into the pair of guide rails. Therefore, the radius of curvature of the corner rails (10R2, 10L2) of the guide rail can be made smaller than when both longitudinal ends of each slat are inserted into the pair of guide rails.

  Moreover, in the shutter described in FIGS. 1 to 9 of Patent Document 1, the rotation shaft portion and the support portion extending substantially radially outward from the outer peripheral surface of the rotation shaft portion are connected convex portions for connecting each slat. Is provided. Furthermore, an arc tube-shaped bearing portion having an inner peripheral surface that slides on the outer peripheral surface of the rotating shaft portion is provided in the connecting recess of each slat.

  Furthermore, in the shutter described in FIGS. 1 to 9 of Patent Document 1, one of the two adjacent slats is supported by one of the circumferential slats of the circular cylindrical bearing portion of the other slat. The rotation shaft portion of the connecting convex portion of one slat is moved to the arc-shaped cylindrical bearing portion of the connecting concave portion of the other slat so as to move from the position facing the other end portion to the position facing the other end portion. Each slat is configured such that one slat swings relative to the other slat by rotating relative to it.

JP 2008-261182 A

  As in the shutter described in FIGS. 1 to 9 of Patent Document 1, one of the two adjacent slats is supported by one of the circumferential cylindrical bearing portions of the other slat. The rotation shaft portion of the connecting convex portion of one slat is moved to the arc-shaped cylindrical bearing portion of the connecting concave portion of the other slat so as to move from the position facing the other end portion to the position facing the other end portion. In the shutter in which one slat swings with respect to the other slat by rotating with respect to the other slat, the distance between one end in the circumferential direction of the arcuate cylindrical bearing portion of the other slat and the other end ( The larger the gap), the larger the swing angle of one slat that can swing relative to the other slat, and the smaller the radius of curvature of the corner rail of the guide rail. it can.

  However, the larger the gap (gap) between one end in the circumferential direction of the arc-shaped cylindrical bearing part of the coupling recess of the other slat and the other end, the width dimension of the gap (gap). And the difference between the diameter of the rotating shaft portion of the connecting convex portion of one slat is reduced, and as a result, the rotating shaft portion of the connecting convex portion of one slat is in the shape of an arc tube of the connecting concave portion of the other slat. When a force is applied to the bearing portion in the direction of dropping through the gap, the gap expands with the elastic deformation of the arc-shaped cylindrical bearing portion, and the rotation shaft portion of the connecting convex portion of one slat is the other slat. There is a greater risk of falling off the arc-shaped cylindrical bearing portion of the connecting recess.

  In view of the above-described problem, the present invention is configured such that the rotation shaft portion of the connecting convex portion of one of the two adjacent slats has a gap from the circular cylindrical bearing portion of the connecting concave portion of the other slat. It is an object of the present invention to provide a shutter that can surely prevent falling off.

  More specifically, the present invention is directed to increasing the swing angle of the other slat that is swingable with respect to one of the two adjacent slats, in order to increase the swing angle of the other slat. Even when the interval (gap) between one end portion and the other end portion in the circumferential direction is increased, the rotation shaft portion of the connecting projection portion of one slat is the arc of the connecting recess portion of the other slat. It is an object of the present invention to provide a shutter that can surely prevent the cylindrical bearing portion from falling off through the gap.

請 shutter described in Motomeko 1, a slat of the plurality of elongated identical shape and a coupling recess and the coupling projection and the main body portion is formed by extrusion molding of a resin material, two adjacent By relatively moving the slats in the longitudinal direction, the connecting convex part of one slat of two adjacent slats and the connecting concave part of the other slat are fitted to each other. The extension members are attached to both ends in the longitudinal direction of each slat so that a part of the extension member is inserted into the pair of guide rails, and both ends in the longitudinal direction of each slat are a pair of guides. The distance between the pair of guide rails is set so as not to be inserted into the rail, and the pair of guide rails is constituted by a straight linear rail and a curved corner rail. A support portion extending approximately radially outward from the outer peripheral surface of each of the slats is provided on the connecting convex portion of each slat, and each circular cylindrical bearing portion having an inner peripheral surface that slides on the outer peripheral surface of the rotating shaft portion is provided. Provided in the connecting recess of the slat, the support portion of one of the two adjacent slats from the position facing the one end in the circumferential direction of the arc-shaped cylindrical bearing portion of the other slat to the other One of the slats is rotated by the rotation shaft portion of the connecting convex portion of one slat with respect to the arcuate cylindrical bearing portion of the connecting concave portion of the other slat so as to move to a position facing the end portion. In each of the shutters, each of the slats is configured to swing relative to the other slat, and a plurality of interconnected slats as shutter doors can be moved relative to the pair of guide rails. 2 slurs One of the slats is provided with a circular cylindrical drop-off prevention portion on the connecting convex portion of one slat to prevent the rotation shaft portion of one slat from falling off from the circular cylindrical bearing portion of the other slat. The rotation shaft portion of the connecting convex portion of one slat is formed concentrically with the arc-shaped cylindrical drop-off preventing portion, and the rotating shaft portion of the connecting convex portion of one slat and the arc-shaped cylindrical drop-off preventing portion are formed. Connected by the support part, and a clearance fit is established between the inner peripheral surface of the arc-shaped cylindrical drop-off prevention part of the connecting convex part of one slat and the outer peripheral surface of the arc-shaped cylindrical bearing part of the connecting concave part of the other slat. An arc tubular drop-off preventing portion configured to prevent the rotation shaft portion of one slat of two adjacent slats from dropping from the arc tubular bearing portion of the other slat is provided. An arc tube provided in the connecting recess of the slat and the connecting recess of the other slat And a support portion that extends radially outward from one end of the arc-shaped cylindrical bearing portion of the connecting recess of the other slat. , Provided in the connecting recess of the other slat, the arc-shaped cylindrical bearing portion of the connecting recess of the other slat and the arc-shaped drop-off preventing portion are connected by the support portion, and the connecting convex portion of the one slat A gap fit is formed by the outer peripheral surface of the arcuate cylindrical dropout prevention part and the inner peripheral surface of the arcuate cylindrical dropout prevention part of the connecting recess of the other slat, and one of two adjacent slats is formed. The support part of the connecting convex part of the slat is arranged at an arbitrary position between one end part and the other end part in the circumferential direction of the arc-shaped cylindrical bearing part of the connecting concave part of the other slat. In the state, the central axis of the rotation shaft portion of the connecting convex portion of one slat and the other slat. The arc-shaped cylindrical bearing of the connecting recess of the other slat is on a plane connecting the intermediate position between one end in the circumferential direction of the arc-shaped cylindrical bearing of the connecting recess of the other and the other end The connecting projection of one slat is located at a position opposite to the central axis of the rotation shaft of the connecting projection of one slat, with an intermediate position between one end in the circumferential direction of the portion and the other end. The outer peripheral surface of the circular cylindrical drop-off prevention part of the part and the inner peripheral surface of the circular cylindrical drop-off prevention part of the connecting recess of the other slat are opposed to each other, or the connecting convex part of one slat On the plane connecting the center axis of the rotation shaft portion and the intermediate position between one end portion in the circumferential direction of the arcuate cylindrical bearing portion of the connecting recess of the other slat and the other end portion, The cylindrical cylindrical bearing portion of the connecting recess of the other slat across the central axis of the rotating shaft of the connecting projection of the slat Connection of the inner peripheral surface of the arc-shaped drop-off prevention portion of the connecting convex portion of one slat and the other slat at a position opposite to the intermediate position between one end portion and the other end portion in the circumferential direction. an arc tube-shaped outer peripheral surface of the bearing portion of the use recess and faces the main body portion of the sludge collected by constituted by only flat portion of one arc tube-shaped of the connecting protrusion of each tapering bets a protrusion from the outer circumferential surface of the disengagement prevention part extends parallel to the main body portion on the side of the connecting recess, provided in the coupling convex portion of the sludge collected by an arc tube-shaped of the connecting recess of each tapering bets a protrusion from the outer circumferential surface of the disengagement prevention part extends parallel to the main body portion on the side of the coupling convex portion, provided in the recess for connection of the sludge bets, mounted on one end portion in the longitudinal direction of the tapering bets the first end portion for extension member is formed by a tree fat material, a second end portion for extension to be attached to the other end portion in the longitudinal direction of the sludge bets to be Material was formed of a transparent resin material, it abuts in a state in which the extension member for the first end is attached to one end in the longitudinal direction of the tapering bets on one end portion in the longitudinal direction of the tapering bets flanges parts and the first end portion for extension material is a longitudinal direction of the longitudinal direction of the one end portion by Rimokaku slack bets of each tapering preparative longitudinal while state of being attached to an end portion of each tapering bets and a deformation preventing portion which is located on the side of the other end portion is provided in the extension member for the first end portion, minute first part abutting against the main body portion of the sludge collected by the arc of the coupling convex portion of the tapering bets min part 2 abutting against the outer peripheral surface of the cylindrical disengagement prevention part, part 3 minutes the first end abutting against the outer peripheral surface of the arc tube-shaped disengagement prevention part of connecting recess of each tapering bets provided the deformation preventing portion of the use extension member, the groove portion which engages with the protrusion of the coupling convex portion of the sludge collected by part 2 minute deformation preventing portion of the first end portion for extension member Formed, a groove for engagement with the protrusion of the connecting recess of the sludge collected by, and formed in the third part amount of deformation preventing portion of the first end portion for extension member, the extension for the second end abutting the flange on the other end portion in the longitudinal direction of the tapering preparative state wood is attached to the other end portion in the longitudinal direction of the sludge collected by the extension member for the second end of the tapering bets and a deformation preventing portion located on the side of one end portion in the longitudinal direction of the other longitudinal end by Rimokaku slack bets of each tapering bets in a state of being attached to the other end of the second longitudinal provided for an end portion extending member, minute part 1 abutting against the main body portion of the sludge collected by, part 2 fraction in contact with the outer peripheral surface of the arc tube-shaped disengagement prevention part of coupling protrusions of the respective tapering bets If, provided the deformation preventing portion of the arc tube-shaped part 3 minutes a second end for extending member abutting against the outer peripheral surface of the disengagement prevention part of connecting recess of each tapering bets, each tapering bets A groove for engagement with the protrusion of the binding projection, formed on the second part component of deformation preventing portion of the second end portion for extension member, engages the protruding portion of the connecting recess of each tapering bets a groove which is obtained by forming the third part amount of deformation preventing portion of the second end portion for extension member.

Shutter according to claim 2, in the shutter of claim 1, inserted into the first guide rail in Le which is located on the side of the one end portion in the longitudinal direction of the slack bets of the pair of guide rails the shaft-like protruding portion that is provided in the first end portion for extension member to form a Kakaritome突force on the outer peripheral surface of the shaft-like protruding portion of the first end portion for extension member, for the first end a first roller over which is mounted on a shaft-like protruding portion of the extension member is provided, min cylindrical portion, a minute lid covering one end of the cylindrical portion worth, provided in the first roller over, the inner peripheral surface of the cylindrical portion worth of first roller over to form a Kakaritome突force, the outer peripheral surface of the shaft-like protruding portion of the first end portion for extension material Kakaritome突outs first roller over as overcome Kakaritome突force of the inner peripheral surface of the cylindrical portion worth, the shaft-like protruding portion of the first end portion for extension member is pressed into the cylindrical portion worth of the first roller over the first for the end of the extension member By the shaft-like Kakaritome突the inner circumferential surface of the cylindrical portion worth of Kakaritome突outs first roller over the outer peripheral surface of the projecting portion caused Hence locked by it, of the extension member for the first end a shaft-like protruding portion is prevented from escaping et divided cylindrical portion of the first roller over and the outer peripheral surface of the shaft-like protruding portion of the first end portion for extension mATERIAL aND Kakaritome突force, the inner peripheral surface of the cylindrical portion worth of first roller over and loosely fitted by its Kakaritome突force is formed, located on the side of the other end portion in the longitudinal direction of the slack bets of the pair of guide rails the shaft-like protruding portion that is inserted into the second guide rail in Le provided at the second end for the extension member, Kakaritome突caused on the outer peripheral surface of the shaft-like protruding portion of the second end portion for extension member that forming a, a second roller over which is mounted on a shaft-like protruding portion of the second end portion for extension member is provided, min cylindrical portion, minute lid covering one end of the cylindrical portion worth The second row Provided over the inner peripheral surface of the cylindrical portion worth of the second roller over to form a Kakaritome突force, Kakaritome突Kiga of the outer peripheral surface of the shaft-like protruding portion of the second end portion for extension member first as overcome Kakaritome突force of the inner peripheral surface of the cylindrical portion worth of 2 rollers over, shaft-like protruding portion of the second end portion for extension member is pressed into the cylindrical portion worth of the second roller over When, therefore engaged is possible to Kakaritome突force of the inner peripheral surface of the cylindrical portion worth of the outer peripheral surface of the Kakaritome突outs second roller over the shaft-like protruding portion of the second end portion for extending member Accordingly, the shaft-like protruding portion of the second end portion for extension member is prevented from passing et divided cylindrical portion of the second roller over and shaft-like protruding portion of the second end portion for extending member the outer peripheral surface and its Kakaritome突force, the inner peripheral surface of the cylindrical portion worth of the second roller over and loosely fitted by its Kakaritome突force is composed of a plurality of interconnected slack preparative pair for the guide rail phase When to be paired moved, the cylindrical portion worth outer peripheral surface of the first roller over contacts the inner wall surface of the first guide rail, the first roller over the shaft-like protrusion of the first end portion for extension member with rotation for the part, the outer peripheral surface of the cylindrical portion worth of the second roller over contacts the inner wall surface of the second guide rail, a second roller over the shaft-like second end portion for extending member it is intended to rotate against the projecting portion.

The shutter according to claim 3 is the shutter according to claim 1 or 2, wherein the slat is formed of a transparent resin material, the first end extension member is formed of a transparent resin material, and the second end extension is formed. The member is formed of a transparent resin material.

The shutter over according to 請 Motomeko 1, both ends in the longitudinal direction of the tapering bets are not inserted into the pair of guide rails, only a portion of the extension member is inserted into the pair of guide rails and because, than if both ends in the longitudinal direction of the slats are inserted into the pair of guide rails, it is possible to reduce the curvature radius of the corner rails of the guide rail.

The support portion of one of the tapering bets of two sludge bets contacting neighboring to the other end portion from a position facing the one end in the circumferential direction of the arc-cylindrical bearing portion of the other tapering bets to move to a position opposed by the rotation shaft portion of the coupling convex portion of one of the tapering bets rotates against the bearing portion of the arc tube-shaped connecting recess of the other sludge bets, one tapering the shutter over the bets swings against the other tapering bets, by other spacing between one end of the circumferential direction and the other end of the arc-cylindrical bearing portion of the sludge collected by the (gap) increases as Complimentary wireless Internet access, for the other tapering bets can increase the swing angle of the swingable one sludge bets, along with it, it is possible to reduce the curvature radius of the corner rails of the guide rail .

However, the larger the spacing (gap) between the other tapering bets one end in the circumferential direction and the other end of the arc-cylindrical bearing portion of the connecting recess, its spacing (gap) the difference between the diameter of the rotating shaft portion of the coupling convex portion of the width dimension and one tapering bets is reduced, as a result, connecting the rotating shaft portion of the coupling convex portion of one of the tapering bets of other tapering bets when subjected to a force in the direction of falling through the inter-arc tubular bearing portion or al that opportunity of use recess, spread between gap with the elastic deformation of the arc-cylindrical bearing section, of one of the tapering bets possibility that the rotating shaft portion of the coupling convex portion falls off arc tube-shaped bearing portion or these connecting concave portion of the other tapering bets increases.

Therefore, in the shutter over according to 請 Motomeko 1, fitted with coupling concave portion of the coupling convex portion of one of the tapering bets and the other tapering bets of two adjacent tapering bets, whereas of the a tapering bets and the other tapering bets are interconnected, the rocking angle of one sludge bets against the other tapering bets regardless of the size, always of the connecting projection of the one tapering bets and the center axis of the rotary shaft portion, in a flat plane connecting the intermediate position location of the one end portion in the circumferential direction of the arc tube shaped bearing portion of the connecting concave portion of the other tapering bets and the other end there are, other arc tube shaped bearing portion of the connecting recess of the sludge collected by the circumferential one end of the direction and the other of the end portions intermediate position place the spaced with the coupling convex portion of one of the tapering bets on the opposite side of the position of the center axis of the rotary shaft portion, and the outer peripheral surface of the arc tube-shaped disengagement prevention part of coupling protrusions of one sludge bets, for connection of the other tapering bets Part or not the inner circumferential surface of the arc tube-shaped disengagement prevention part are opposed, or central axis, connecting concave portion of the other tapering bets rotating shaft portion of the coupling convex portion of one of the tapering bets intermediate position a on the flat surface connecting the location, the center of the rotating shaft portion of the coupling convex portion of one of the tapering bets with one end in the circumferential direction of the arc-cylindrical bearing portion and the other end of the separating the axis on the opposite side of the position of the intermediate position location of the one end portion in the circumferential direction and the other end of the arc-cylindrical bearing section of the coupling recess of the other sludge bets, one tapering bets and the inner peripheral surface of the arc tube-shaped disengagement prevention part of coupling protrusions, and the outer peripheral surface of the arc-cylindrical bearing section of the coupling recess of the other tapering bets are opposed.

Further, the shutter over according to claim 1, the central axis of the rotary shaft portion of the coupling convex portion of one of the sludge bets, circumferential arc tubular bearing portion of the connecting concave portion of the other tapering bets a on a flat surface connecting the intermediate position location between one end and the other end direction, one end portion in the circumferential direction of the arc-cylindrical bearing section of the coupling recess of the other tapering bets the other on the opposite side of the position of the center axis of the rotary shaft portion of the coupling convex portion of the intermediate position one at a location slack bets the end, the arc tube-shaped connecting projection of the one tapering bets in a state in which the outer peripheral surface of the disengagement prevention part of an inner peripheral surface of the arc tube-shaped disengagement prevention part of coupling concave portion of the other tapering bets are opposite, the rotation of the coupling projection of one of the tapering bets even the shaft portion becomes likely to fall off through the inter-arc tubular bearing portion or al the chance of the connecting concave portion of the other sludge bets, arc tubular dropout of the coupling projection of one of the tapering bets And the outer peripheral surface of the stopper portion, by the inner circumferential surface of the arc tube-shaped disengagement prevention part of coupling concave portion of the other tapering bets and abut, the falling of the rotation shaft portion of the arc-cylindrical bearing section or al Is prevented.

Further, the shutter over according to claim 1, the central axis of the rotary shaft portion of the coupling convex portion of one of the sludge bets, circumferential arc tubular bearing portion of the connecting concave portion of the other tapering bets a on a flat surface connecting the intermediate position location between one end and the other end direction, the other tapering bets at a central axis of the rotary shaft portion of the coupling convex portion of one of the tapering bets in the opposite side of the position of the intermediate position location of the one end portion in the circumferential direction of the arc-cylindrical bearing portion and the other end portion of the connecting recess of the arc tube-shaped connecting projection of the one tapering bets and the inner peripheral surface of the disengagement prevention part of, in a state where the other of the outer peripheral surface of the arc-cylindrical bearing section of the coupling recess of the tapering bets are opposed, the rotation axis of the coupling projection of one of the tapering bets even parts becomes likely to fall off through the inter-arc tubular bearing portion or al the chance of the connecting concave portion of the other sludge bets, arc tubular captive of the coupling convex portion of one of the tapering bets And the inner peripheral surface, the other by the outer peripheral surface of the arc-cylindrical bearing section of the coupling recess of the tapering bets abuts, falling of the rotation shaft portion of the arc-cylindrical bearing section or we are prevented .

That is, according to the shutter over according to claim 1, the inter-arc tubular bearing portion or al the chance of the connecting recess of the sludge collected by the rotational shaft portion and the other of the coupling projection of one of the tapering bets that falls off through, it can always be prevented regardless of the magnitude of the swing angle of one of the sludge bets against the other tapering bets.

In other words, according to the shutter over according to claim 1, in order to increase the for the other tapering bets swing angle of the swingable one tapering bets of two adjacent tapering bets , even when increasing the spacing (gap) between the one end portion in the circumferential direction and the other end of the arc-cylindrical bearing portion of the other tapering bets, the coupling convex portion of one of the tapering bets rotating shaft portion can reliably prevent the fall off via the inter-arc tubular bearing portion or al the chance of the connecting concave portion of the other tapering bets.

Further, the shutter over according to claim 1, than if the fit body portion of the tapering bets were that consists of only a flat plate-shaped portion of the one, the main body portion of each slat has a multilayer structure Also, the visibility can be improved.

However, as the shutter over according to claim 1, in the shutter over the main body portion of the sludge bets formed by molding of a resin material is formed only by the flat portion of the one, the body of each slat than if the part is in multilayer structure, a possibility that the main body portion of the tapering bets are deformed increases. Assuming that the main body portion of the tapering bets is deformed, thereby smoothly it becomes impossible to move relatively against the plurality of sludge bets which are interconnected as a shutter door by a pair of guide rails.

Therefore, in the shutter over according to claim 1, protrusions extending parallel to the main body portion on the side of the connecting recess from the outer circumferential surface of the arc tube-shaped disengagement prevention part of coupling protrusions of the respective tapering bets There is provided coupling convex portion of the tapering bets. Further, protruding portions extending parallel to the main body portion from the outer peripheral surface of the arc tube-shaped disengagement prevention part on the side of the coupling convex portion of the coupling concave portion of the sludge bets are concave portions for connecting the respective tapering bets Is provided.

Specifically, a flange portion abutting against the one end portion in the longitudinal direction of the tapering bets when the first end portion for extension member is mounted on one end portion in the longitudinal direction of the sludge collected by the first end parts for extension material on the side of the other end portion in the longitudinal direction of the longitudinal one end portions by Rimokaku slack bets of each tapering bets when mounted at one end in the longitudinal direction of the tapering bets a deformation preventing portion which position is provided on the extension member for the first end.

Also, minute Part 1 abutting against the main body portion of the sludge collected by, minutes Part 2 abutting against the outer peripheral surface of the arc tube-shaped disengagement prevention part of coupling protrusions of the respective tapering bets, each tapering bets min part 3 abutting against the outer peripheral surface of the arc tube-shaped disengagement prevention part of coupling concave portion is provided on the deformation preventing portion of the first end portion for extension member.

Further, the groove portion which engages with the protrusion of the coupling convex portion of the sludge bets is formed on the second part portion of the deformation preventing portion of the first end portion for extension member. The groove portion which engages with the protrusion of the connecting recess of the sludge bets are formed in Part 3 minute deformation preventing portion of the first end portion for extension member.

That is, in the shutter over according to claim 1, the first end portion for extension member is mounted on one end portion in the longitudinal direction of the sludge collected by the deformation prevention of the first end portion for extension member part 1 component parts are in contact with the main body portion of the sludge collected by, and part 2 partial deformation preventing portion of the first end portion for extension member is arc-cylindrical of the connecting protrusion of each tapering bets contact with the outer peripheral surface of the disengagement prevention part, and an outer peripheral surface of the third part amount of deformation preventing portion of the first end portion for extension member is arc-cylindrical disengagement prevention part of the connecting recess of each tapering bets abut, and the second part portion of the groove portion of the deformation preventing portion of the first end portion for extension member is engaged with the projection of the coupling convex portion of the sludge collected by, and extending for the first end by part 3 min of the groove portion of the deformation preventing portion of the part member is engaged with the projection portion of the connecting recess of the sludge bets, deformation of the main portion of the sludge collected by the longitudinal of each tapering bets of inhibition at one end That.

Further, the shutter over according to claim 1, the other end portion in the longitudinal direction of the tapering bets when the second end portion for extension member attached to the other end portion in the longitudinal direction of the tapering bets abutting the flange portion, longitudinal the other longitudinal end by Rimokaku slack bets of each tapering bets when the second end portion for extension member is attached to the other end portion in the longitudinal direction of the tapering bets and a deformation preventing portion located on the side of one end of the direction is provided on the extension member for the second end.

Also, minute Part 1 abutting against the main body portion of the sludge collected by, minutes Part 2 abutting against the outer peripheral surface of the arc tube-shaped disengagement prevention part of coupling protrusions of the respective tapering bets, each tapering bets min part 3 abutting against the outer peripheral surface of the arc tube-shaped disengagement prevention part of coupling concave portion is provided on the deformation preventing portion of the second end portion for extension member.

Further, the groove portion which engages with the protrusion of the coupling convex portion of the sludge bets is formed on the second part portion of the deformation preventing portion of the second end portion for extension member. The groove portion which engages with the protrusion of the connecting recess of the sludge bets are formed in Part 3 minute deformation preventing portion of the second end portion for extension member.

That is, in the shutter over according to claim 1, when the second end portion for extension member is mounted to the other end portion in the longitudinal direction of the sludge collected by the deformation prevention of the second end portion for extending member part 1 component parts are in contact with the main body portion of the sludge collected by, and part 2 partial deformation prevention portion of the second end portion for extension member is arc-cylindrical of the connecting protrusion of each tapering bets contact with the outer peripheral surface of the disengagement prevention part, and an outer peripheral surface of the third part amount of deformation preventing portion of the second end portion for extension member is arc-cylindrical disengagement prevention part of the connecting recess of each tapering bets abut, and the second part portion of the groove portion of the deformation preventing portion of the second end portion for extension member is engaged with the projection of the coupling convex portion of the sludge collected by, and extending for the second end by part 3 min of the groove portion of the deformation preventing portion of the part member is engaged with the projection portion of the connecting recess of the sludge bets, deformation of the main portion of the sludge collected by the longitudinal of each tapering bets of inhibition at the other end That.

In other words, according to the shutter over according to claim 1, it is possible to suppress the deformation of the main portion of the sludge bets are constituted by only one plate-shaped part of.

The shutter over according to 請 Motomeko 2, when relatively moving against a plurality of sludge bets which are interconnected by a pair of guide rails, the outer peripheral surface of the cylindrical portion worth of the first roller over the first Upon contact with the inner wall surface of the guide rail, the first roller over rotates against the shaft-shaped protrusion of the first end portion for extension member.

Me other, not the first roller over is provided, the shaft-like projection of the first end portion for extension member when for a plurality of sludge bets which are interconnected by a pair of guide rails move relative parts and than when sliding resistance is generated between the inner wall surface of the first guide rail, it is possible to improve the smoothness of the relative movement of a plurality of sludge bets against the pair of guide rails.

Similarly, the shutter over according to claim 2, when relatively moving against a plurality of sludge bets which are interconnected by a pair of guide rails, the outer peripheral surface of the cylindrical portion worth of the second roller over the Upon contact with the inner wall surface of the second guide rail, a second roller over rotates against the shaft-shaped protrusion of the second end portion for extension member.

Me other, not the second roller over is provided, the shaft-like projection of the second end portion for extending member when for a plurality of sludge bets which are interconnected by a pair of guide rails move relative parts and than when sliding resistance is generated between the inner wall surface of the second guide rail, it is possible to improve the smoothness of the relative movement of a plurality of sludge bets against the pair of guide rails.

In other words, according to the shutter over according to claim 2, rolling much smaller than the sliding resistance of the resistance generated when the relatively moving against a plurality of sludge bets which are interconnected by a pair of guide rails by the resistance, it is possible to eliminate the fear of deformation is the main body portion of the sludge taken by the sliding resistance caused when relatively moving against a plurality of sludge bets which are interconnected by a pair of guide rails it can.

In the shutter according to claim 3, the plurality of slats having the same shape are formed of a transparent resin material, and the first end extension member and the second end extension member are formed of a transparent resin material. The inside of the slat can be seen through the slat from the outside of the slat as a door.

It is the figure which showed the shutter 100 of 1st Embodiment. It is the figure which showed the shutter 100 of 1st Embodiment. FIG. 3 is a component diagram of a slat 1 (1 ′) constituting a part of the shutter 100 of the first embodiment shown in FIGS. 1 and 2. FIG. 3 is a component diagram of a slat 1 (1 ′) constituting a part of the shutter 100 of the first embodiment shown in FIGS. 1 and 2. It is the figure which showed the method by which the slat 1 and slat 1 'shown in FIG. 1 and FIG. 2 are mutually connected. It is a right view of the slats 1 and 1 'connected mutually. FIG. 3 is a component diagram of an extension member 2R (2R ′) that constitutes a part of the shutter 100 of the first embodiment shown in FIG. 2. FIG. 3 is a component diagram of an extension member 2R (2R ′) that constitutes a part of the shutter 100 of the first embodiment shown in FIG. 2. FIG. 3 is a component diagram of an extension member 2R (2R ′) that constitutes a part of the shutter 100 of the first embodiment shown in FIG. 2. FIG. 3 is a component diagram of an extension member 2R (2R ′) that constitutes a part of the shutter 100 of the first embodiment shown in FIG. 2. FIG. 3 is a component diagram of an extension member 2L (2L ′) that constitutes a part of the shutter 100 of the first embodiment shown in FIG. 2. FIG. 3 is a component diagram of an extension member 2L (2L ′) that constitutes a part of the shutter 100 of the first embodiment shown in FIG. 2. FIG. 3 is a component diagram of an extension member 2L (2L ′) that constitutes a part of the shutter 100 of the first embodiment shown in FIG. 2. FIG. 3 is a component diagram of an extension member 2L (2L ′) that constitutes a part of the shutter 100 of the first embodiment shown in FIG. 2. FIG. 3 is a component diagram of a roller 3R (3R ′) that constitutes a part of the shutter 100 of the first embodiment shown in FIG. 2. FIG. 3 is a component diagram of a roller 3L (3L ′) that constitutes a part of the shutter 100 of the first embodiment shown in FIG. 2. Extension members 2R and 2R ′ are attached to the longitudinal right ends 1R and 1R ′ of the mutually connected slats 1 and 1 ′ shown in FIG. 6, and a roller 3R is attached to the extension members 2R and 2R ′. , 3R ′ is a diagram showing a method of mounting. Extension members 2L and 2L ′ are attached to the longitudinal left ends 1L and 1L ′ of the mutually connected slats 1 and 1 ′ shown in FIG. 6, and further, rollers 3L are attached to the extension members 2L and 2L ′. , 3L ′ is a diagram showing a method of mounting. FIG. 3 is a component diagram of an intermediate handle 21 constituting a part of the shutter 100 of the first embodiment shown in FIGS. 1 and 2. FIG. 3 is a component diagram of an intermediate handle 21 constituting a part of the shutter 100 of the first embodiment shown in FIGS. 1 and 2. FIG. 3 is a component diagram of extension members 22R and 22L constituting a part of the shutter 100 of the first embodiment shown in FIG. Relationship between the distance L2 between the pair of guide rails 10R and 10L constituting a part of the shutter 100 of the first embodiment shown in FIGS. 1 and 2 and the length L1 (<L2) in the longitudinal direction of the slats 1 and 1 ′. FIG. FIG. 7 is an enlarged view of a portion of FIG. 6 showing a state where the swing angle of the slat 1 relative to the slat 1 ′ is 0 °. It is the figure which showed the state whose rocking angle of slat 1 with respect to slat 1 'is 90 degrees. It is the figure which showed the state whose swing angle of the slat 1 with respect to slat 1 'is 45 degrees. FIG. 26 is an enlarged view of a part of FIG. 25. It is a figure for demonstrating reinforcement member 4a, 4b and reinforcement board 5a, 5b.

  Hereinafter, a first embodiment of the shutter of the present invention will be described. 1 and 2 are diagrams showing a shutter 100 according to the first embodiment. Specifically, FIG. 1 is a perspective view of the shutter 100 according to the first embodiment viewed from the right front side and the upper side. FIG. 2 is an exploded perspective view of the shutter 100 according to the first embodiment viewed from the right front side and the upper side. 3 and 4 are component diagrams of the slat 1 (1 ') that constitutes a part of the shutter 100 of the first embodiment shown in FIGS. Specifically, FIG. 3A is a front view of the slat 1 (1 ′), and FIG. 3B is a right side view of the slat 1 (1 ′). 4A is an enlarged view of a part of FIG. 3B, and FIG. 4B is an enlarged view of another part of FIG. 3B. FIG. 5 is a view showing a method of connecting the slat 1 and the slat 1 ′ shown in FIGS. 1 and 2 to each other. FIG. 6 is a right side view of the mutually connected slats 1, 1 '.

  7 to 10 are component diagrams of the extending member 2R (2R ') constituting a part of the shutter 100 of the first embodiment shown in FIG. Specifically, FIG. 7A is a plan view of the extension member 2R (2R ′), FIG. 7B is a front view of the extension member 2R (2R ′), and FIG. 7C is an extension member 2R (2R ′). FIG. 8A is a right side view of the extending member 2R (2R ′), and FIG. 8B is a left side view of the extending member 2R (2R ′). FIG. 9 is a vertical cross-sectional view along the line AA in FIG. FIG. 10 is a perspective view of the extending member 2R (2R ′) viewed from the right front side and from the upper side.

  FIGS. 11 to 14 are component diagrams of an extending member 2L (2L ′) that constitutes a part of the shutter 100 of the first embodiment shown in FIG. Specifically, FIG. 11A is a plan view of the extension member 2L (2L ′), FIG. 11B is a front view of the extension member 2L (2L ′), and FIG. 11C is an extension member 2L (2L ′). FIG. 12A is a right side view of the extending member 2L (2L ′), and FIG. 12B is a left side view of the extending member 2L (2L ′). FIG. 13 is a vertical cross-sectional view along the line BB in FIG. FIG. 14 is a perspective view of the extension member 2L (2L ′) viewed from the left front side and from the upper side.

  FIG. 15 is a component diagram of a roller 3R (3R ′) constituting a part of the shutter 100 of the first embodiment shown in FIG. Specifically, FIG. 15A is a left side view of the roller 3R (3R ′), FIG. 15B is a front view of the roller 3R (3R ′), and FIG. 15C is C in FIG. It is a vertical sectional view along line -C. FIG. 16 is a component diagram of a roller 3L (3L ′) constituting a part of the shutter 100 according to the first embodiment shown in FIG. Specifically, FIG. 16A is a front view of the roller 3L (3L ′), FIG. 16B is a right side view of the roller 3L (3L ′), and FIG. 16C is D in FIG. It is a vertical sectional view along line -D.

  In FIG. 17, extension members 2R and 2R ′ are attached to the right ends 1R and 1R ′ in the longitudinal direction of the mutually connected slats 1 and 1 ′ shown in FIG. It is the figure which showed the method by which roller 3R, 3R 'is mounted | worn. In FIG. 18, extension members 2L and 2L ′ are attached to the longitudinal left ends 1L and 1L ′ of the mutually connected slats 1 and 1 ′ shown in FIG. It is the figure which showed the method by which the rollers 3L and 3L 'are mounted | worn. FIGS. 19 and 20 are part views of the intermediate handle 21 constituting a part of the shutter 100 of the first embodiment shown in FIGS. 1 and 2. Specifically, FIG. 19A is a front view of the intermediate pull 21, and FIG. 19B is a right side view of the intermediate pull 21. FIG. 20 is a perspective view of the intermediate handle 21 viewed from the right front side and from the upper side.

  FIG. 21 is a component diagram of the extension members 22R and 22L constituting a part of the shutter 100 of the first embodiment shown in FIG. Specifically, FIG. 21A is a perspective view of the extension member 22L viewed from the left front side and the upper side. FIG. 21B is a perspective view of the extending member 22R viewed from the right front side and the upper side. FIG. 22 shows the distance L2 between the pair of guide rails 10R, 10L constituting the part of the shutter 100 of the first embodiment shown in FIGS. 1 and 2, and the length L1 in the longitudinal direction of the slats 1, 1 ′ (<L2). It is the figure which showed the relationship.

  FIG. 23 is an enlarged view of a portion of FIG. 6 showing a state where the swing angle of the slat 1 relative to the slat 1 ′ is 0 °. FIG. 24A is a view showing a state where the swing angle of the slat 1 relative to the slat 1 ′ is 90 °. FIG. 24B is an enlarged view of a part of FIG. FIG. 25 is a view showing a state in which the swing angle of the slat 1 relative to the slat 1 ′ is 45 °. FIG. 26 is an enlarged view of a part of FIG.

  In the shutter 100 of the first embodiment, as shown in FIGS. 1 and 2, for example, twelve slats 1, 1 ′,... Having the same shape connected to each other, a door-to-door puller 11, and an intermediate puller 21. And the shutter door is configured. Further, for example, by a right guide rail 10R configured by three straight rails 10R1 and two corner rails 10R2, and a left guide rail 10L configured by three straight rails 10L1 and two corner rails 10L2, The shutter door is guided so as to be movable (openable and closable).

  In the shutter 100 of the first embodiment, as shown in FIGS. 1 and 2, an intermediate handle 21 is provided. However, in the shutter 100 of the second embodiment, the intermediate handle 21 is omitted instead. Is also possible.

  As shown in FIGS. 1 and 2, the shutter 100 of the first embodiment is provided with a door stop handle 11, but the shutter 100 of the third embodiment is omitted instead. It is also possible to do.

  In the shutter 100 of the first embodiment, as shown in FIG. 1 and FIG. 2, twelve identically shaped slats 1, 1 ′,... Are provided, but in the shutter 100 of the fourth embodiment, Instead, any number (plurality) of slats 1, 1 ', ... having the same shape other than 12 may be provided.

  In the shutter 100 of the first embodiment, as shown in FIGS. 1 and 2, three linear rails 10R1 are provided, and a linear rail 10L1 that is paired therewith is provided. Alternatively, the shutter 100 may be provided with an arbitrary number of linear rails 10R1 other than three, and a linear rail 10L1 that is paired therewith.

  In the shutter 100 of the first embodiment, as shown in FIGS. 1 and 2, two corner rails 10R2 are provided, and a corner rail 10L2 that is paired with the corner rails 10R2 is provided. In the shutter 100, instead of providing only one corner rail 10R2, it is also possible to provide a corner rail 10L2 paired therewith.

  In the shutter 100 of the first embodiment, the slats 1, 1 ′ (see FIGS. 1 and 2), the door-to-door handle 11 (see FIGS. 1 and 2), and the intermediate handle 21 (see FIGS. 1 and 2). Are formed by extrusion molding of a resin material. Further, as shown in FIGS. 3 and 4, the slats 1 and 1 'are provided with main body portions 1a and 1a', connecting convex portions 1b and 1b ', and connecting concave portions 1c and 1c'. Specifically, the connecting portions 1b3c and 1b3c ′ (see FIG. 4A) of the connecting projections 1b and 1b ′ of the slats 1 and 1 ′ are connected to one of the main body portions 1a and 1a ′ of the slats 1 and 1 ′. It is connected to the end portions 1a1, 1a1 ′ (see FIG. 3B and FIG. 4A). Further, the end portions 1c3b and 1c3b ′ (see FIG. 4B) of the connecting recesses 1c and 1c ′ of the slats 1 and 1 ′ are the other end portions 1a2 of the main body portions 1a and 1a ′ of the slats 1 and 1 ′. , 1a2 ′ (see FIGS. 3B and 4B).

  Further, in the shutter 100 of the first embodiment, the connecting convex portion 21b (see FIG. 3) formed in the same shape as the connecting convex portions 1b and 1b ′ (see FIG. 3) of the slats 1, 1 ′ (see FIG. 3). 19) is provided on the intermediate handle 21 (see FIG. 19). Further, a connecting recess 21c (see FIG. 19) formed in the same shape as the connecting recesses 1c and 1c ′ (see FIG. 3) of the slats 1, 1 ′ (see FIG. 3) is an intermediate handle 21 (see FIG. 19). ). Further, the main body 21a (see FIG. 19) of the intermediate handle 21 (see FIG. 19) is formed in a concave shape so that the operator of the shutter 100 can put a finger.

  Further, in the shutter 100 of the first embodiment, a connecting convex portion (not shown) formed in the same shape as the connecting convex portions 1b and 1b '(see FIG. 3) of the slats 1, 1 ′ (see FIG. 3). Is provided on the door-to-door handle 11 (see FIGS. 1 and 2). The main body of the door-to-door handle 11 (see FIGS. 1 and 2) is also formed in a shape that allows the operator of the shutter 100 to place a finger.

  Further, in the shutter 100 of the first embodiment, as shown by arrows in FIG. 5, two adjacent slats 1 and 1 ′ are arranged in the longitudinal direction (lower right-upper left direction in FIGS. 1 and 2; Left and right, and by fitting the connecting convex portion 1b of one slat 1 of the two adjacent slats 1 and 1 'with the connecting concave portion 1c' of the other slat 1 '. Thereby, two adjacent slats 1, 1 'are connected to each other.

  Furthermore, in the shutter 100 of the first embodiment, as shown in FIG. 2, both longitudinal ends 1R, 1L, 1R ′, 1L ′ of the slats 1, 1 ′,... (See FIG. 3A and FIG. 5), extension members 2R, 2L, 2R ′, 2L ′ (see FIGS. 7-14, 17 and 18) are mounted. Further, extension members 22R and 22L (see FIG. 21) are attached to both ends in the longitudinal direction of the intermediate pull 21 (see FIGS. 19 and 20). Further, extension members are attached to both ends in the longitudinal direction of the door stopper 11.

  Further, in the shutter 100 of the first embodiment, as shown in FIG. 22, a part of the extension members 2R, 2L, 2R ′, 2L ′ (specifically, the protruding portions 2R3, 2L3, 2R3 ′, 2L3 ′ (FIG. 7 to 14) are inserted into the pair of guide rails 10R, 10L, and the longitudinal ends 1R, 1L, 1R ', 1L' of each slat 1, 1 'are a pair of guides. The interval L2 between the pair of guide rails 10R, 10L is set to a value larger than the length L1 in the longitudinal direction of each slat 1, 1 ′ so as not to be inserted into the rails 10R, 10L. Furthermore, as shown in FIG. 2, the longitudinal length of the intermediate handle 21 and the longitudinal length of the door stop handle 11 are the length L1 (see FIG. 22) in the longitudinal direction of each slat 1,1 ′. They are set the same.

  Further, in the shutter 100 according to the first embodiment, as shown in FIGS. 1 and 2, the pair of guide rails 10R and 10L includes straight linear rails 10R1 and 10L1 and curved corner rails 10R2 and 10L2. Has been.

  That is, in the shutter 100 of the first embodiment, as shown in FIG. 22, the longitudinal ends 1R, 1L, 1R ′, 1L ′ of the slats 1, 1 ′ are in the pair of guide rails 10R, 10L. Since only a part of the extension members 2R, 2L, 2R ′, 2L ′ is inserted into the pair of guide rails 10R, 10L without being inserted, according to the shutter 100 of the first embodiment, the longitudinal direction of each slat The radius of curvature of the corner rails 10R2 and 10L2 (see FIGS. 1 and 2) of the guide rails 10R and 10L can be made smaller than when both end portions are inserted into the pair of guide rails.

  Moreover, in the shutter 100 of 1st Embodiment, as shown to FIG. 3 (B) and FIG. 4 (A), it is an approximate diameter from the outer peripheral surface of rotating shaft part 1b1, 1b1 'and rotating shaft part 1b1, 1b1'. Support portions 1b2 and 1b2 ′ extending outward in the direction are provided on the connecting convex portions 1b and 1b ′ of the slats 1 and 1 ′. Further, as shown in FIGS. 3 (B) and 4 (B), arc cylindrical bearing portions 1c1, 1c1 ′ each having an inner peripheral surface that slides with the outer peripheral surfaces of the rotating shaft portions 1b1, 1b1 ′ are provided in each slat. 1, 1 'are provided in the connecting recesses 1c, 1c'.

  Furthermore, in the shutter 100 of the first embodiment, as shown in FIGS. 23 and 24B, the support portion 1b2 of one slat 1 of the two adjacent slats 1 and 1 ' A position facing the other end 1c1b '(see Fig. 24B) from a position facing one end 1c1a' (see Fig. 23) in the circumferential direction of the arc-shaped cylindrical bearing portion 1c1 'of the slat 1'. By rotating the rotation shaft portion 1b1 of the connecting convex portion 1b of one slat 1 with respect to the arcuate cylindrical bearing portion 1c1 'of the connecting concave portion 1c' of the other slat 1 ' As shown in FIGS. 6 and 24A, each slat 1, 1 'is configured such that one slat 1 swings with respect to the other slat 1'.

  Specifically, in the shutter 100 of the first embodiment, as shown in FIG. 23, the support portion 1b2 of the slat 1 has one end portion 1c1a in the circumferential direction of the arcuate cylindrical bearing portion 1c1 ′ of the slat 1 ′. When facing “′”, as shown in FIG. 6, the swing angle of the slat 1 relative to the slat 1 ′ becomes 0 °. Further, as shown in FIG. 24B, when the support portion 1b2 of the slat 1 faces the other end portion 1c1b ′ in the circumferential direction of the arcuate cylindrical bearing portion 1c1 ′ of the slat 1 ′, As shown in A), the swing angle of the slat 1 relative to the slat 1 ′ is 90 °.

  Like the shutter 100 of the first embodiment, the support portion 1b2 (FIGS. 23 and 24) of one slat 1 of the two adjacent slats 1 and 1 ′ (see FIGS. 6 and 24A). (See (B)) opposes one end 1c1a ′ (see FIG. 23) in the circumferential direction of the arcuate cylindrical bearing portion 1c1 ′ (see FIG. 23 and FIG. 24 (B)) of the other slat 1 ′. The rotation axis of the connecting convex portion 1b (see FIGS. 23 and 24B) of one slat 1 so as to move from the position to a position facing the other end 1c1b ′ (see FIG. 24B). The portion 1b1 (see FIGS. 23 and 24B) is an arc-shaped cylindrical bearing 1c1 ′ (see FIGS. 23 and 24) of the connecting recess 1c ′ (see FIGS. 23 and 24B) of the other slat 1 ′. 24 (B)) to rotate one of the sliders. In the shutter 100 in which the pivot 1 swings with respect to the other slat 1 ′, one end 1c1a ′ in the circumferential direction of the arcuate cylindrical bearing portion 1c1 ′ (see FIG. 4B) of the other slat 1 ′. As the distance (gap) 1c1d ′ (see FIG. 4B) between the other end 1c1b ′ (see FIG. 4B) and the other end 1c1b ′ (see FIG. 4B) increases, the other slat 1 The swing angle of one of the slats 1 that can swing relative to 'can be increased, and accordingly, the corner rails 10R2, 10L2 (see FIGS. 1 and 2) of the guide rails 10R, 10L (see FIGS. 1 and 2). 2), the radius of curvature can be reduced.

  However, the arc-shaped cylindrical bearing portion 1c1 ′ (see FIG. 4B) of the connecting recess 1c ′ (see FIG. 4B) of the other slat 1 ′ (see FIG. 6 and FIG. 24A). A gap (gap) 1c1d ′ (see FIG. 4B) between one end 1c1a ′ (see FIG. 4B) in the circumferential direction and the other end 1c1b ′ (see FIG. 4B) is increased. The more the distance (gap) 1c1d ′ (see FIG. 4B), the width dimension W1c1ab (see FIG. 4B) and the one slat 1 (see FIG. 6 and FIG. 24A) are connected. The difference between the convex portion 1b (see FIG. 4A) and the diameter D1b1 (see FIG. 4A) of the rotating shaft 1b1 (see FIG. 4A) is reduced, and as a result, one slat 1 Rotating shaft portion 1b of connecting convex portion 1b (see FIGS. 23 and 24B) (see FIGS. 23 and 24B) (Refer to FIG. 23 and FIG. 24 (B)) is the circular cylindrical shape of the connecting recess 1c ′ (refer to FIG. 23 and FIG. 24 (B)) of the other slat 1 ′ (refer to FIG. 23 and FIG. 24 (B)). Direction to drop out from bearing portion 1c1 ′ (see FIGS. 23 and 24B) through gap 1c1d ′ (see FIGS. 23 and 24B) (upward left of FIGS. 23 and 24B) When the force is applied, the gap 1c1d ′ (see FIG. 23 and FIG. 24B) expands with the elastic deformation of the arc-shaped cylindrical bearing portion 1c1 ′ (see FIG. 23 and FIG. 24B), The rotation shaft portion 1b1 (see FIGS. 23 and 24B) of the connecting projection 1b (see FIGS. 23 and 24B) of the slat 1 (see FIGS. 23 and 24B) is the other Recess 1c for connection of slat 1 '(see FIGS. 23 and 24B) Fear of falling off from the arc-cylindrical bearing section 1c1 (FIG. 23 and FIG. 24 (B) refer to) '(see FIG. 23 and FIG. 24 (B)) is increased.

  In view of this problem, in the shutter 100 of the first embodiment, as shown in FIGS. 23 and 24B, the rotation shaft portion of one of the two adjacent slats 1 and 1 ′ is provided. An arc cylindrical dropout prevention portion 1b3 (see FIG. 4A) for preventing 1b1 from dropping from the arcuate cylindrical bearing portion 1c1 ′ of the other slat 1 ′ is used for connecting one slat 1. Provided on the convex portion 1b. Further, the rotation shaft portion 1b1 (see FIG. 4A) of the connecting convex portion 1b of one slat 1 and the arcuate cylindrical dropout prevention portion 1b3 (see FIG. 4A) are formed concentrically. .

  Further, in the shutter 100 of the first embodiment, as shown in FIGS. 23 and 24B, the rotating shaft 1b1 (see FIG. 4A) of the connecting convex portion 1b of one slat 1 and an arc. A cylindrical drop-off prevention portion 1b3 (see FIG. 4A) is connected by a support portion 1b2 (see FIG. 4A). Furthermore, the inner peripheral surface of the arc-shaped drop-off prevention portion 1b3 (see FIG. 4A) of the connecting convex portion 1b of one slat 1 and the arc-cylindrical shape of the connecting concave portion 1c ′ of the other slat 1 ′. A gap fit is formed by the outer peripheral surface of the bearing portion 1c1 ′ (see FIG. 4B).

  Further, in the shutter 100 of the first embodiment, as shown in FIGS. 23 and 24B, the rotation shaft portion 1b1 of one of the two adjacent slats 1 and 1 'is the other of the slats 1 and 1'. An arcuate cylindrical dropout prevention part 1c3 ′ (see FIG. 4B) for preventing the arcuate cylindrical bearing part 1c1 ′ of the slat 1 ′ from falling off is connected to a connecting recess 1c of the other slat 1 ′. Is provided. Further, there is an arc cylindrical bearing portion 1c1 ′ (see FIG. 4B) of the connecting recess 1c ′ of the other slat 1 ′ and an arc cylindrical dropout preventing portion 1c3 ′ (see FIG. 4B). The center axis 1c1c ′ (see FIG. 4B) is formed concentrically.

  Further, in the shutter 100 of the first embodiment, as shown in FIGS. 23 and 24B, the arcuate cylindrical bearing portion 1c1 ′ (FIG. 4B) of the coupling recess 1c ′ of the other slat 1 ′. )) Is one of the end portions 1c1a ′ (see FIG. 4 (B)), and the support portion 1c2 ′ (see FIG. 4 (B)) extending outward in the radial direction is a recess for connecting the other slat 1 ′. 1c ′. Further, the end of the arcuate cylindrical bearing portion 1c1 ′ (see FIG. 4B) and the arcuate cylindrical dropout prevention portion 1c3 ′ (see FIG. 4B) of the connecting recess 1c ′ of the other slat 1 ′. The portion 1c3a ′ (see FIG. 4B) is connected to the support portion 1c2 ′ (see FIG. 4B). Further, the outer peripheral surface of the arc-shaped cylindrical drop-off prevention portion 1b3 (see FIG. 4A) of the connecting convex portion 1b of one slat 1 and the arc-cylindrical shape of the connecting concave portion 1c ′ of the other slat 1 ′. A gap fit is formed by the inner peripheral surface of the drop-off prevention portion 1c3 ′ (see FIG. 4B).

  Specifically, in the shutter 100 of the first embodiment, as shown in FIG. 23, FIG. 24 (B) and FIG. 26, for connecting one of the two adjacent slats 1, 1 ′. The support portion 1b2 of the convex portion 1b is located between one end portion 1c1a 'and the other end portion 1c1b' in the circumferential direction of the arc-shaped cylindrical bearing portion 1c1 'of the connecting concave portion 1c' of the other slat 1 '. When arranged at an arbitrary position, the central axis 1b1b of the rotation shaft portion 1b1 of the connecting convex portion 1b of one slat 1 and the circular cylindrical bearing portion 1c1 of the connecting concave portion 1c 'of the other slat 1'. On the plane S1 connecting one end portion 1c1a 'in the circumferential direction and an intermediate position 1c1e' between the other end portion 1c1b 'and the arcuate cylindrical shape of the connecting recess 1c' of the other slat 1 ' One end 1c1a ′ in the circumferential direction of the bearing 1c1 ′ and the other At a position opposite to the central axis 1b1b of the rotation shaft portion 1b1 of the connecting convex portion 1b of one slat 1 with an intermediate position 1c1e 'from the end portion 1c1b' (the upper left position in FIG. 23), The outer peripheral surface of the arc-shaped cylindrical drop-off preventing portion 1b3 of the connecting convex portion 1b of the slat 1 and the inner peripheral surface of the arc-shaped cylindrical drop-off preventing portion 1c3 'of the connecting concave portion 1c' of the other slat 1 'are opposed to each other. Or the circumferential direction of the center axis 1b1b of the rotating shaft 1b1 of the connecting projection 1b of one slat 1 and the arc-shaped cylindrical bearing 1c1 'of the connecting recess 1c' of the other slat 1 ' The center axis 1b1b of the rotation shaft portion 1b1 of the connecting convex portion 1b of one slat 1 is on a plane S1 that connects an intermediate position 1c1e 'between the one end portion 1c1a' and the other end portion 1c1b '. A recess for connecting the other slat 1 ' A position opposite to an intermediate position 1c1e ′ between one end 1c1a ′ and the other end 1c1b ′ in the circumferential direction of the arc-shaped cylindrical bearing portion 1c1 ′ (FIG. 23, FIG. 24B) and FIG. 26 on the lower right side) of the connecting projection 1b of one slat 1 and the inner peripheral surface of the cylindrical drop-off prevention portion 1b3 and the arc of the connecting recess 1c 'of the other slat 1'. The outer peripheral surface of the bearing portion 1c1 'is opposed.

  That is, in the shutter 100 of the first embodiment, as shown in FIGS. 6, 24 (A) and 25, the connecting convex portion of one of the adjacent two slats 1, 1 ′. When the connecting recess 1c ′ of 1b and the other slat 1 ′ are fitted and the one slat 1 and the other slat 1 ′ are connected to each other, the swing of one slat 1 relative to the other slat 1 ′ Regardless of the magnitude of the moving angle, as shown in FIG. 23, the central axis 1b1b of the rotation shaft portion 1b1 of the connecting convex portion 1b of one slat 1 and the connecting concave portion 1c ′ of the other slat 1 ′ are always provided. For connecting the other slat 1 'on the plane S1 connecting the circumferential end 1c1a' of the arcuate cylindrical bearing 1c1 'and the intermediate position 1c1e' of the other end 1c1b ' Arc-cylindrical bearing 1c1 'of recess 1c' A position on the opposite side of the central axis 1b1b of the rotation shaft portion 1b1 of the connecting projection 1b of one slat 1 with an intermediate position 1c1e 'between one end 1c1a' and the other end 1c1b 'in the circumferential direction ( 23), the outer peripheral surface of the arc-shaped cylindrical drop-off preventing portion 1b3 of the connecting convex portion 1b of one slat 1 and the arc-shaped cylindrical shape of the connecting concave portion 1c ′ of the other slat 1 ′. As shown in FIGS. 23, 24 (B) and 26, the inner peripheral surface of the drop-off preventing portion 1c3 ′ is opposed to the rotation shaft portion 1b1 of the connecting convex portion 1b of one slat 1. A central axis 1b1b and an intermediate position 1c1e 'between one end 1c1a' and one end 1c1b 'in the circumferential direction of the arcuate cylindrical bearing portion 1c1' of the connecting recess 1c 'of the other slat 1' On the plane S1 to be joined, one slat 1 is connected One end 1c1a ′ in the circumferential direction and the other end of the arcuate cylindrical bearing portion 1c1 ′ of the connecting recess 1c ′ of the other slat 1 ′ across the central axis 1b1b of the rotation shaft portion 1b1 of the convex portion 1b for use In the position opposite to the intermediate position 1c1e ′ with respect to the portion 1c1b ′ (the position on the lower right side in FIGS. 23, 24B and 26), the connecting convex portion 1b of one slat 1 has a circular cylindrical shape. The inner peripheral surface of the drop-off preventing portion 1b3 and the outer peripheral surface of the arc-shaped cylindrical bearing portion 1c1 ′ of the connecting recess 1c ′ of the other slat 1 ′ are opposed to each other.

  Further, in the shutter 100 of the first embodiment, as shown in FIG. 23, the central axis 1b1b of the rotation shaft portion 1b1 of the connecting convex portion 1b of one slat 1 and the connecting concave portion 1c of the other slat 1 ′. The connection between the other slat 1 'on the plane S1 connecting one end 1c1a' in the circumferential direction of the arcuate cylindrical bearing portion 1c1 'and the intermediate position 1c1e' between the other end 1c1b ' Of the connecting convex portion 1b of one slat 1 with an intermediate position 1c1e 'between one end 1c1a' and the other end 1c1b 'in the circumferential direction of the arc-shaped cylindrical bearing portion 1c1' of the concave portion 1c 'for use. At the position on the opposite side of the central axis 1b1b of the rotating shaft 1b1 (the position on the upper left side in FIG. 23), the outer peripheral surface of the arcuate cylindrical dropout prevention portion 1b3 of the connecting convex portion 1b of one slat 1 and the other Arc cylinder of concavity 1c 'for connecting slat 1' When one of the slats 1 is connected to the inner peripheral surface of the drop-off prevention portion 1c3 ′ (specifically, when the swing angle of the slat 1 relative to the slat 1 ′ is 0 ° to about 20 °), Even if the rotating shaft portion 1b1 of the convex portion 1b is likely to fall out of the arcuate cylindrical bearing portion 1c1 ′ of the connecting concave portion 1c ′ of the other slat 1 ′ through the gap 1c1d ′, When the outer peripheral surface of the arc-shaped cylindrical dropout preventing portion 1b3 of the connecting convex portion 1b and the inner peripheral surface of the arc-shaped cylindrical dropout preventing portion 1c3 ′ of the connecting concave portion 1c ′ of the other slat 1 ′ are brought into contact with each other. The rotation shaft portion 1b1 is prevented from falling off from the arcuate cylindrical bearing portion 1c1 ′.

  Further, in the shutter 100 of the first embodiment, as shown in FIGS. 23, 24 (B) and 26, the central axis 1b1b of the rotating shaft 1b1 of the connecting convex portion 1b of one slat 1 and the other Of the connecting recess 1c ′ of the slat 1 ′ on the plane S1 connecting the end portion 1c1a ′ in the circumferential direction of the arcuate cylindrical bearing portion 1c1 ′ and the intermediate position 1c1e ′ between the other end portion 1c1b ′. One of the circumferential cylindrical bearing portions 1c1 ′ of the circular cylindrical bearing portion 1c1 ′ of the connecting recess 1c ′ of the other slat 1 ′ across the central axis 1b1b of the rotating shaft portion 1b1 of the connecting convex portion 1b of the one slat 1 For connection of one slat 1 at a position opposite to an intermediate position 1c1e ′ between the end 1c1a ′ and the other end 1c1b ′ (position on the lower right side in FIGS. 23, 24B and 26) Within the arc-shaped drop-off prevention part 1b3 of the convex part 1b When the surface and the outer peripheral surface of the arc-shaped cylindrical bearing portion 1c1 ′ of the connecting recess 1c ′ of the other slat 1 ′ are opposed to each other (specifically, the swing angle of the slat 1 relative to the slat 1 ′ is 0) When the rotation shaft portion 1b1 of the connecting convex portion 1b of one slat 1 is moved from the arc-shaped cylindrical bearing portion 1c1 'of the connecting concave portion 1c' of the other slat 1 'to the clearance 1c1d' Even if it is likely to drop through the inner peripheral surface of the arc-shaped drop-off prevention portion 1b3 of the connecting projection 1b of one slat 1, and the arc-tube shape of the connecting recess 1c 'of the other slat 1'. When the outer peripheral surface of the bearing portion 1c1 ′ comes into contact with the outer circumferential surface, the rotation shaft portion 1b1 is prevented from falling off from the arc-shaped cylindrical bearing portion 1c1 ′. That is, one of the arcuate cylindrical dropout prevention parts 1b3 of the connecting convex part 1b of the slat 1 is sufficiently large so that the central angle of the arcuate cylindrical dropout prevention part 1b3 of the connecting convex part 1b of the slat 1 is sufficiently large. An end 1b3a and the other end 1b3b are set.

  That is, according to the shutter 100 of the first embodiment, as shown in FIGS. 23, 24 (B) and 26, the rotation shaft portion 1 b 1 of the connecting convex portion 1 b of one slat 1 is the other slat 1. The fact that the connecting recess 1c 'of the arcuate cylindrical bearing portion 1c1' falls off through the gap 1c1d 'is related to the swing angle of one slat 1 relative to the other slat 1'. Can always be prevented.

  In other words, according to the shutter 100 of the first embodiment, as shown in FIG. 24, one of the two adjacent slats 1, 1 ′ can swing with respect to the other slat 1 ′. In order to increase the swing angle of the slat 1 to 90 °, for example, as shown in FIG. 4B, one end 1c1a ′ in the circumferential direction of the arcuate cylindrical bearing portion 1c1 ′ of the other slat 1 ′. Even when the distance (gap) 1c1d ′ between the first end portion 1c1b ′ and the other end portion 1c1b ′ is increased, as shown in FIG. 23, FIG. 24B and FIG. It is possible to reliably prevent the rotary shaft portion 1b1 from dropping out from the arc-shaped cylindrical bearing portion 1c1 ′ of the connecting recess 1c ′ of the other slat 1 ′ via the gap 1c1d ′.

  In the shutter 100 of the first embodiment, a plurality of slats 1, 1 ', ... (see Fig. 1 and Fig. 2) having the same shape are formed of a transparent resin material. Therefore, according to the shutter 100 of the first embodiment, the inside of the slats 1, 1 ′,... Is viewed through the slats 1, 1 ′,. can do.

  In the shutter 100 of the first embodiment, a plurality of slats 1, 1 ′,... (See FIG. 1 and FIG. 2) having the same shape are formed of a transparent resin material, but in the shutter 100 of the seventh embodiment. Alternatively, it is also possible to form a plurality of slats 1, 1 ′,... Having the same shape by using an opaque resin material.

  Furthermore, in the shutter 100 of the first embodiment, as shown in FIG. 3B, the main body portions 1a and 1a 'of the slats 1 and 1' are configured by only one flat plate portion. Therefore, according to the shutter 100 of 1st Embodiment, visibility can be improved rather than the case where the main-body part of each slat has a multilayer structure.

  By the way, like the shutter 100 of 1st Embodiment, the main-body parts 1a and 1a '(refer FIG. 3 (B)) of each slat 1,1' (refer FIG. 3 (B)) formed by shaping | molding of the resin material. In the shutter 100 configured by only one flat plate portion, the main body portions 1a and 1a 'of the slats 1 and 1' are deformed as compared with the case where the main body portions of the slats have a multi-layer structure. The risk of doing so increases. If the main body portions 1a, 1a 'of the slats 1, 1' are deformed, a plurality of slats 1, 1 ', ... connected as shutter doors are connected to a pair of guide rails 10R, 10L (see FIG. 1 and FIG. 2) cannot be smoothly moved relative to each other.

  In view of this problem, in the shutter 100 of the first embodiment, as shown in FIG. 4A, the connecting projections 1b and 1b ′ of the slats 1 and 1 ′ have a cylindrical drop-off prevention portion 1b3. , 1b3 ′, and projecting portions 1b4, 1b4 ′ extending in parallel to the main body portions 1a, 1a ′ from the outer peripheral surface of the connecting recesses 1c, 1c ′ (lower side in FIG. 4A) to each slat 1 , 1 ′ are provided on the connecting projections 1b, 1b ′. Further, as shown in FIG. 4B, the connecting convex portions 1b, 1b ′ are formed from the outer peripheral surface of the arc-shaped drop-off preventing portions 1c3, 1c3 ′ of the connecting concave portions 1c, 1c ′ of the slats 1, 1 ′. Protrusions 1c4 and 1c4 ′ extending in parallel with the main body portions 1a and 1a ′ are provided in the connecting recesses 1c and 1c ′ of the slats 1 and 1 ′ on the side of the slats 1a and 1a ′. Yes.

  Furthermore, in the shutter 100 of the first embodiment, the extension members 2R and 2R ′ (see FIG. 17) attached to the right end portions 1R and 1R ′ (see FIG. 17) in the longitudinal direction of the slats 1 and 1 ′ (see FIG. 17). 7 to 10 and 17) are formed by molding a transparent resin material, for example. Further, extension members 2L and 2L ′ (see FIGS. 11 to 14 and FIG. 18) attached to the left ends 1L and 1L ′ (see FIG. 18) in the longitudinal direction of the slats 1 and 1 ′ (see FIG. 18). For example, the transparent resin material is formed by molding.

  Specifically, in the shutter 100 of the first embodiment, as shown by arrows A1 and A2 in FIG. 17, the extension members 2R and 2R ′ are attached to the right end portions 1R and 1R ′ in the longitudinal direction of the slats 1 and 1 ′. Flange portions 2R1, 2R1 ′ (see FIGS. 7, 9, and 10) that contact the right end portions 1R, 1R ′ in the longitudinal direction of the slats 1, 1 ′ as shown in FIG. 17, and arrows A1, A2 in FIG. When the extension members 2R and 2R ′ are mounted on the right ends 1R and 1R ′ in the longitudinal direction of the slats 1 and 1 ′ as described above, the left sides of the right ends 1R and 1R ′ in the longitudinal direction of the slats 1 and 1 ′ ( Deformation preventing portions 2R2 and 2R2 ′ (see FIGS. 7 and 10) located on the left side of FIG. 17 are provided on the extension members 2R and 2R ′. Further, portions 2R1a and 2R1a ′ (FIGS. 7B, 8 and 9) corresponding to the main body portions 1a and 1a ′ (see FIGS. 3 and 4) of the slats 1 and 1 ′ (see FIGS. 3 and 4). 10) and portions 2R1b, 2R1b ′ (see FIG. 3) corresponding to the connecting projections 1b, 1b ′ (see FIGS. 3 and 4A) of the slats 1, 1 ′ (see FIGS. 3 and 4). 7 (A), FIG. 7 (B), FIG. 8 (B), FIG. 9 and FIG. 10) and connecting projections 1c, 1c ′ (see FIG. 3) of the slats 1, 1 ′ (see FIG. 3 and FIG. 4). 3 and the portion 2R1c, 2R1c ′ (see FIG. 7B, FIG. 7C, FIG. 8, FIG. 9 and FIG. 10) corresponding to the extension members 2R, 2R ′ (see FIG. 7 and FIG. 4B). The flange portions 2R1, 2R1 ′ (see FIGS. 7, 9, and 10) of FIGS. 7 to 10) are provided.

  Further, in the shutter 100 of the first embodiment, the portions 2R2a and 2R2a ′ (contacting the main body portions 1a and 1a ′ (see FIG. 3B) of the slats 1 and 1 ′ (see FIG. 3B) (see FIG. 3B). 7 (B), FIG. 8 (B) and FIG. 10) and the connecting projections 1b and 1b ′ (see FIG. 3 (B) and FIG. 4) of each slat 1,1 ′ (see FIG. 3 (B)). (See FIG. 7A), portions 2R2b and 2R2b ′ (FIG. 7A, FIG. 7A), which are in contact with the outer peripheral surface of the circular cylindrical drop-off prevention portions 1b3 and 1b3 ′ (see FIG. 3B and FIG. 4A). 7 (B), FIG. 8 (B), FIG. 9 and FIG. 10) and the connecting recesses 1c and 1c ′ (see FIG. 3 (B) and FIG. 3) of each slat 1,1 ′ (see FIG. 3 (B)). 4R), a portion 2R2c that comes into contact with the outer peripheral surface of the circular cylindrical drop-off prevention portions 1c3 and 1c3 ′ (see FIG. 3B and FIG. 4B) 2R2c ′ (see FIGS. 7B, 7C, 8B, 9 and 10) is the deformation preventing portion 2R2 of the extension members 2R and 2R ′ (see FIGS. 7 to 10). , 2R2 ′ (see FIGS. 7 and 10).

  Further, in the shutter 100 of the first embodiment, the connecting projections 1b and 1b ′ (see FIG. 3B and FIG. 4A) of each slat 1, 1 ′ (see FIG. 3B). Grooves 2R2b1, 2R2b1 ′ (see FIG. 8B) that engage with the protrusions 1b4, 1b4 ′ (see FIG. 3B and FIG. 4A) are extended members 2R, 2R ′ (FIGS. 7 to 7). 10)) 2R2b, 2R2b ′ (see FIGS. 7A, 7B, 8B, 9 and 10) of the deformation preventing portions 2R2, 2R2 ′ (see FIGS. 7 and 10). ). Further, the protrusions 1c4 and 1c4 ′ (see FIG. 3B) of the connecting recesses 1c and 1c ′ (see FIGS. 3B and 4B) of each slat 1,1 ′ (see FIG. 3B). ) And FIG. 4B) are engaged with the groove portions 2R2c1, 2R2c1 ′ (see FIG. 7C and FIG. 8B), and the extension members 2R, 2R ′ (see FIG. 7 to FIG. 10) are deformed. Formed in portions 2R2c and 2R2c ′ (see FIGS. 7B, 7C, 8B, 9 and 10) of the prevention portions 2R2 and 2R2 ′ (see FIGS. 7 and 10) Yes.

  That is, in the shutter 100 of the first embodiment, as shown by arrows A1 and A2 in FIG. 17, the extension members 2R and 2R ′ are attached to the right end portions 1R and 1R ′ in the longitudinal direction of the slats 1 and 1 ′. And portions 2R2a and 2R2a ′ (FIGS. 7B and 8B) of the deformation preventing portions 2R2 and 2R2 ′ (see FIGS. 7 and 10) of the extension members 2R and 2R ′ (see FIGS. 7 to 10). 10) and the main body portions 1a, 1a ′ (see FIG. 3B) of the slats 1, 1 ′ (see FIG. 3B), and the extension members 2R, 2R ′ (FIG. 7). (See FIG. 10), portions 2R2b and 2R2b ′ (FIGS. 7A, 7B, 8B, 9 and 9) of the deformation preventing portions 2R2, 2R2 ′ (see FIGS. 7 and 10). 10) is a connecting projection 1b, 1b ′ (see FIG. 3 (FIG. 3B)) of each slat 1,1 ′ (see FIG. 3B). ) And FIG. 4 (A)), which are in contact with the outer peripheral surfaces of the circular cylindrical drop-off prevention portions 1b3, 1b3 ′ (see FIG. 3 (B) and FIG. 4 (A)) and are extended members 2R, 2R ′. Parts 2R2c, 2R2c ′ (FIGS. 7B, 7C, 8B, and 8B) of the deformation preventing portions 2R2, 2R2 ′ (see FIGS. 7 and 10) of FIG. 7 to FIG. 10 9 and FIG. 10) is a cylindrical cylindrical drop-off prevention of the connecting recesses 1c and 1c ′ (see FIG. 3B and FIG. 4B) of each slat 1,1 ′ (see FIG. 3B). The contact portions 2c2, 1c3 ′ (see FIGS. 3B and 4B) contact the outer peripheral surface, and the deformation preventing portions 2R2, 2R2 ′ of the extension members 2R, 2R ′ (see FIGS. 7 to 10). (See FIGS. 7 and 10) 2R2b, 2R2b ′ (see FIGS. 7A, 7B, 8B, 9 and 10) ) Groove portions 2R2b1, 2R2b1 ′ (see FIG. 8B) are connecting projections 1b, 1b ′ (see FIGS. 3B and 4A) of each slat 1, 1 ′ (see FIG. 3B). )) And protrusions 1b4 and 1b4 ′ (see FIG. 3B and FIG. 4A)) and deformation preventing portions 2R2 of the extension members 2R and 2R ′ (see FIGS. 7 to 10). , 2R2 ′ (see FIG. 7 and FIG. 10), the groove portions 2R2c1, 2R2c1 ′ (see FIG. 7B, FIG. 7C, FIG. 8B, FIG. 9 and FIG. 10) 7C and FIG. 8B) are connecting recesses 1c and 1c ′ for each slat 1,1 ′ (see FIG. 3B) (see FIG. 3B and FIG. 4B). Each of the slats 1, 1 ′ (see FIG. 3) by engaging with the projections 1c4, 1c4 ′ (see FIG. 3B and FIG. 4B). ) Of the main body portions 1a, 1a ′ (see FIG. 3) is suppressed at the right end portions 1R, 1R ′ (see FIG. 3A) in the longitudinal direction of the slats 1, 1 ′ (see FIG. 3). .

  Moreover, in the shutter 100 of the first embodiment, as shown by arrows A5 and A6 in FIG. 18, the extension members 2L and 2L ′ are attached to the left end portions 1L and 1L ′ in the longitudinal direction of the slats 1 and 1 ′. Flanges 2L1, 2L1 ′ (see FIGS. 11, 13, and 14) that contact the left end portions 1L, 1L ′ in the longitudinal direction of the slats 1, 1 ′, as shown by arrows A5, A6 in FIG. When the extension members 2L and 2L ′ are attached to the left end portions 1L and 1L ′ in the longitudinal direction of the slats 1 and 1 ′, they are located on the right side of the left end portions 1L and 1L ′ in the longitudinal direction of the slats 1 and 1 ′ (see FIG. The deformation preventing portions 2L2 and 2L2 ′ (see FIG. 11 and FIG. 14) located on the right side of 18 are provided on the extension members 2L and 2L ′. Furthermore, portions 2L1a and 2L1a ′ (FIGS. 11B, 12 and 13) corresponding to the main body portions 1a and 1a ′ (see FIGS. 3 and 4) of the slats 1 and 1 ′ (see FIGS. 3 and 4). 14) and portions 2L1b, 2L1b ′ (see FIG. 3) corresponding to the connecting projections 1b, 1b ′ (see FIGS. 3 and 4A) of the slats 1, 1 ′ (see FIGS. 3 and 4). 11 (A), FIG. 11 (B), FIG. 12 (A), FIG. 13 and FIG. 14) and connecting projections 1c and 1c ′ (see FIG. 3) of slats 1, 1 ′ (see FIG. 3 and FIG. 4) 3 and FIG. 4 (B)) corresponding to portions 2L1c, 2L1c ′ (see FIG. 11B, FIG. 11C, FIG. 12, FIG. 13 and FIG. 14) are extended members 2L, 2L ′ (see FIG. In the flange portions 2L1, 2L1 ′ (see FIGS. 11, 13, and 14) of FIGS. It has been kicked.

  In the shutter 100 according to the first embodiment, the portions 2L2a and 2L2a ′ (see FIG. 3B) are in contact with the main body portions 1a and 1a ′ (see FIG. 3B) of the slats 1 and 1 ′ (see FIG. 3B). 11 (B), FIG. 12 (A) and FIG. 14) and the connecting projections 1b and 1b ′ (FIG. 3 (B) and FIG. 4) of each slat 1,1 ′ (see FIG. 3 (B)). (See (A)), portions 2L2b and 2L2b ′ (FIG. 11 (A), FIG. 11) that come into contact with the outer peripheral surface of the circular cylindrical drop-off prevention portions 1b3 and 1b3 ′ (see FIG. 3 (B) and FIG. 4 (A)). 11 (B), FIG. 12 (A), FIG. 13 and FIG. 14) and the connecting recesses 1c and 1c ′ (see FIG. 3 (B) and FIG. 3) of each slat 1,1 ′ (see FIG. 3 (B)). 4 (B)) is in contact with the outer peripheral surface of the circular cylindrical drop-off prevention portions 1c3 and 1c3 ′ (see FIGS. 3B and 4B). Minutes 2L2c and 2L2c ′ (see FIGS. 11B, 11C, 12A, 13 and 14) are modifications of the extension members 2L and 2L ′ (see FIGS. 11 to 14). The prevention portions 2L2 and 2L2 ′ (see FIGS. 11 and 14) are provided.

  Further, in the shutter 100 of the first embodiment, the connecting projections 1b and 1b ′ (see FIG. 3B and FIG. 4A) of each slat 1, 1 ′ (see FIG. 3B). Grooves 2L2b1, 2L2b1 ′ (see FIG. 12A) that engage with the protrusions 1b4, 1b4 ′ (see FIGS. 3B and 4A) are extended members 2L, 2L ′ (FIGS. 11 to 11). 14) of portions 2L2b and 2L2b ′ (see FIG. 11A, FIG. 11B, FIG. 12A, FIG. 13 and FIG. 14) of the deformation preventing portions 2L2 and 2L2 ′ (see FIG. 11 and FIG. 14). ). Further, the protrusions 1c4 and 1c4 ′ (see FIG. 3B) of the connecting recesses 1c and 1c ′ (see FIGS. 3B and 4B) of each slat 1,1 ′ (see FIG. 3B). ) And FIG. 4B) are engaged with the groove portions 2L2c1, 2L2c1 ′ (see FIG. 11C and FIG. 12A), and the extension members 2L, 2L ′ (see FIG. 11 to FIG. 14) are deformed. The portions 2L2c and 2L2c ′ (see FIGS. 11B, 11C, 12A, 13 and 14) of the prevention portions 2L2 and 2L2 ′ (see FIGS. 11 and 14) are formed. Yes.

  That is, in the shutter 100 of the first embodiment, as shown by arrows A5 and A6 in FIG. 18, the extension members 2L and 2L ′ are attached to the left end portions 1L and 1L ′ in the longitudinal direction of the slats 1 and 1 ′. And portions 2L2a and 2L2a ′ (FIGS. 11B and 12A) of the deformation preventing portions 2L2 and 2L2 ′ (see FIGS. 11 and 14) of the extension members 2L and 2L ′ (see FIGS. 11 to 14). 14) and the main body portions 1a, 1a ′ (see FIG. 3B) of the slats 1, 1 ′ (see FIG. 3B), and the extension members 2L, 2L ′ (FIG. 11). (See FIG. 14) portions 2L2b and 2L2b ′ (FIGS. 11A, 11B, 12A, 13 and 13) of the deformation preventing portions 2L2, 2L2 ′ (see FIGS. 11 and 14) of FIG. 14) is a connecting convex portion of each slat 1,1 ′ (see FIG. 3B). b, 1b ′ (see FIGS. 3B and 4A) and the outer peripheral surfaces of the arcuate cylindrical dropout prevention portions 1b3 and 1b3 ′ (see FIGS. 3B and 4A) In addition, portions 2L2c and 2L2c ′ (FIGS. 11B and 11C) of the deformation preventing portions 2L2 and 2L2 ′ (see FIGS. 11 and 14) of the extension members 2L and 2L ′ (see FIGS. 11 to 14). ), FIG. 12 (A), FIG. 13 and FIG. 14) are connecting recesses 1c, 1c ′ (FIG. 3 (B) and FIG. 4 (B)) of each slat 1,1 ′ (see FIG. 3 (B)). (See FIG. 3B and FIG. 4B) and the extension members 2L and 2L ′ (see FIGS. 11 to 14). ) Portions 2L2b, 2L2b ′ (FIG. 11A, FIG. 1) of the deformation preventing portions 2L2, 2L2 ′ (see FIGS. 11 and 14) of FIG. (B), groove portions 2L2b1, 2L2b1 ′ (see FIG. 12A) in FIGS. 12A, 13 and 14) are connecting protrusions of each slat 1, 1 ′ (see FIG. 3B). Engaging with the protrusions 1b4 and 1b4 ′ (see FIGS. 3B and 4A) of the portions 1b and 1b ′ (see FIGS. 3B and 4A) and the extending member 2L , 2L ′ (see FIGS. 11 to 14), portions 2L2c and 2L2c ′ (FIGS. 11B, 11C, and 12A) of the deformation preventing portions 2L2 and 2L2 ′ (see FIGS. 11 and 14). ) And FIG. 13 and FIG. 14) groove portions 2L2c1 and 2L2c1 ′ (see FIG. 11C and FIG. 12A) are the connecting recesses 1c of each slat 1,1 ′ (see FIG. 3B). Projections 1c4 and 1c4 'of 1c' (see FIGS. 3B and 4B) (FIGS. 3B and 4) (See (B)), the deformation of the main body portions 1a, 1a '(see FIG. 3) of the slats 1, 1 ′ (see FIG. 3) causes the slats 1, 1 ′ (see FIG. 3) to deform. At the left end portions 1L and 1L ′ in the longitudinal direction (see FIG. 3A).

  In other words, according to the shutter 100 of the first embodiment, the main body portions 1a and 1a ′ (see FIG. 3) of the slats 1 and 1 ′ (see FIG. 3) configured by only one flat plate portion. ) Can be suppressed by the extension members 2R and 2R ′ (see FIGS. 7 to 10) and the extension members 2L and 2L ′ (see FIGS. 11 to 14).

  FIG. 27 is a view for explaining the reinforcing members 4a and 4b and the reinforcing plates 5a and 5b. When each of the slats 1 (see FIG. 3) of the shutter 100 of the first embodiment has a very long length in the longitudinal direction (left and right direction in FIG. 3A), that is, the extension member 2R ( When reinforcement of the main body portion 1a (see FIG. 3) of each slat 1 (see FIG. 3) by the extension member 2L (see FIGS. 11 to 14) and the extension member 2L (see FIGS. 11 to 14) is not sufficient, the extension member 2R. The reinforcing member 4a (see FIG. 27A) or the reinforcing member 4b (see FIG. 27B) is disposed between the extension member 2L (see FIGS. 11 to 14) (see FIGS. 7 to 10). It is also possible. Specifically, the reinforcing member 4a (see FIG. 27A) is formed by, for example, extrusion molding of a transparent resin material. Further, the reinforcing member 4b (see FIG. 27B) is formed in a plate shape by molding a transparent resin material, for example. When reinforcement by only the reinforcing member 4a (see FIG. 27A) is insufficient, for example, metal reinforcing plates 5a and 5b (see FIG. 27A) can be inserted into the reinforcing member 4a. is there. Between the main body 1a (see FIG. 27A) of the transparent slat 1 (see FIG. 27A) and the transparent reinforcing member 4a (see FIG. 27A), or the transparent slat 1 (see FIG. 27A). 27 (B)) between the main body 1a (see FIG. 27 (B)) and the transparent reinforcing member 4b (see FIG. 27 (B)), it is also possible to insert a card on which characters or the like are written. It is. Further, the front surface (left surface of FIG. 27A) of the reinforcing member 4a (see FIG. 27A) or the front surface (left side of FIG. 27B) of the reinforcing member 4b (see FIG. 27A). It is also possible to decorate characters and the like on the surface.

  In the shutter 100 of the first embodiment, shaft-like protrusions 2R3 and 2R3 ′ (FIGS. 7A and 7B) inserted into the guide rail 10R (see FIGS. 1, 2 and 22). 8A, FIG. 9 and FIG. 10) are provided on the extension members 2R and 2R ′ (see FIG. 7 to FIG. 10). Further, the shaft-like protruding portions 2R3 and 2R3 ′ (FIGS. 7A, 7B, 8A, 9 and 10) of the extending members 2R and 2R ′ (see FIGS. 7 to 10). The locking protrusions 2R3a, 2R3a ′ (see FIGS. 7A, 7B, 8A, 9 and 10) are formed on the outer peripheral surface of the reference).

  Further, in the shutter 100 of the first embodiment, the shaft-like protruding portions 2R3 and 2R3 ′ (FIG. 7A) and FIG. 7A of the extension members 2R and 2R ′ (see FIGS. 2, 7 to 10 and 17). 7 (B), FIG. 8 (A), FIG. 9 and FIG. 10) are provided with rollers 3R and 3R ′ (see FIG. 2, FIG. 15, FIG. 17 and FIG. 22). Also, cylindrical portions 3R1, 3R1 ′ (see FIG. 15C) and lid portions 3R2, 3R2 ′ (FIG. 15C) covering the right ends of the cylindrical portions 3R1, 3R1 ′ (see FIG. 15C). )) Is provided on the rollers 3R, 3R ′ (see FIGS. 2, 15, 17 and 22). Further, the locking protrusions 3R1a, 3R1a, 3R1a, 3R1a (see FIG. 15, FIG. 17 and FIG. 22) are arranged on the entire inner peripheral surface of the cylindrical portion 3R1, 3R1 ′ (see FIG. 15C). 3R1a ′ (see FIG. 15C) is formed.

  Further, in the shutter 100 of the first embodiment, the shaft-like protruding portions 2R3 and 2R3 ′ (FIG. 7A) and FIG. 7A of the extension members 2R and 2R ′ (see FIGS. 2, 7 to 10 and 17). 7 (B), FIG. 8 (A), FIG. 9 and FIG. 10) locking projections 2R3a, 2R3a ′ (FIG. 7A, FIG. 7B, FIG. 8A), FIG. And FIG. 10) is a locking projection 3R1a on the inner peripheral surface of the cylindrical portions 3R1, 3R1 ′ (see FIG. 15C) of the rollers 3R, 3R ′ (see FIGS. 2, 15, 17 and 22). , 3R1a ′ (see FIG. 15C), the shaft of the extension members 2R, 2R ′ (see FIGS. 2, 7 to 10 and 17) as shown by arrows A3 and A4 in FIG. Shaped protrusions 2R3, 2R3 ′ (see FIGS. 7A, 7B, 8A, 9 and 10) When they are press-fitted into the cylindrical portions 3R1, 3R1 ′ (see FIG. 15C) of the rollers 3R, 3R ′ (see FIGS. 2, 15, 17 and 22), the extension members 2R, 2R ′ (FIG. 2) , FIG. 7 to FIG. 10 and FIG. 17) shaft-like protrusions 2R3 and 2R3 ′ (see FIG. 7A, FIG. 7B, FIG. 8A, FIG. 9 and FIG. 10) Locking protrusions 2R3a, 2R3a ′ (see FIGS. 7A, 7B, 8A, 9 and 10) are rollers 3R, 3R ′ (FIGS. 2, 15, 17 and The extension member is locked by the locking projections 3R1a and 3R1a ′ (see FIG. 15C) on the inner peripheral surface of the cylindrical portions 3R1 and 3R1 ′ (see FIG. 15C) of FIG. 2R, 2R ′ (see FIGS. 2, 7 to 10, and 17) axial protrusions 2 R 3, 2 R 3 ′ (FIG. 7A) 7B, FIG. 8A, FIG. 9 and FIG. 10) are cylindrical portions 3R1, 3R1 ′ (FIG. 15) of the rollers 3R, 3R ′ (see FIG. 2, FIG. 15, FIG. 17 and FIG. 22). (See (C)) and the shaft-like protrusions 2R3, 2R3 ′ (FIG. 7A) of the extension members 2R, 2R ′ (see FIGS. 2, 7 to 10 and 17). 7B, FIG. 8A, FIG. 9 and FIG. 10) and their locking projections 2R3a, 2R3a ′ (FIG. 7A, FIG. 7B, FIG. 8A) 9 and FIG. 10), and inner peripheral surfaces of the cylindrical portions 3R1, 3R1 ′ (see FIG. 15C) of the rollers 3R, 3R ′ (see FIGS. 2, 15, 17 and 22) and The engagement protrusions 3R1a and 3R1a ′ (see FIG. 15C) form a gap fit.

  Similarly, in the shutter 100 according to the first embodiment, shaft-like protrusions 2L3 and 2L3 ′ (FIGS. 11A and 11) inserted into the guide rail 10L (see FIGS. 1, 2 and 22). (B), FIG. 12 (B), FIG. 13 and FIG. 14) are provided on the extension members 2L and 2L ′ (see FIG. 11 to FIG. 14). Further, the shaft-like protruding portions 2L3 and 2L3 ′ (FIGS. 11A, 11B, 12B, 13 and 14) of the extending members 2L and 2L ′ (see FIGS. 7 to 10). The locking protrusions 2L3a and 2L3a ′ (see FIGS. 11A, 11B, 12B, 13 and 14) are formed on the outer peripheral surface of the reference).

  Furthermore, in the shutter 100 of the first embodiment, the shaft-like protruding portions 2L3 and 2L3 ′ (FIG. 11A) and FIG. 11A of the extension members 2L and 2L ′ (see FIGS. 2, 11 to 14 and 18). 11 (B), FIG. 12 (B), FIG. 13 and FIG. 14) are provided with rollers 3L and 3L ′ (see FIG. 2, FIG. 16, FIG. 18 and FIG. 22). Further, the cylindrical portions 3L1, 3L1 ′ (see FIG. 16C) and the lid portions 3L2, 3L2 ′ (FIG. 16C) covering the left ends of the cylindrical portions 3L1, 3L1 ′ (see FIG. 16C). )) Is provided on the rollers 3L, 3L ′ (see FIGS. 2, 16, 18 and 22). Furthermore, the locking projections 3L1a, 3L1a ′ (see FIG. 16C) on the inner peripheral surface of the cylindrical portions 3L1, 3L1 ′ (see FIG. 16C) of the rollers 3L, 3L ′ (see FIGS. 2, 16, 18 and 22). 16C) is formed.

  In the shutter 100 of the first embodiment, the shaft-like protruding portions 2L3 and 2L3 ′ (FIG. 11A) and FIG. 11A of the extension members 2L and 2L ′ (see FIG. 2, FIG. 11 to FIG. 14 and FIG. 18). 11 (B), FIG. 12 (B), FIG. 13 and FIG. 14) locking projections 2L3a, 2L3a ′ (FIG. 11 (A), FIG. 11 (B), FIG. 12 (B), FIG. And FIG. 14) is a locking projection 3L1a on the inner peripheral surface of the cylindrical portion 3L1, 3L1 ′ (see FIG. 16C) of the rollers 3L, 3L ′ (see FIG. 2, FIG. 16, FIG. 18 and FIG. 22). , 3L1a ′ (see FIG. 16C), the shaft of the extension members 2L, 2L ′ (see FIGS. 2, 11 to 14 and 18) as shown by arrows A7, A8 in FIG. Shaped protrusions 2L3, 2L3 ′ (FIGS. 11A, 11B, 12B, 13 and 14) is press-fitted into the cylindrical portions 3L1 and 3L1 '(see FIG. 16C) of the rollers 3L and 3L' (see FIGS. 2, 16, 18 and 22). 2L, 2L ′ (see FIG. 2, FIGS. 11-14 and FIG. 18) shaft-like protrusions 2L3, 2L3 ′ (FIGS. 11A, 11B, 12B, 13 and The locking protrusions 2L3a, 2L3a ′ (see FIG. 11A, FIG. 11B, FIG. 12B, FIG. 13 and FIG. 14) on the outer peripheral surface of FIG. 14) are rollers 3L, 3L ′ (FIG. 2). , FIG. 16, FIG. 18 and FIG. 22) are locked by the locking projections 3L1a and 3L1a ′ (see FIG. 16C) on the inner peripheral surface of the cylindrical portions 3L1, 3L1 ′ (see FIG. 16C). As a result, the extension members 2L and 2L ′ (FIGS. 2, 11 to 14 and 18) Shaft-like protrusions 2L3 and 2L3 ′ (see FIGS. 11A, 11B, 12B, 13 and 14) are rollers 3L and 3L ′ (FIGS. 2 and 16). 18 and FIG. 22) are prevented from coming off the cylindrical portions 3L1 and 3L1 ′ (see FIG. 16C) and extended members 2L and 2L ′ (FIGS. 2, 11 to 14 and FIG. 18) shaft-like protrusions 2L3 and 2L3 ′ (see FIGS. 11A, 11B, 12B, 13 and 14) and their locking projections 2L3a and 2L3a. '(See FIG. 11A, FIG. 11B, FIG. 12B, FIG. 13 and FIG. 14) and the cylinders of the rollers 3L, 3L ′ (see FIG. 2, FIG. 16, FIG. 18 and FIG. 22) Inner surface of the ring-shaped portions 3L1, 3L1 ′ (see FIG. 16C) and its locking projections 3L1a, 3 A gap fit is formed by L1a '(see FIG. 16C).

  Specifically, in the shutter 100 of the first embodiment, a plurality of slats 1, 1 ′,... (See FIG. 1, FIG. 2 and FIG. 22) connected to each other are connected to a pair of guide rails 10R, 10L (FIG. 1). The outer periphery of the cylindrical portions 3R1, 3R1 ′ (see FIG. 15C) of the rollers 3R, 3R ′ (see FIGS. 2, 15 and 22) when moved relative to the roller 3R, FIG. 22) When the surface comes into contact with the inner wall surface of the guide rail 10R (see FIGS. 1, 2 and 22), the rollers 3R and 3R ′ (see FIGS. 2, 15 and 22) are extended by the extension members 2R and 2R ′ (see FIG. 2). 7 to 10, 17, and 22) (see FIGS. 7A, 7 B, 8 A, 9, and 10). Rotate against.

  Therefore, according to the shutter 100 of 1st Embodiment, roller 3R, 3R '(refer FIG.2, FIG.15 and FIG.22) is not provided, but several slats 1, 1', mutually connected are provided. ... (see FIGS. 1, 2 and 22), when the relative members are moved relative to the pair of guide rails 10R and 10L (see FIGS. 1, 2 and 22), the extension members 2R and 2R ′ (see FIGS. 2 and 7) To FIG. 10, FIG. 17 and FIG. 22) shaft-like protrusions 2R3 and 2R3 ′ (see FIG. 7A, FIG. 7B, FIG. 8A, FIG. 9 and FIG. 10) and guide rails A plurality of slats for the pair of guide rails 10R and 10L (see FIGS. 1, 2 and 22), rather than a case where sliding resistance is generated between the inner wall surfaces of 10R (see FIGS. 1, 2 and 22). 1, 1 ', ... (see Fig. 1, Fig. 2 and Fig. 22) It is possible to improve the smoothness of movement.

  Similarly, in the shutter 100 of the first embodiment, a plurality of slats 1, 1 ′,... (See FIG. 1, FIG. 2 and FIG. 22) connected to each other are connected to a pair of guide rails 10R, 10L (FIG. 1, The outer peripheral surface of the cylindrical portions 3L1, 3L1 ′ (see FIG. 16C) of the rollers 3L, 3L ′ (see FIG. 2, FIG. 16 and FIG. 22) when moved relative to the roller 3L, FIG. Is in contact with the inner wall surface of the guide rail 10L (see FIGS. 1, 2 and 22), the rollers 3L and 3L ′ (see FIGS. 2, 16 and 22) are extended members 2L and 2L ′ (see FIGS. 2 and 2). 11 to 14, 18, and 22) (see FIGS. 11A, 11 B, 12 B, 13, and 14) Rotate.

  Therefore, according to the shutter 100 of 1st Embodiment, roller 3L, 3L '(refer FIG.2, FIG.16 and FIG.22) is not provided, but several slats 1, 1', mutually connected are provided. ... (refer to FIGS. 1, 2 and 22), when extending relative to a pair of guide rails 10R and 10L (refer to FIGS. 1, 2 and 22), the extension members 2L and 2L ′ (FIGS. 2 and 11) To FIG. 14, FIG. 18 and FIG. 22) shaft-like protrusions 2L3 and 2L3 ′ (see FIG. 11A, FIG. 11B, FIG. 12B, FIG. 13 and FIG. 14) and guide rails A plurality of slats for a pair of guide rails 10R and 10L (see FIGS. 1, 2 and 22), rather than a case where sliding resistance is generated between the inner wall surfaces of 10L (see FIGS. 1, 2 and 22). 1, 1 ′,... (FIGS. 1, 2, and 22) It is possible to improve the smoothness of the relative movement of the irradiation).

  In other words, according to the shutter 100 of the first embodiment, a plurality of slats 1, 1 ′,... (See FIG. 1, FIG. 2 and FIG. 22) connected to each other are connected to a pair of guide rails 10R, 10L ( (Refer to FIGS. 1, 2 and 22), by making the resistance generated when moving relative to the rolling resistance much smaller than the sliding resistance, a plurality of slats 1, 1 ′,. Each of the slats 1, 1 ′,... (Refer to FIG. 1, FIG. 2 and FIG. 22) by sliding resistance generated when the relative movement of the pair of guide rails 10R and 10L (see FIG. 1, FIG. 2 and FIG. 22) is performed. The possibility that the main body portions 1a and 1a ′ (see FIG. 3) of FIGS. 1, 2, 3 and 22) are deformed can be eliminated.

  Specifically, in the shutter 100 of the first embodiment, as shown by arrows A1 and A2 in FIG. 17, the extension members 2R and 2R ′ are attached to the right end portions 1R and 1R ′ in the longitudinal direction of the slats 1 and 1 ′. When this is done, first, it corresponds to the connecting projection 1b ′ (see FIG. 17) of the flange 2R1 ′ (see FIGS. 7, 9 and 10) of the extension member 2R ′ (see FIGS. 7 to 10). A shaft portion 2R1b3 ′ (see FIGS. 7A, 7B, 8) of the portion 2R1b ′ (see FIGS. 7A, 7B, 8B, 9 and 10). B), FIG. 9 and FIG. 10) is the rotation shaft portion 1b1 ′ (FIG. 3B and FIG. 4A) of the connecting convex portion 1b ′ (see FIG. 17) of the slat 1 ′ (see FIG. 17). ) (See FIG. 4A), so that the extension member 2R ′ (see FIG. 17) is inserted into the slat 1 It is fixed in the longitudinal direction of the right end portion 1R of (see Fig. 17) '(see FIG. 17). When the extension member 2R ′ (see FIG. 17) is fixed to the right end 1R ′ (see FIG. 17) in the longitudinal direction of the slat 1 ′ (see FIG. 17), the extension member 2R ′ (see FIGS. 7 to 10). ) Of the flange portion 2R1 ′ (see FIGS. 7, 9 and 10) corresponding to the connecting recess 1c ′ (see FIGS. 3 and 4B) (see FIGS. 7B and 7B). C), holes 2R1c1 ′ (see FIGS. 8, 9 and 10) in FIGS. 8, 9 and 10) are connected to the projections 1b (see FIGS. 3 and 4) of the slat 1 (see FIG. 17). It faces the hole 1b1a (see FIG. 4 (A)) of the rotating shaft portion 1b1 (see FIG. 3 (B) and FIG. 4 (A)). Next, a portion 2R1b corresponding to the connecting convex portion 1b (see FIGS. 3 and 4A) of the flange portion 2R1 (see FIGS. 7, 9, and 10) of the extending member 2R (see FIGS. 7 to 10). (See FIGS. 7 (A), 7 (B), 8 (B), 9 and 10)) Shaft portion 2R1b3 (FIGS. 7 (A), 7 (B), 8 (B), FIG. 9 and FIG. 10) is connected to the connecting projection 1b (see FIG. 17) of the slat 1 (see FIG. 17) through the hole 2R1c1 ′ (see FIGS. 8, 9 and 10) of the extension member 2R ′ (see FIG. 17). 3 (see FIG. 3 and FIG. 4 (A)), and is press-fitted into the hole 1b1a (see FIG. 4 (A)) of the rotating shaft 1b1 (see FIG. 3 (B) and FIG. 4 (A)), thereby extending the extension member 2R. (See FIG. 17) is fixed to the right end 1R (see FIG. 17) in the longitudinal direction of the slat 1 (see FIG. 17), and the extension portion 2R1 (see FIG. 17) flange portion 2R1 ′ (see FIGS. 7, 9 and 10) 2R1c ′ (see FIGS. 7B, 7C, 8, 9 and 10) Is pressed against the right end 1R ′ (see FIG. 17) in the longitudinal direction of the slat 1 ′ (see FIG. 17). When the extension member 2R (see FIG. 17) is fixed to the right end portion 1R (see FIG. 17) in the longitudinal direction of the slat 1 (see FIG. 17), the flange portion 2R1 (see FIG. 17) of the extension member 2R (see FIG. 17). 7, corresponding to the connecting convex portion 1 b (see FIGS. 3 and 4A) (see FIGS. 7A, 7 B, 8 B), The outer portion 2R1b1 (see FIGS. 7A, 7B, 8, 9, and 10) of FIG. 9 and FIG. 10 is the flange portion 2R1 ′ of the extension member 2R ′ (see FIG. 17). A portion 2R1c ′ (FIG. 7B, FIG. 7C), FIG. 8, corresponding to the connecting convex portion 1c (see FIG. 3 and FIG. 4B) of FIG. 7, FIG. 9 and FIG. The flange of the extension member 2R (see FIG. 17) is arranged on the right side (see FIG. 17) on the right side of FIG. 9 and FIG. 2R1b (FIGS. 7A, 7B, and 8) corresponding to the connecting convex portion 1b (see FIGS. 3 and 4A) of 2R1 (see FIGS. 7, 9, and 10). B), the convex portion 2R1b2 (see FIGS. 7A, 7B, 8B, and 9) of FIG. 9 and FIG. 10 is the extension member 2R ′ (see FIG. 17). A portion 2R1c ′ (FIGS. 7B and 7C) corresponding to the connecting convex portion 1c (see FIGS. 3 and 4B) of the flange portion 2R1 ′ (see FIGS. 7, 9 and 10). , FIG. 8, FIG. 9 and FIG. 10) are accommodated in the holes 2R1c1 ′ (see FIG. 8, FIG. 9 and FIG. 10).

  Similarly, in the shutter 100 of the first embodiment, as shown by arrows A5 and A6 in FIG. 18, the extension members 2L and 2L ′ are attached to the left end portions 1L and 1L ′ in the longitudinal direction of the slats 1 and 1 ′. First, a portion corresponding to the connecting convex portion 1b ′ (see FIG. 18) of the flange portion 2L1 ′ (see FIGS. 11, 13, and 14) of the extension member 2L ′ (see FIGS. 11 to 14). 2L1b ′ (see FIGS. 11A, 11B, 12A, 13 and 14) 2L1b3 ′ (FIGS. 11A, 11B and 12A) ), FIG. 13 and FIG. 14) is the rotation shaft portion 1b1 ′ (see FIG. 3B and FIG. 4A) of the connecting convex portion 1b ′ (see FIG. 18) of the slat 1 ′ (see FIG. 18). ) In the hole 1b1a ′ (see FIG. 4A), thereby extending the extension member 2L ′ (see FIG. 1). See) is fixed to the slat 1 '(the longitudinal direction of the left end portion 1L see FIG. 18)' (see FIG. 18). Further, when the extension member 2L ′ (see FIG. 18) is fixed to the left end 1L ′ (see FIG. 18) in the longitudinal direction of the slat 1 ′ (see FIG. 18), the extension member 2L ′ (see FIGS. 11 to 14). ) Of the flange portion 2L1 ′ (see FIGS. 11, 13, and 14) corresponding to the connecting recess 1c ′ (see FIGS. 3 and 4B) (see FIGS. 11B and 11B). C), the hole 2L1c1 ′ (see FIGS. 12, 13 and 14) in FIGS. 12, 13 and 14) is connected to the connecting projection 1b (see FIGS. 3 and 4) in the slat 1 (see FIG. 18). It faces the hole 1b1a (see FIG. 4 (A)) of the rotating shaft portion 1b1 (see FIG. 3 (B) and FIG. 4 (A)). Next, a portion 2L1b corresponding to the connecting convex portion 1b (see FIGS. 3 and 4A) of the flange portion 2L1 (see FIGS. 11, 13 and 14) of the extending member 2L (see FIGS. 11 to 14). (See FIGS. 11 (A), 11 (B), 12 (A), 13 and 14)) 2L1b3 (FIGS. 11 (A), 11 (B), 12 (A), FIG. 13 and FIG. 14) is connected to the connecting projection 1b (see FIG. 18) of the slat 1 (see FIG. 18) through the hole 2L1c1 ′ (see FIGS. 12, 13 and 14) of the extension member 2L ′ (see FIG. 18). 3 (see FIG. 3 and FIG. 4 (A)), and press-fitted into the hole 1b1a (see FIG. 4 (A)) of the rotating shaft 1b1 (see FIG. 3 (B) and FIG. 4 (A)), thereby extending the extension member 2L. (See FIG. 18) is the left end 1L in the longitudinal direction of the slat 1 (see FIG. 18) (see FIG. 18). A portion 2L1c ′ (FIGS. 11B, 11C, and 12) of the flange portion 2L1 ′ (see FIGS. 11, 13, and 14) of the extension member 2L ′ (see FIG. 18) is fixed. 13 and FIG. 14) is pressed against the left end 1L ′ (see FIG. 18) in the longitudinal direction of the slat 1 ′ (see FIG. 18). When the extension member 2L (see FIG. 18) is fixed to the left end portion 1R (see FIG. 18) in the longitudinal direction of the slat 1 (see FIG. 18), the flange portion 2L1 (see FIG. 18) of the extension member 2L (see FIG. 18). 11, FIG. 13 and FIG. 14) corresponding to the connecting convex portion 1 b (see FIG. 3 and FIG. 4A) 2 L 1 b (FIG. 11A, FIG. 11B, FIG. 12A), The outer portion 2L1b1 (see FIGS. 11A, 11B, 12, 13, and 14) of FIG. 13 and FIG. 14 is the flange portion 2L1 ′ of the extension member 2L ′ (see FIG. 18). A portion 2L1c ′ (FIGS. 11B, 11C, 12, and 12C) corresponding to the connecting convex portion 1c (see FIGS. 3 and 4B) of FIG. 11, FIG. 13 and FIG. Located on the left side of FIG. 13 and FIG. 14 (left side of FIG. 18) and extended A portion 2L1b (FIG. 11A) corresponding to the connecting convex portion 1b (see FIGS. 3 and 4A) of the flange portion 2L1 (see FIGS. 11, 13 and 14) of the material 2L (see FIG. 18). 11 (B), FIG. 12 (A), FIG. 13 and FIG. 14), the convex portion 2L1b2 (see FIG. 11 (A), FIG. 11 (B), FIG. 12 (A) and FIG. 13) A portion 2L1c ′ (see FIG. 3) corresponding to the connecting convex portion 1c (see FIGS. 3 and 4B) of the flange portion 2L1 ′ (see FIGS. 11, 13, and 14) of the extension member 2L ′ (see FIG. 18). 11 (B), FIG. 11 (C), FIG. 12, FIG. 13 and FIG. 14) is accommodated in the hole 2L1c1 ′ (see FIG. 12, FIG. 13 and FIG. 14).

  In the shutter 100 of the first embodiment, the extension members 2R, 2R ′, 2L, 2L ′ (see FIGS. 17 and 18) are fixed to the slats 1, 1 ′ (see FIGS. 17 and 18) by press fitting. However, in the shutter 100 of the eighth embodiment, instead, the extension members 2R, 2R ′, 2L, 2L ′ (see FIGS. 17 and 18) are replaced with the slats 1, 1 ′ (see FIGS. 17 and 18). On the other hand, it is also possible to fix by adhesion, for example.

  In the shutter 100 of the first embodiment, parts having the same shape are used as the extension members 2R, 2R ′, 2L, 2L ′ (see FIGS. 7 to 14), and rollers 3R, 3R ′, 3L, 3L ′ (FIG. 15 and FIG. 16), parts having the same shape are used.

  In the ninth embodiment, the first to eighth embodiments described above can be appropriately combined.

1, 1 'Slat 1R, 1R', 1L, 1L 'End 1a, 1a' Body 1a1, 1a1 ', 1a2, 1a2' End 1b, 1b 'Connecting convex part 1b1, 1b1' Rotating shaft D1b1, D1b1 ′ Diameter 1b1a, 1b1a ′ Hole 1b1b, 1b1b ′ Center axis 1b2, 1b2 ′ Support part 1b3, 1b3 ′ Fall-off prevention part 1b3a, 1b3a ′, 1b3b, 1b3b ′ End part 1b3c, 1b3b1 part 1c, 1c ′ Connecting recess 1c1, 1c1 ′ Bearing portion 1c1a, 1c1a ′, 1c1b, 1c1b ′ End W1c1ab, W1c1ab ′ Width 1c1c, 1c1c ′ Center axis 1c1d, 1c1d ′ Distance (gap)
1c1e, 1c1e 'Intermediate position 1c2, 1c2' Support part 1c3, 1c3 'Fallout prevention part 1c3a, 1c3a', 1c3b, 1c3b 'End part 1c4, 1c4' Projection part 2R, 2L Extension member 2R1, 2L1 Flange part 2R1a, 2L 2R1b, 2L1b part 2R1b1, 2L1b1 outer part 2R1b2, 2L1b2 convex part 2R1b3, 2L1b3 shaft part 2R1c, 2L1c part 2R1c1, 2L1c1 hole 2R2, 2L2 deformation part 2R2a, 2L2b part 2R2b part 2R2b part 2R2b part 2R2b part 2R2b part 2R2b part 2R2c1, 2L2c1 Groove 2R3, 2L3 Projection 2R3a, 2L3a Locking protrusion 3R, 3L Roller 3R1, 3L1 Cylindrical part 3R1a, 3L1a Locking protrusion 3R2, 3L2 Lid part 4a, 4b Reinforcing member 5a, 5b Reinforcing plate 10R, 10L Guide rail 10R1, 10L1 Straight rail 10R2, 10L2 Corner rail 11 Door puller 21 Intermediate puller 21a Main body 21b Connecting protrusion 21c Connecting recess 22R, 22L Extending member 100 Shutter S1 plane

Claims (3)

A plurality of longitudinally identical slats having a main body portion, a connecting convex portion, and a connecting concave portion are formed by extrusion molding of a resin material,
By causing the two adjacent slats to move relative to each other in the longitudinal direction, the connection convex part of one slat and the connection concave part of the other slat of the two adjacent slats are fitted, Connecting multiple slats to each other,
Attach extension members to both longitudinal ends of each slat,
The distance between the pair of guide rails is set so that a part of the extension member is inserted into the pair of guide rails and the longitudinal ends of each slat are not inserted into the pair of guide rails,
A pair of guide rails is constituted by a straight linear rail and a curved corner rail,
A rotation shaft portion and a support portion extending approximately radially outward from the outer peripheral surface of the rotation shaft portion are provided on the connecting convex portion of each slat,
An arc cylindrical bearing portion having an inner peripheral surface that slides on the outer peripheral surface of the rotating shaft portion is provided in the connecting recess of each slat,
The support portion of one slat of two adjacent slats moves from a position facing one end in the circumferential direction of the arc-shaped cylindrical bearing portion of the other slat to a position facing the other end. As described above, when the rotation shaft portion of the connecting convex portion of one slat rotates with respect to the arc-shaped cylindrical bearing portion of the connecting concave portion of the other slat, one slat swings relative to the other slat. Configure each slat to move,
In a shutter that can move a plurality of mutually connected slats as a shutter door relative to a pair of guide rails,
An arc cylindrical drop-off preventing portion for preventing one of the two adjacent slats from falling off from the arc cylindrical bearing portion of the other slat is connected to one slat. Provided on the convex part,
The rotating shaft part of the connecting convex part of one slat and the arc-shaped cylindrical drop-off preventing part are formed concentrically,
The rotating shaft part of the connecting convex part of one slat and the arcuate cylindrical drop-off prevention part are connected by the support part,
A gap fit is formed by the inner peripheral surface of the arc-shaped cylindrical drop-off preventing portion of the connecting convex portion of one slat and the outer peripheral surface of the arc-shaped cylindrical bearing portion of the connecting concave portion of the other slat,
An arc tubular drop-off preventing portion for preventing the rotation shaft portion of one slat of two adjacent slats from dropping from the arc tubular bearing portion of the other slat is connected to the other slat. Provided in the recess for
The arcuate cylindrical bearing portion of the connecting recess of the other slat and the arcuate cylindrical dropout prevention portion are formed concentrically,
A support portion extending substantially radially outward from one end of the arc-shaped cylindrical bearing portion of the coupling recess of the other slat is provided in the coupling recess of the other slat;
The arcuate cylindrical bearing part of the connecting recess of the other slat and the arcuate cylindrical dropout prevention part are connected by the support part,
A gap fit is constituted by the outer peripheral surface of the arc-shaped cylindrical drop-off prevention part of the connecting convex part of one slat and the inner peripheral surface of the arc-shaped cylindrical drop-off preventing part of the connecting concave part of the other slat,
The support part of the connection convex part of one slat of two adjacent slats has one end part and the other end part in the circumferential direction of the arc-shaped cylindrical bearing part of the connection concave part of the other slat. In the state of being placed at any position between
The central axis of the rotating shaft portion of the connecting convex portion of one slat and the intermediate position between one end portion and the other end portion in the circumferential direction of the circular cylindrical bearing portion of the connecting concave portion of the other slat The connecting convex portion of one slat is on the plane to be connected, with an intermediate position between one end portion and the other end portion in the circumferential direction of the arc-shaped cylindrical bearing portion of the connecting concave portion of the other slat. At the position opposite to the central axis of the rotating shaft, the outer peripheral surface of the arc-shaped cylindrical drop-off prevention part of the connecting convex part of one slat and the arc-shaped cylindrical drop-off preventing part of the connecting concave part of the other slat The inner surface is facing or
The central axis of the rotating shaft portion of the connecting convex portion of one slat and the intermediate position between one end portion and the other end portion in the circumferential direction of the circular cylindrical bearing portion of the connecting concave portion of the other slat One end portion in the circumferential direction of the arc-shaped cylindrical bearing portion of the connecting concave portion of the other slat and the other end portion on the plane to be connected, with the central axis of the rotating shaft portion of the connecting convex portion of one slat being separated The inner peripheral surface of the arc-shaped cylindrical drop-off preventing portion of the connecting convex portion of one slat and the arc-shaped cylindrical bearing portion of the connecting concave portion of the other slat at a position opposite to the intermediate position with the end portion. The outer peripheral surface is facing,
The main body portion of the sludge collected by constituted by only flat portion of the one,
A protrusion extending parallel to the main body portion on the side of the connecting recess from the outer circumferential surface of the arc tube-shaped disengagement prevention part of coupling protrusions of the sludge bets, provided the coupling convex portion of the tapering bets,
A protrusion extending parallel to the main body portion from the outer peripheral surface of the arc tube-shaped disengagement prevention part on the side of the coupling convex portion of the coupling concave portion of the sludge bets, provided concave portions for connecting the respective tapering bets,
A first end portion for extension member mounted to one end portion in the longitudinal direction of the tapering bets formed by tree fat material,
The second end portion for extension member mounted to the other end portion in the longitudinal direction of the sludge collected by forming a transparent resin material,
A flange portion abutting against the one end portion in the longitudinal direction of the tapering bets in a state in which the first end portion for extension member is mounted on one end portion in the longitudinal direction of the sludge bets, extension first end part material is located on the side of the other end portion in the longitudinal direction of the longitudinal one end portions by Rimokaku slack bets of each tapering preparative longitudinal while state of being attached to an end portion of each tapering bets It provided a deformation preventing portion to the extension member for the first end,
Minute Part 1 abutting against the main body portion of the sludge collected by, minutes Part 2 abutting against the outer peripheral surface of the arc tube-shaped disengagement prevention part of coupling protrusions of the sludge collected by concave for connection of each tapering bets an arc tube-shaped outer peripheral surface of the disengagement prevention part of parts provided minutes part 3 abutting against the deformation preventing portion of the first end portion for extension member,
A groove for engagement with the protrusion of the coupling convex portion of the sludge collected by, and formed in the second part component of deformation preventing portion of the first end portion for extension member,
A groove for engagement with the protrusion of the connecting recess of the sludge collected by, and formed in the third part amount of deformation preventing portion of the first end portion for extension member,
A flange portion abutting against the other end portion in the longitudinal direction of the tapering bets in a state in which the second end portion for extension member attached to the other end portion in the longitudinal direction of the sludge collected by the extension for the second end part material is located on the side of one end portion in the longitudinal direction of the other longitudinal end by Rimokaku slack bets of each tapering bets in a state of being mounted on the other end portion in the longitudinal direction of the tapering bets It provided a deformation preventing portion to the extension member for the second end,
Minute Part 1 abutting against the main body portion of the sludge collected by, minutes Part 2 abutting against the outer peripheral surface of the arc tube-shaped disengagement prevention part of coupling protrusions of the sludge collected by concave for connection of each tapering bets an arc tube-shaped outer peripheral surface of the disengagement prevention part of parts provided minutes part 3 abutting against the deformation preventing portion of the second end portion for extension member,
A groove for engagement with the protrusion of the coupling convex portion of the sludge collected by, and formed in the second part component of deformation preventing portion of the second end portion for extension member,
A groove for engagement with the protrusion of the connecting recess of the sludge bets, features and be Resid Yatta over that formed in Part 3 minute deformation preventing portion of the second end portion for extension member. Provided in the longitudinal direction of the one end portion first guide shaft-shaped first end for extending member a protrusion that is inserted into the rail, located on the side of the tapering bets of the pair of guide rails ,
The outer peripheral surface of the shaft-like protruding portion of the first end portion for extension member to form a Kakaritome突force,
A first roller over which is mounted on a shaft-like protruding portion of the first end portion for extension member is provided,
Min cylindrical portion, a minute lid covering one end of the cylindrical portion worth, provided in the first roller over,
The inner peripheral surface of the cylindrical portion worth of first roller over to form a Kakaritome突force,
As overcome Kakaritome突force of the inner peripheral surface of the cylindrical portion worth of Kakaritome突outs first roller over the outer peripheral surface of the shaft-like protruding portion of the first end portion for extension member, the first end When the shaft-like projection of the use extension member is pressed into the cylindrical portion worth of first roller over, Kakaritome突Kiga of the outer peripheral surface of the shaft-like protruding portion of the first end portion for extension member first by being sealed cylindrical portion partial inner peripheral surface thus engaging the Kakaritome突force of the first roller over, shaft-like protruding portion of the first end portion for extension member is cylindrical portion content of the first roller over it is possible to prevent the exit pressure, et al., and the outer peripheral surface and its Kakaritome突cause the shaft-like protruding portion of the first end portion for extension member, the inner peripheral surface of the cylindrical portion worth of first roller over and its is a clearance fit is formed by a Kakaritome突force,
Provided in the longitudinal direction of the other end the second guide shaft-like second end portion for extension member a protrusion that is inserted into the rail, located on the side of the tapering bets of the pair of guide rails ,
The outer peripheral surface of the shaft-like protruding portion of the second end portion for extension member to form a Kakaritome突force,
A second roller over which is mounted on a shaft-like protruding portion of the second end portion for extension member is provided,
Min cylindrical portion, a minute lid covering one end of the cylindrical portion worth, provided on the second roller over,
The inner peripheral surface of the cylindrical portion worth of the second roller over to form a Kakaritome突force,
As overcome Kakaritome突force of the inner peripheral surface of the cylindrical portion worth of Kakaritome突outs second roller over the outer peripheral surface of the shaft-like protruding portion of the second end portion for extension member, a second end When the shaft-like projection of the use extension member is pressed into the cylindrical portion worth of the second roller over, Kakaritome突Kiga of the outer peripheral surface of the shaft-like protruding portion of the second end portion for extension member first by being sealed cylindrical portion partial inner peripheral surface Kakaritome突Thus the engagement force of the second roller over, shaft-like protruding portion of the second end portion for extension member is cylindrical portion content of the second roller over it is possible to prevent the exit pressure, et al., and its Kakaritome突cause the outer peripheral surface of the shaft-like protruding portion of the second end portion for extension member and the inner circumferential surface of the cylindrical portion worth of the second roller over and its is a clearance fit is formed by a Kakaritome突force,
For a plurality of sludge bets which are interconnected by a pair of guide rails when relatively moving, when the outer peripheral surface of the cylindrical portion worth of the first roller over contacts the inner wall surface of the first guide rail, together with the first roller over rotates against the shaft-shaped protrusion of the first end portion for extension member, the outer peripheral surface of the cylindrical portion worth of the second roller over contacts the inner wall surface of the second guide rail shutter over of claim 1 in which the second roller over which is characterized in that rotating against the shaft-shaped protrusion of the second end portion for extension member. The slats are made of transparent resin material,
The first end extension member is formed of a transparent resin material,
The extension member for the second end is formed of a transparent resin material
The shutter according to claim 1 or 2.

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