JP2023017347A - Transportation tool - Google Patents

Abstract

To provide a transportation tool allowing easy locking operation with one hand.SOLUTION: A container 10A of the present disclosure allows locking operation by bringing a locking operation face S1 close to a locking finger hooking face T1 by putting the thumb and other fingers of one hand. On the locking operation face S1 and the locking finger hooking face T1, center recessed parts 45C, 60C and end recessed parts 45E, 60E are formed as "finger rest recessed parts" curved to approach each other, therefore, finger tips are set therein to prevent finger slip. Thus, the container 10A allows easy locking and unlocking operations with one hand.SELECTED DRAWING: Figure 13

Description

FIELD OF THE DISCLOSURE The present disclosure relates to a delivery device having a locking mechanism on a movable portion.

Conventionally, as this type of carrier device, there is known one that can be changed between a locked state and an unlocked state by sliding a lock member (see, for example, Patent Document 1).

Japanese Utility Model Publication No. 7-51469 (Figs. 6, 14, 17)

In contrast to the above-described conventional carrier, there is a demand for development of a carrier that can be easily locked with one hand.

According to the first aspect of the invention, which has been made to solve the above-mentioned problems, a lock member slides on the second instrument component of the first and second instrument components that constitute a part or the whole of the transport instrument. When the lock member is moved to the lock position at one end of the slidable range, the relative movement or relative rotation of the first and second instrument components is restricted, and the slidable range is controlled. a conveying device in which the restriction is released when the lock member is moved to an unlock position on the other end side of the carrier, wherein the lock operation surface is provided on the lock member and faces the unlock position; a locking finger hook surface provided on one or a second instrument component, disposed closer to the lock position than the lock operation surface, and facing away from the lock operation surface, wherein the lock operation surface and the The lock member can be slid to the lock position by placing the thumb and other fingers of one hand on the lock finger hook surface, and the lock operation surface and the lock operation surface. In the carrying device, the locking finger hook surface and the finger hook concave portion are formed so as to curve so as to approach each other and accommodate the fingertip.

The invention according to claim 2 is provided on the lock member and facing the lock position side, and is provided on the first or second instrument component and is provided on the unlocking operation surface to the unlocking position. an unlocking finger resting surface disposed on the side of the unlocking operation surface and facing the opposite side to the unlocking operation surface; By bringing the lock member closer to the unlocking position, the unlocking operation surface and the unlocking finger rest surface are brought closer to each other. 2. The carrying device according to claim 1, wherein the finger rest concave portion is formed so as to be curved and capable of receiving a fingertip.

According to a third aspect of the invention, the lock member is formed with a finger insertion recess into which a fingertip can be inserted, and a pair of opposing inner surfaces of the finger insertion recess are formed on the lock operation surface and the unlock operation surface. 3. The delivery device according to claim 2, wherein:

The invention of claim 4 is the carrying device according to claim 3, wherein the finger contact recesses of the locking operation surface and the finger contact recesses of the unlocking operation surface are aligned in the sliding direction of the lock member. .

In the invention of claim 5, the lock operation surface and the unlock operation surface are arranged to face each other, and the lock member on the side opposite to the lock operation surface from the wall portion having the lock operation surface of the lock member. an engaging projection projecting in a cantilever-like manner in the sliding direction; a joint hole; an elastic engaging piece projecting like a cantilever from a wall portion of the lock member having the unlocking operation surface in the sliding direction on the side opposite to the unlocking operation surface; 2. An engaging portion provided in an instrument component, wherein the locking member interferes with the elastic engaging piece at a position other than the locking position and the unlocking position to deflect the elastic engaging piece. 5. A delivery device according to any one of claims 4 to 4.

According to the sixth aspect of the invention, the locking operation surface, the unlocking operation surface, the locking finger hooking surface, or the unlocking finger hooking surface are orthogonal to the sliding direction of the lock member and are arranged in the first and second devices. 6. Any one of claims 2 to 5, wherein a wave shape in which peaks and valleys are alternately arranged in a direction parallel to the outer surface of the component part is formed, and a plurality of valleys included in the wave shape serve as the finger rest recesses. 1. A carrier device according to claim 1.

In the seventh aspect of the invention, a part of the side wall forms a movable wall that can be rotated or slid, and the movable wall and the side wall next to it form one and the other of the first and second instrument components. 7. The carrier according to claim 1, wherein the movable wall is locked or unlocked by the locking member.

In the carrying device according to claim 1, the thumb of one hand and the other fingers of one hand are brought close to the locking operation surface of the locking member and the locking finger hooking surface of the first or second device component. , the lock member can be slid to the lock position. Further, since the lock operation surface and the locking finger rest surface are formed with curved finger rest recesses so as to approach each other, the fingertips are accommodated in the finger rest recesses to prevent the fingers from slipping. That is, in the carrying device of the present invention, it becomes possible to easily perform the locking operation with one hand.

In the carrying device of claim 2, the thumb and other fingers of one hand are brought close to the unlocking operation surface of the lock member and the unlocking finger hooking surface of the first or second device component. Thus, the lock member can be slid to the unlocked position. Further, since the unlocking operation surface and the unlocking finger rest surface are also formed with curved finger rest recesses so as to approach each other, the fingertips are accommodated in the finger rest recesses to prevent the fingers from slipping. In other words, the carrying device of the present invention can be easily unlocked with one hand.

Here, the locking operation surface and the unlocking operation surface may be arranged back-to-back on the protruded wall provided on the lock member. Then, since both the locking operation and the unlocking operation can be performed by inserting the finger into the common space of the finger insertion recess, effective utilization of the space can be achieved.

In the carrying device of claim 4, since the finger rest recesses on the lock operation surface and the finger rest recesses on the unlock operation surface are aligned in the sliding direction, it is possible to easily switch between the lock operation and the unlock operation. can.

In the carrying device according to claim 5, the elastic engaging piece and the engaging protrusion protrude from the operating portion having the locking operation surface and the unlocking operation surface of the lock member in opposite sides in the sliding direction. Inclination due to receiving the operating force of the member is suppressed, and the sliding operation of the lock member is stabilized.

In the carrying device of claim 6, the locking operation surface, the unlocking operation surface, the locking finger hooking surface, or the unlocking finger hooking surface are wave-shaped. can be used to lock and unlock.

According to the container, which is the carrier device of claim 7, the movable wall can be easily locked and unlocked.

1 is a perspective view of a container according to one embodiment of the present disclosure; FIG. Perspective view of the container in a folded state A perspective view of the container with the second upper wall laid down. Side sectional view of the engagement portion between the first side wall and the second side wall Side sectional view of the engagement portion between the first side wall and the second side wall Side sectional view of the engagement portion between the first side wall and the second side wall Side sectional view of the engagement portion between the first side wall and the second side wall A side perspective view of the second sidewall (A) Flat cross-sectional view of the second upper wall and the upper side protruding wall in the locked state, (B) Flat cross-sectional view in the unlocked state Perspective view of the periphery of the accommodating portion in the second upper wall (A) Front perspective view of lock member, (B) Rear perspective view of lock member Perspective view of the inside of the first upper wall and the upper side projecting wall Perspective view of container corner Perspective view of the outside of the first upper wall and the upper side projecting wall (A) Side view in locked state, (B) Side view in unlocked state of second upper wall and upper side projecting wall

An embodiment of a container 10A as an example of a carrier device of the present disclosure will be described below with reference to FIGS. 1 to 15. FIG. The container 10A shown in FIG. 1 is made of resin, has a rectangular parallelepiped shape with an open upper surface, and each wall has a bar structure. Further, the container 10A can be folded by laying down the side walls 20 and 30 onto the bottom wall 11 as shown in FIG. In addition, girders 12 are provided at the four corners of the lower surface of the container 10A so that the bottom wall 11 is lifted from the floor, the ground, or the like.

Hereinafter, a pair of side walls 20 of the container 10A that face each other in the first horizontal direction H1 are referred to as "a pair of first side walls 20", and one pair that face each other in a second horizontal direction H2 perpendicular to the first horizontal direction H1. are referred to as "a pair of second side walls 30". In the explanation of each part, the vertical direction of each part means the vertical direction in the unfolded state of the container 10A, that is, in the assembled state (see FIG. 1) unless otherwise specified.

As shown in FIG. 1, the first side wall 20 is divided into a first upper side wall 21 and a first lower side wall 22 at an intermediate portion in the vertical direction. The first lower wall 22 is integrally formed with the bottom wall 11 and fixed in an upright state. A pair of inner surface grooves 22A (only one of the inner surface grooves 22A is shown in FIG. 1) are formed in the inner surface of the first lower wall 22 to extend from the upper end to the middle portion in the vertical direction. A pair of hinge legs 21A depending from one upper wall 21 are received in a pair of inner grooves 22A. Then, the first upper wall 21 rotates around hinge protrusions (not shown) extending laterally from the lower ends of the pair of hinge legs 21A, and the first upper wall 21 stands up on the first lower wall 22. It is changed to a standing state and a folded state (see FIG. 2) rotated inward by about 90 degrees from there. As shown in FIG. 3, a pair of upper side projecting walls 23 protrude toward the second side wall 30 from both ends of each first upper wall 21 in the horizontal direction. A pair of lower side projecting walls 24 protrude toward the second side wall 30 from both ends in the horizontal direction.

As shown in FIG. 1, each second side wall 30 is divided into a second upper side wall 31 and a second lower side wall 32 at an intermediate portion in the vertical direction. The second lower wall 32 is hinged to the outer edge of the top surface of the bottom wall 11 and can be changed between an upright state standing from the top surface of the bottom wall 11 and a folded state overlapping the top surface of the bottom wall 11 . A pair of side protrusions 32A (only one of the side protrusions 32A is shown in FIG. 1) protrudes from the upper ends of both lateral side surfaces of the second lower wall 32, and they The side projection 32A is received in a recess 23A formed in the upper side projection wall 23 and opening inward. As shown in FIG. 4, the side projection 32A contacts the inner surface 23Z of the recess 23A, thereby restricting the outward rotation of the second lower wall 32 from the standing state.

Also, the second lower wall 32 can move slightly upward from the upright state. As shown in FIG. 4, when the second lower wall 32 is positioned at the lower end of the vertical movable range in the upright state, the rotation restricting protrusion 32B on the lower surface of the side protrusion 32A and the rotation of the lower surface in the recess 23A. Rotation inward from the upright state is restricted by engagement with the motion-regulating projection 23B, and when positioned at the upper end of the vertical movable range in the upright state, the rotation-regulating projections 23B and 32B as shown in FIG. When the engagement between them is released, the second lower wall 32 can be turned inward as shown in FIG.

As shown in FIG. 1, the lower end of the second upper wall 31 is hingedly connected to the upper end of the second lower wall 32 via a plurality of connecting members 33 so that the second upper wall 31 stands upright on the second lower wall 32 . 3, to a forward tilted state overlapping the outer surface of the second lower wall 32. As shown in FIG. A pair of side protrusions 31A protrude from the upper ends of both lateral side surfaces of the second upper wall 31, and the side protrusions 31A are cutouts 23D formed in the inner surface of the upper side protrusion 23. accepted by

In addition, the second upper wall 31 can move slightly upward from the standing state with respect to the second lower wall 32 . Then, as shown in FIG. 4, when the second upper wall 31 is positioned at the lower end of the vertical movable range with respect to the second lower wall 32 in the upright state, the rotation restricting projection 31B on the lower surface of the side projection 31A and the rotation restricting protrusion 23E in the notch 23D, the second upper wall 31 is restricted from rotating outward from the upright state on the second lower wall 32, as shown in FIG. The second upper wall 31 rotates inward due to the engagement between the rotation restricting protrusion 31C on the lower surface of the side protrusion 31A and the rotation restricting protrusion 23F of the upper side projecting wall 23 shown in FIG. is also regulated.

When the second upper wall 31 is positioned at the upper end of the vertical movable range with respect to the second lower wall 32, as shown in FIG. The engagement between the restricting protrusions 23F and 31C is also released. Then, by moving the second upper wall 31 upward and rotating it outward, the container 10A can be brought into the side half-open state as shown in FIG.

Also when the second lower wall 32 is pulled up from the upright state through the second upper wall 31 (see FIG. 6), the engagement between the rotation restricting protrusions 23E and 31B and the rotation restricting protrusions 23E and 31B are prevented. By releasing the engagement between 23F and 31C and rotating the second upper wall 31 outward, the container 10A can be placed in a side half-open state.

As shown in FIG. 6, when the second lower wall 32 is pulled up from the upright state via the second upper wall 31, the entire second side wall 30 is tilted inward as shown in FIG. It can be in a folded state overlaid on the bottom wall 11 as shown in FIG. Also, the pair of second side walls 30 are aligned on the bottom wall 11 without overlapping each other even when both are folded. Then, the pair of first upper side walls 21 are overlapped on the pair of second side walls 30 in the folded state, and the entire container 10A is in the folded state.

As described above, the container 10A of this embodiment is composed of a plurality of instrument components including the bottom wall 11, the first upper wall 21, the second upper wall 31, the second lower wall 32, and the like. Then, a pair of second upper walls 31 as a "second instrument component" are locked to a pair of first upper walls 21 as a "first instrument component" to rotate and move up and down. A pair of locking members 40 are assembled to each second upper wall 31 to restrict movement.

Note that the pair of second upper walls 31 and the pair of second lower walls 32 are positioned within the pivoting regions of both ends of the pair of first upper walls 21 in the horizontal direction. By locking the second side wall 30 in the upright state, the entire container 10A is locked in the assembled state.

As shown in FIG. 8 , each lock member 40 is housed in a housing portion 35 provided on the upper portion of the lateral end of the second upper wall 31 and supported so as to be slidable in the lateral direction. A through hole 35</b>A that communicates with the accommodating portion 35 is opened in a lateral end face (hereinafter referred to as “side end face”) of the second upper wall 31 . Then, when the lock member 40 is arranged at the lock position at one end of the slidable range, the engaging protrusion 41 of the lock member 40 penetrates the through hole 35A and protrudes from the side end surface of the second upper wall 31, as shown in FIG. As shown in 9(A), it engages with the engagement hole 23K formed in the upper side projecting wall 23 in an uneven manner. As a result, the second upper wall 31 is locked against the upper side projecting wall 23 so as not to rotate or move vertically.

On the other hand, when the lock member 40 is arranged at the unlocked position at the other end of the slidable range, the engaging protrusion 41 of the lock member 40 is positioned on the side of the second upper wall 31 as shown in FIG. 9(B). The second upper wall 31 is unlocked by retreating from the end face toward the through hole 35A.

More specifically, as shown in FIG. 10, the accommodating portion 35 is surrounded by first to fourth protruding walls 39A, 39B, 39C, and 39D protruding from the outer surface of the second upper wall 31 on all four sides of the upper, lower, left, and right sides. , the inside is closed by the main plate portion 39E of the second upper wall 31, and the outside is open. Hereinafter, in the description of the housing portion 35 and the lock member 40, the lateral direction of the second upper wall 31 is simply referred to as the lateral direction, the side facing the lock position in the lateral direction is referred to as the lock side, and the opposite side is referred to as the unlock side. Further, the direction orthogonal to the main plate portion 39E in the accommodation portion 35 is called the front-rear direction, and the side of the accommodation portion 35 closer to the main plate portion 39E of the second upper wall 31 is called the rear side, and is separated from the main plate portion 39E to the outside. The front side is called the front side.

The above-described through hole 35A penetrates through the third projecting wall 39C of the housing portion 35 on the lock side. The through hole 35A is positioned in the vertical center of the accommodating portion 35 and has a vertically elongated rectangular shape. A guide wall 35B protrudes from the opening edge of the through hole 35A on the inner surface of the accommodation portion 35, and the tip of the guide wall 35B is the through hole 35A. A rectangular protrusion 35C is provided at the center in the vertical direction of the rear inner surface of the through hole 35A. A curved portion 39</b>G is provided on the fourth projecting wall 39</b>D on the unlocking side of the housing portion 35 .

A stepped portion 35D is formed at an intermediate position in the horizontal direction between the upper and lower surfaces of the housing portion 35, and the lock side of the housing portion 35 with respect to the stepped portion 35D forms a wide portion 35X whose vertical width is stepped. On the other hand, the unlocked side has a narrow portion 35Y with a narrow vertical width in a stepped manner.

A first slide engaging portion 36 protrudes from approximately the center in the front-rear direction at the center in the horizontal direction of the upper and lower inner surfaces of the wide portion 35X. The first slide engaging portion 36 is elongated laterally and has a flat rear surface.

A second slide engaging portion 37 protrudes from the unlocked end of the upper and lower inner surfaces of the narrow portion 35Y. The second slide engagement portion 37 extends laterally shorter than the first slide engagement portion 36 and has a flat rear surface. A wedge-shaped guide 37A extends forward from the front surface of each second slide engaging portion 37. As shown in FIG.

A pair of guide ribs 38A projecting forward from the main plate portion 39E are provided near the upper end and the lower end of the narrow portion 35Y. A pair of guide ribs 38A extend in the lateral direction, one end of which is arranged at the same position as the stepped portion 35D in the lateral direction of the housing portion 35, and the other end connected to the fourth projecting wall 39D. A pair of engaging portions 38B protrude toward each other from the lock-side ends of the front ends of the pair of guide ribs 38A. The pair of engaging portions 38B has a shape in which a laterally extending band plate is bent rearward into a mountain shape. The lock-side end of each engaging portion 38B is connected to a pair of reinforcing ribs 38C projecting forward from the main plate portion 39E and perpendicular to the guide ribs 38A.

As shown in FIG. 11(A), the lock member 40 has a vertically symmetrical structure, and includes a housing portion 42 in the middle portion in the horizontal direction. The housing portion 42 includes a pair of vertically opposed walls 44, a pair of laterally opposed walls 45 and 46, and a flat wall covering a space surrounded by them on four sides from the rear. It has a wide back wall 43 and is open at the front.

The pair of laterally opposed walls 45 and 46 are curved in a symmetrical wave shape. Central recessed portions 45C and 46C curved away from each other are provided in the central portions in the vertical direction of the facing surfaces of the pair of laterally opposed walls 45 and 46, and both upper and lower sides of the respective central recessed portions 45C and 46C are provided. are provided with ridges 45D and 46D curved on the sides approaching each other, and end concave portions 45E and 46E are provided at both upper and lower ends.

A pair of vertically opposed walls 44 are formed in a horizontal flat plate shape and extend from the housing portion 42 toward the unlocking side. A curved portion 44D is formed. A strip-shaped lateral end wall 47 that faces the laterally opposed wall 46 spans between the unlocked ends of the pair of vertically opposed walls 44 . A curved portion 47</b>G that bulges toward the housing portion 42 is formed in the vertical intermediate portion of the lateral end wall 47 . The front side of the lateral end wall 47 on the housing part 42 side (locking side) is inclined toward the unlocking side toward the front end. Furthermore, as shown in FIG. 11(B), the rear surface of the pair of vertically opposed walls 44 forms a plane flush with the rear surface of the rear wall 43 over the entire pair of vertically opposed walls 44 . The rear surface of the lateral end wall 47 is located forward of the rear surface of the vertically opposed wall 44 .

As shown in FIG. 11(A), an elastic engaging piece 49 and a front surface are surrounded by a pair of vertically opposed walls 44, a lateral end wall 47, and a laterally opposed wall 46 on all four sides. A wall 48 is provided. As shown in FIG. 11B, the elastic engaging piece 49 is engaged with an engaging piece main body 49A extending from a position close to the front end in the vertical center of the laterally opposed wall 46 toward the unlock side with a constant width. A rear projection 49B projecting rearward from the tip of the joint piece main body 49A, a pair of reinforcing ribs 49C connecting between the upper and lower ends of the rear projection 49B and the engaging piece main body 49A, and a pair of reinforcements. A pair of engaging protrusions 50 protruding vertically from the rib 49C is provided. In addition, a reinforcing ridge 49D is provided at the center in the width direction of the rear surface of the engaging piece main body 49A.

As shown in FIG. 11A, the front wall 48 has a plate shape covering the gap between the pair of upper and lower walls 44, the lateral end walls 47 and the laterally opposed walls 46, and the elastic engaging pieces 49. As shown in FIG. ing. A stepped portion 48D is formed on the front wall 48 at a position closer to the housing portion 42 in the lateral direction. The front surface on the opposite side is arranged flush with the front surface of the housing part 42 .

First and second slide engagement portions 51 and 54 that engage with the first and second slide engagement portions 36 and 37 of the housing portion 35 protrude from the outer surfaces of the pair of vertically opposed walls 44 . there is The pair of first slide engaging portions 51 are arranged at positions near the rear end in the front-rear direction on both upper and lower end sides of the housing portion 42 and elongate in the lateral direction. Also, the pair of first slide engaging portions 51 has a flat front surface. Furthermore, a pair of wedge-shaped guides 53 extend from the first slide engagement portions 51 to the rear ends of the vertically opposed walls 44 on the rear side of the pair of first slide engagement portions 51 . In front of the pair of first slide engagement portions 51, a pair of ridges 52 projecting from the outer surface of the vertically opposed wall 44 to be smaller than the first slide engagement portions 51 and extending in the lateral direction are provided. . On the other hand, the pair of second slide engaging portions 54 are arranged at the unlock side end portions of the pair of vertically opposed walls 44 and elongate in the horizontal direction. The pair of second slide engagement portions 54 also have flat front surfaces.

An engaging protrusion 41 is provided on the lock side of the housing portion 42 . The engaging protrusion 41 protrudes like a cantilever from a position near the rear end in the front-rear direction in the center in the vertical direction of the laterally facing wall 45 of the housing portion 42 . Specifically, as shown in FIG. 11(B), a pair of laterally extending rectangular grooves 41A are provided at both ends of the engaging protrusion 41 in the width direction. The groove opening faces rearward. In addition, a band plate-like central wall 41B communicates between the front-rear intermediate portions of the opposing surfaces of the pair of square groove portions 41A. A central groove surrounded by a pair of square groove portions 41A and the central wall 41B is formed in front of and behind the central wall 41B, and as shown in FIG. It is closed by a connecting wall 41C that connects between the tips of the pair of square grooves 41A. Furthermore, the tip of the entire engaging protrusion 41 is tapered in both the front-back direction and the up-down direction.

The locking member 40 is inclined with respect to the front-rear direction, the engaging protrusion 41 is inserted into the through hole 35A, and the lateral end wall 47 is superimposed on the inner surface of the fourth protruding wall 39D. It is pushed into the accommodation portion 35 . Then, the sliding contact between the first slide engaging portion 36 (FIG. 10) and the wedge-shaped guide 53 (see FIG. 11B) and the second slide engaging portion 54 (see FIG. 11B) and the wedge-shaped guide 37A ( FIG. 10 ) elastically deforms so that the accommodating portion 35 is vertically expanded, and the first and second slide engaging portions 51 and 54 of the locking member 40 engage with the first slide engaging portions 51 and 54 of the accommodating portion 35 . , and the accommodating portion 35 is elastically restored when it reaches the rear of the second slide engaging portions 36 and 37 . As a result, the flat front surfaces of the first and second slide engaging portions 51 and 54 of the lock member 40 and the flat rear surfaces of the first and second slide engaging portions 36 and 37 of the housing portion 35 overlap each other. The locking member 40 is slidably supported in the lateral direction. As described above, when the lock member 40 is moved to the locked position at one end of the slidable range, the engaging protrusion 41 protrudes from the side end surface of the second upper wall 31 and moves to the unlocked position at the other end. Then, the engaging projection 41 is retracted toward the accommodating portion 35 and does not protrude from the lateral side surface of the second upper wall 31 .

Further, as shown in FIG. 12, the engagement hole 23K of the upper side protruding wall 23 has a vertically long rectangular shape in which the engaging protrusion 41 protruding from the side end surface of the second upper side wall 31 can be accommodated. Then, as shown in FIG. 9(A), the upper side wall 31 and the second lower side wall 32 of the second side wall 30 are both in an upright state and arranged at the lower end of the vertical movable range, and the upper side projection is made. The engaging protrusion 41 can be engaged with the engaging hole 23K of the wall 23 in a concave-convex manner. Then, when the engaging protrusion 41 is engaged with the engaging hole 23K, the second upper wall 31 enters a locked state in which both vertical movement and rotation are restricted, and the engaging protrusion 41 is engaged with the engaging hole 23K. If you leave 23K, it will be unlocked.

As shown in FIGS. 9A and 9B, while the lock member 40 is moving between the locked position and the unlocked position, the engagement protrusion 50 of the lock member 40 is engaged with the accommodation portion 35. The elastic engaging piece 49 (see FIG. 11A) is elastically deformed downward by coming into contact with the engaging portion 38B, and when the lock member 40 reaches the locked position or the unlocked position, the elastic engaging piece 49 is elastically restored. . Thereby, the lock member 40 is held at the locked position or the unlocked position.

The lock operation for moving the lock member 40 from the unlock position to the lock position is performed by moving the lock operation surface S1, which is the inner surface of the laterally opposed wall 45 facing the unlock position side of the inner surface of the housing portion 42, and the lock operation surface S1. This can be done by placing the thumb of one hand and the fingers of the other hand on and approaching the locking finger mounting surface T1, which is a wall surface located on the lock position side of the surface S1 and facing the opposite side of the lock operation surface S1. can. There are a plurality of wall surfaces in the container 10A that can serve as the locking finger hanging surface T1. is provided.

Specifically, as shown in FIG. 13, the container 10A has a wall surface facing the opposite side of the lock operation surface S1 on the lock position side of the lock operation surface S1. A first vertical rib 90A projecting in the second horizontal direction H2 and extending in the vertical direction, and a second vertical rib 90B facing the first vertical rib 90A from the side away from the lock operation surface S1 are provided. there is A surface of the second vertical rib 90B facing away from the locking operation surface S1 serves as a locking finger rest surface T1.

In addition, in order to secure a space on the side of the locking finger hooking surface T1 for easy insertion of a finger, a gap between the second vertical rib 90B and the third vertical rib 90C on the side away from the locking operation surface S1 is provided. A space having substantially the same vertical width as that of the wide portion 35X of the housing portion 35 and having no horizontal ribs is formed therein. The third vertical rib 90C protrudes in the diagonal direction of the container 10A from the corner between the first upper wall 21 and the upper side projecting wall 23. As shown in FIG.

Furthermore, in consideration of putting a finger on the locking finger-putting surface T1, the second vertical rib 90B having the locking finger-putting surface T1 has a corrugated shape similar to the laterally opposed wall 45 having the locking operation surface S1. is curved. The locking finger hooking surface T1 is also provided with a central recessed portion 60C and a pair of end recessed portions 60E in the same manner as the lock operation surface S1. The center recess 60C of the locking finger rest surface T1 is located at the same height as the center recess 45C of the lock operation surface S1 in the vertical direction, and is vertically wider than the center recess 45C of the lock operation surface S1.

Further, the unlocking operation of moving the lock member 40 from the locked position to the unlocked position is performed by the unlocking operation surface S2, which is the inner surface of the laterally facing wall 46 facing the lock position side among the inner surfaces of the housing portion 42, The thumb of one hand and the fingers of the other hands are placed on the unlocking finger hooking surface T2, which is a wall surface located on the unlocking position side of the unlocking operation surface S2 and facing the opposite side of the unlocking operation surface S2. This can be done by moving the Further, since the wall surface of the fourth protruding wall 39D of the housing portion 35 is located at a position where a general adult can easily exert force on the unlocking operation surface S2, the fourth protruding wall 39D can be unlocked. The surface facing away from the operation surface S2 is the unlocking finger hook surface T2.

In addition, in order to secure a space on the side of the unlocking finger hooking surface T2 for easy insertion of a finger, the fourth projecting wall 39D and the second upper wall 31 facing from the opposite side to the unlocking operation surface S2 are formed. Between the vertical ribs 90D, the horizontal ribs are lowered within the range of substantially the same vertical width as the narrow portion 35Y of the accommodation portion 35 to form a space into which a finger can be easily inserted. Further, as described above, the fourth projecting wall 39D is provided with the curved portion 39G in the center in the vertical direction, and the concave portion of the unlocking finger hook surface T2 formed by the curved portion 39G serves as the central concave portion 39H. The central recessed portion 39H is positioned at the same height as the central recessed portion 46C of the unlocking operation surface S2 in the vertical direction and has substantially the same vertical width.

The description about the structure of 10 A of containers of this embodiment is above. As described above, in the container 10A of the present embodiment, the locking operation can be performed by bringing the thumb and other fingers of one hand closer to the locking operation surface S1 and the locking finger placing surface T1. Similarly, the unlocking operation can be performed by bringing the thumb of one hand and the other fingers close to the unlocking operation surface S2 and the unlocking finger placing surface T2. Here, central recesses 45C, 60C and end recesses 45E, 60E as "finger contact recesses" curved to approach each other are formed on the lock operation surface S1 and the lock finger rest surface T1. The fingertips fit in them and the fingers are prevented from slipping. In addition, central recesses 46C and 39H and end recesses 46E as "finger rest recesses" are also formed on the unlocking operation surface S2 and the unlocking finger rest surface T2. be As a result, the container 10A of the present disclosure can be easily locked and unlocked with one hand. Further, since the lock operation surface S1, the unlock operation surface S2, and the lock finger placing surface T1 are wave-shaped, a plurality of finger rest recesses, which are a plurality of wave-shaped valleys, are formed to allow a plurality of fingers to be placed. Locking and unlocking operations can be performed by contacting the finger rest recess, and these operations are stabilized. Further, the elastic engaging piece 49 and the engaging protrusion 41 are moved from the operating portion (housing portion 42) having the locking operation surface S1 and the unlocking operation surface S2 of the lock member 40 to the opposite sides in the sliding direction. Since the lock member 40 is protruding, the inclination due to receiving the operation force of the lock member 40 is suppressed, and the slide operation of the lock member 40 is stabilized.

Here, the locking operation surface S1 and the unlocking operation surface S2 may be provided so as to be back-to-back on the projecting wall provided in the locking member 40, but as in the container 10A of this embodiment, the locking member 40 If it is arranged opposite to the inside of the housing part 42 (corresponding to the "finger insertion recess" of the present disclosure) provided in the housing part 42, both the locking operation and the unlocking operation can be performed by placing the finger in the common space of the space inside the housing part 42. Since it can be inserted, space can be effectively used.

In addition, since the central recesses 39H, 45C, 46C, and 60C are aligned on a common straight line parallel to the sliding direction of the lock member 40, it is possible to easily switch between locking and unlocking operations.

[Other embodiments]
(1) In the above-described embodiment, the container 10A is illustrated as an example of the carrier according to the present disclosure, but the carrier according to the present disclosure is not limited to a container. It may be a trolley, pallet, or the like.

(2) The locking member 40 of the above embodiment fixes the second instrument component (second upper wall 31) to the first instrument component (first upper wall 21) so as not to rotate. However, the locking member may be one that fixes the second instrument component against the first instrument component so that it does not slide or separates from the first instrument component. Specifically, for example, a container body and a lid detachable from the container body may be used as first and second instrument component parts, and a lock member may be provided for locking between them. A main body and a locking member that slides relative to the truck body to secure the caster may be the first and second implement components, and a locking member may be provided for locking therebetween.

(3) In the above-described embodiment, the first upper wall 21, which is an instrument component separate from the second upper wall 31 to which the locking member 40 is attached, is provided with the locking finger-hanging surface T1. The upper wall 31 may be provided with a locking finger hook surface T1.

(4) In the above-described embodiment, the lock operation surface S1 and the unlock operation surface S2 are provided so as to face each other. These two surfaces may be the locking operation surface S1 and the unlocking operation surface S2, and one or more finger rest recesses may be provided on them.

(5) In the above-described embodiments, the central recesses 39H, 45C, 46C, 60C (finger rest recesses) and the end recesses 45E, 46E, 60E (finger rest recesses) are parallel to the sliding direction of the lock member 40. Although they are arranged on a common straight line, one or both of them may be arranged with a vertical shift.

(6) The central recessed portions 39H, 45C, 46C, 60C and the end recessed portions 45E, 46E, 60E, etc. of the above-described embodiments are groove-shaped recesses for finger rests. good. Such a shape enhances the anti-slip effect.

(7) In the above-described embodiment, the locking operation surface S1 and the locking finger-putting surface T1, and the unlocking operation surface S2 and the unlocking finger-putting surface T2 are provided with respective finger rest recesses. The finger rest recess may be provided only on the locking finger rest surface T1, or the finger rest recess may be provided only in the unlock operation surface S2 and the unlock finger rest surface T2. Only the locking operation surface S2, or only the locking finger-putting surface T1 and the unlocking finger-putting surface T2 may be provided with finger rest recesses.

Although specific examples of the technology included in the claims are disclosed in the specification and drawings, the technology described in the claims is not limited to these specific examples. Various modifications and changes of the examples are included, and a part of specific examples is also included.

10A container 21 first upper wall (first instrument component, side wall)
31 second upper wall (first instrument component, side wall, movable wall)
39H, 45C, 46C, 60C central recess (finger rest recess)
40 lock member 42 housing (finger insertion recess)
45E, 46E, 60E end recess (finger rest recess)
S1 Lock operation surface S2 Unlock operation surface T1 Finger hook surface for locking T2 Finger hook surface for unlocking

Claims (7)

A lock member is slidably supported by the second instrument component of the first and second instrument components constituting part or the whole of the carrier instrument, and the lock member is positioned at one end of the slidable range. When moved to the locking position on the side, the relative movement or relative rotation of the first and second instrument components is restricted, and the locking member is moved to the unlocking position on the other end side of the slidable range. and a carrier for which the regulation is lifted,
a lock operation surface provided on the lock member and facing the unlock position;
a locking finger hook surface provided on the first or second instrument component, disposed closer to the lock position than the lock operation surface, and facing away from the lock operation surface;
The lock member can be slid to the lock position by placing the thumb and other fingers of one hand on and near the lock operation surface and the lock finger hook surface. ,
The carrying device, wherein the locking operation surface and the locking finger-holding surface are curved so as to approach each other and are formed with finger rest recesses capable of receiving a fingertip. an unlocking operation surface provided on the lock member and facing the lock position;
an unlocking finger hook surface provided on the first or second instrument component, disposed closer to the unlocking position than the unlocking operation surface, and facing away from the unlocking operation surface;
The lock member can be slid to the unlock position by placing the thumb and other fingers of one hand on the unlocking operation surface and the unlocking finger hook surface. and
2. The carrying device according to claim 1, wherein the unlocking operation surface and the unlocking finger rest surface are curved to approach each other and formed with finger rest recesses capable of receiving a fingertip. The lock member is formed with a finger-insertion recess into which a fingertip can be inserted,
3. The carrying device according to claim 2, wherein a pair of opposing inner surfaces of said finger-insertion recess serve as said locking operation surface and said unlocking operation surface. 4. The carrying device according to claim 3, wherein the finger contact recesses of the locking operation surface and the finger contact recesses of the unlocking operation surface are aligned in the sliding direction of the lock member. The lock operation surface and the unlock operation surface are arranged to face each other,
an engaging protrusion projecting in a cantilever shape from a wall portion of the lock member having the lock operation surface in a sliding direction of the lock member opposite to the lock operation surface;
an engagement hole provided in the first tool component, with which the engagement protrusion engages when the lock member is arranged at the lock position;
an elastic engaging piece projecting like a cantilever from a wall portion of the lock member having the unlocking operation surface in the sliding direction on the side opposite to the unlocking operation surface;
an engaging portion provided in the second instrument component, wherein the locking member interferes with the elastic engaging piece at a position other than the locking position and the unlocking position to deflect the elastic engaging piece; 5. A delivery device as claimed in any one of claims 2 to 4 comprising. The locking operation surface, the unlocking operation surface, the locking finger hooking surface, or the unlocking finger hooking surface is perpendicular to the sliding direction of the lock member and parallel to the outer surfaces of the first and second tool components. 6. The finger contact recess according to any one of claims 2 to 5, wherein a wavy shape in which peaks and troughs are alternately arranged in a direction is formed, and a plurality of troughs included in the wavy shape serve as the finger rest recesses. transport equipment. A part of the side wall forms a movable wall that can be rotated or slid, and the movable wall and the adjacent side wall are provided as one and the other of the first and second instrument components, and the locking member 7. A carrier device as claimed in any one of claims 1 to 6, wherein the movable wall is a container that is locked or unlocked by means of.

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