JP2005087423A - Desktop device serving also as modesty panel - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To allow a modesty panel to exist even in the case of using an elevating/lowering plate as a desktop by elevating the elevating/lowering plate. <P>SOLUTION: Between both side frames 4 and 5 fixed to the top plate 3 of a desk, the elevating/lowering plate 15 is provided so as to be elevated and lowered such that the upper part of the elevating/lowering plate 15 is projected above the upper ends of both side frames 4 and 5. Between a lower frame 6 connecting the lower end parts of both side frames 4 and 5 and the lower end part of the elevating/lowering plate 15, an end rail member 19 which can be extended and contracted in a vertical direction is provided by connecting the upper end side to the elevating/lowering plate 15 and connecting the lower end side to the part of the lower frame 6. A holding means 16 for holding the elevated and lowered position of the elevating/lowering plate 15 is provided. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

  The present invention relates to a desktop device for curtains, and more particularly, to a desktop device for curtains attached to the front side of the desk (the side opposite to the seating side).

2. Description of the Related Art Conventionally, there has been known that a curtain plate is provided on the front side of a desk top so as to shield a leg of a seated person from the front.
In addition, there is also known a desktop provided on the front side of a desk top so as to shield a seated person from being seen from the front.

  Further, it is also known that one panel is used as a curtain panel desktop, which is provided so as to be movable up and down, and that the panel is lowered by lowering the panel to be the desktop by raising.

  In the conventional one panel raising / lowering, if this panel is lowered to be a curtain, there is no desktop function, and if this panel is raised to be a desktop, the curtain is There is no function.

  The problem to be solved by the present invention is to provide a function of a curtain plate by lowering the panel so that the curtain plate is always present even when the panel is lifted and used as a desktop. It is an object of the present invention to provide a curtain plate / desktop device that can be used as a desktop and can also be used as a curtain plate.

  In order to solve the above-mentioned problem, the invention according to claim 1 is characterized in that an elevating plate is projected between both side frames fixed to a top plate of a desk, and an upper portion of the elevating plate protrudes above an upper end of both side frames. It is possible to move up and down, and a curtain plate member that can be expanded and contracted in the vertical direction is connected between the lower frame connecting the lower ends of the both side frames and the lower end of the lifting plate, and the upper end side is connected to the lifting plate. The lower end side is connected to the lower frame portion, and holding means for holding the lift position of the lift plate is further provided.

  According to a second aspect of the present invention, in the first aspect of the present invention, the curtain plate member is formed by a curtain that expands and contracts in the vertical direction.

  According to a third aspect of the present invention, the curtain plate member is formed of a bellows-like curtain.

  According to a fourth aspect of the present invention, in the first aspect of the present invention, a rotary shaft biased in a winding direction is provided on one of the elevating plate and the lower frame, and a curtain is wound around the rotary shaft. The curtain plate member is formed by fixing the outer end of the curtain to the other of the lifting plate and the lower frame.

  According to a fifth aspect of the present invention, in the first, second, third, or fourth aspect of the present invention, a stopper that can be projected and retracted from the side end face is provided on the lifting plate side by urging it in the protruding direction, and the side frame side Further, the holding means is configured by providing a locking portion for locking the stopper.

  With the both side frames in the present invention attached to the front side end of the top plate of the desk at the upper part, when the elevating plate is lowered to a state where the upper end portion is located near the upper surface of the top plate, the elevating plate and the curtain The lower part of the top plate is shielded by the plate member, and the function of the curtain plate is exhibited.

  Further, when the elevating plate is raised so that the upper part protrudes upward from the top plate, the elevating plate exhibits a desktop function, and the curtain plate provided between the lower end of the elevating plate and the lower frame The member expands and functions as a curtain. Therefore, it is possible to cope with a case where a desktop and a curtain are required.

  BEST MODE FOR CARRYING OUT THE INVENTION The best mode for carrying out the present invention will be described based on an embodiment shown in the drawings.

  FIG. 1 is a view in which a curtain plate combined desktop device 1 according to the present invention is attached to the front side of the desk 2 on the desk 2 (the side opposite to the seating side). FIG. 2 is a perspective view showing a state having a curtain and a desktop.

  FIG. 3 is a perspective view of the desktop device for a curtain plate according to the present invention, which has side frames 4 and 5 located on both sides, and the lower ends of the side frames 4 and 5 are connected by a lower frame 6. The upper ends of the side frames 4 and 5 are not connected to each other. Since both side frames 4 and 5 have the same structure, one side frame 4 will be described with reference to FIGS. 3 and 5 to 7.

  The length of the side frame 4 in the vertical direction is set to a predetermined length below the top plate 3, that is, a length that requires a curtain plate. Further, as shown in FIG. 7, the lateral cross-sectional shape of the side frame 4 is formed by front and rear walls 7 and 8 and a connecting wall 9 connecting the front and rear walls 7 and 8. On the inner side of the connecting wall 9, a chamber 10 having an inner side and an upper side is formed by the connecting wall 9 and the front and rear walls 7, 8. Outside the connecting wall 9, the connecting wall 9 and the front and rear walls 7, 8 are outside. A chamber 11 having an opening is formed.

  A stopper plate 12 fixed to the surface of the connecting wall 9 is provided in the chamber 10. The stopper plate 12 has a length that extends over substantially the entire length of the side frames 4, 5. Further, a locking portion 12a made of a lateral locking groove is formed on the inner side surface of the stopper plate 12, and the locking portion 12a has a desired interval in the vertical direction as shown in FIG. A plurality of Ds are formed.

  An attachment means 13 for attaching the side frames 4 and 5 to the front edge of the top plate 3 is fixed on the upper part of the rear wall 8 of the side frames 4 and 5. The attachment means 13 includes an attachment piece 13a fixed to the front wall 8 of both side frames 4 and 5, pieces 13b and 13c protruding above and below the attachment piece 13a, and a presser bolt 13d screwed to the lower piece 13c. And a handle 13e for rotating the presser bolt 13d, the top plate 3 is interposed between the upper piece 13b and the presser bolt 13d, the presser bolt 13d is tightened and rotated, and the top plate 3 is moved by the upper piece 13b and the presser bolt 13d. The both side frames 4 and 5 are attached to the top plate 3 by sandwiching them.

A cover 14 is attached to the upper ends of the side frames 4 and 5 so as not to hinder the lifting and lowering of a lifting plate 15 described later.
In the both side frames 4 and 5, the same parts as those described above are denoted by the same reference numerals, and the description thereof is omitted.

  A lifting plate 15 is provided between the side frames 4 and 5 so as to be lifted and lowered. The elevating plate 15 has a panel portion 15a, side edge frames 15b and 15c having a U-shaped cross section fitted to both ends of the panel portion 15a, and a U-shaped cross section fitted to the lower end of the panel portion 15a. And a lower edge frame 15e.

  The length of the elevating plate 15 in the left-right direction (the arrangement direction of the both side frames 4, 5) is set slightly shorter than the length between the stopper plates 12 provided on the both side frames 4, 5. The thickness of the side edge frame 15b is set slightly shorter than between the front and rear walls 7 and 8 of the both side frames 4 and 5, and the right and left end portions of the elevating plate 15 are in the chamber 10 of the both side frames 4 and 5. The elevating plate 15 can be moved up and down by being guided by the side frames 4 and 5.

The vertical length of the lifting plate 15 is set to be shorter than the vertical length of the side frames 4 and 5.
Holding means 16 are provided at both end portions of the lifting plate 15. The holding means 16 includes a stopper 16a made of a steel ball that partially protrudes and protrudes from a hole 15f formed on both side end surfaces of the elevating plate 15, more specifically, side walls of the side edge frames 15b and 15c, and the stopper 16a in the protruding direction. The biasing means 16b is composed of a coil spring that biases, and constantly biases a part of the stopper 16a so as to protrude from the end face of the elevating plate 15, and restricts the protruding position so that the stopper 16a does not fall off. It has become. The stopper 16a is disposed at the center in the thickness direction of the elevating plate 15, and is fitted and locked to the locking portion 12a of the stopper plate 12 provided on the both side frames 4 and 5 side.

  The holding means 16 is configured by embedding a nut 17 in an end portion of the panel 15a, and screwing a male threaded cylinder 18 having the stopper 16a and an urging means 16b therein.

Further, as shown in FIG. 4, two holding means 16 are arranged at the same interval as the vertical installation interval D of the locking portion 12a at the lower portion of the side end surface of the elevating plate 15.
Two holding means 16 may be provided on both sides of the lifting plate 15 as described above, but one or more holding devices 16 may be provided on one surface of the lifting plate 15.

  A curtain plate member 19 that can be expanded and contracted in the vertical direction is installed between the lower end of the elevating plate 15, more specifically, between the lower edge frame 15e and the lower frame 6, and the upper end thereof is fixed to the lower edge frame 15e. Is fixed to the lower frame 6. Further, both side portions of the curtain plate member 19 are loosely fitted in the chamber 10 of the both side frames 4 and 5, and both side portions are guided by the chamber 10 portion so as to expand and contract. The curtain plate member 19 is formed of a bellows-like curtain in the illustrated embodiment, but may be formed of an elastic material such as a rubber plate.

  When using the curtain plate / desktop apparatus of this embodiment, first, as shown in FIGS. 1 and 2, the attachment means 13 is attached to the front end of the top plate 3 of the desk 2, and the side frames 4, 5 are attached to the top. It is attached so as to hang down on the front side of the plate 3. The attachment position of the attachment means 13 to the side frames 4 and 5 may be set so that the upper ends of the side frames 4 and 5 do not protrude beyond the top surface of the top plate 3 in this attached state.

  In this mounted state, a curtain plate is required to prevent the seated person's feet from being seen from the front, but when a desktop is not necessary, the lift plate 15 is placed on the top surface of the elevator plate 15 as shown in FIG. Lower to a position close to the upper surface of the plate 3. Thereby, the elevating plate 15 and the curtain plate member 19 exhibit the function of a curtain plate that shields the seated person from being seen from the front.

  Next, when the curtain plate as described above is required and a desktop that shields the seated person's face from the front is required, the lifting plate 15 is manually raised as shown in FIG. Let When the lift plate 15 is raised, the stopper 16a of the holding means 16 is immersed in the lift plate 15 side against the biasing means 16b, and the lift of the lift plate 15 is not hindered. When the elevating plate 15 is raised to a position where the stopper 16a is fitted into the groove of the locking portion 12a located at the upper portion, the stopper 16a is fitted into the groove of the locking portion 12a by the biasing force of the biasing means 16b. The raising position of the elevating plate 15 is held by the urging force of the urging means 16b. Therefore, the raising / lowering plate 15 can be raised stepwise within the range of the formation interval D of the locking portion 12a and the position thereof can be maintained.

  By raising the elevating plate 15 as described above, the curtain plate member 19 is extended, and has a desktop function by the elevating plate 15 protruding from the upper surface of the top plate 3, and below the upper surface of the top plate 3. The raised / lowering plate 15 and the curtain plate member 19 are positioned to function as a curtain plate.

  Further, in order to lower the lift plate 15 from the raised state as shown in FIG. 1, the lift plate 15 is manually pushed downward to be lowered.

FIG. 8 shows a second embodiment.
The second embodiment is a modification of the holding means 16 in the first embodiment, and a leaf spring 21 is provided on the side end surface of the elevating plate 15 so as to be able to protrude and retract by its spring force, Instead of the stopper plate 12, a stopper plate 23 having holes 22 formed at appropriate intervals in the vertical direction is fixed, and the leaf spring 21 is fitted and locked to the hole 22 by its spring force. It is a thing. Other structures are the same as those in the first embodiment.

  Also in the second embodiment, the elevating plate 15 is moved up and down to a desired position, and the leaf spring 21 is locked in the hole 22, thereby holding the elevating plate 15 in the desired position. Similar actions and effects can be exhibited.

FIG. 9 shows a third embodiment.
The third embodiment is a modification of the curtain plate member 19 in the first embodiment, and a curtain 31 that can be bent is used as the curtain plate member 19, and the upper and lower plates of the curtain 31 are arranged at the upper end of the curtain 31. 15 is fixed to the lower end portion 15, that is, the lower edge frame 15 e, and the lower portion of the curtain 31 is wound around the winding mechanism 32 provided on the lower frame 6 in the first embodiment.

  The winding mechanism 32 is composed of a rotating shaft 33 provided on the lower frame 6 and a coil spring (not shown) that is urged to rotate the rotating shaft 33 in the winding direction. When the elevating plate 15 rises, the curtain entrained on the rotary shaft 33 is pulled out, and the elevating plate 15 can be raised and lowered, and between the elevating plate 15 and the lower frame 6. A curtain 31 is always present.

Other structures are the same as those in the first embodiment.
In the third embodiment, the same operations and effects as those in the first embodiment can be exhibited.

FIG. 10 shows a fourth embodiment.
In the fourth embodiment, instead of the holding means 16 in the first embodiment, the raising / lowering position of the raising / lowering plate 15 is firmly held and the raising / lowering plate 15 is held in a stepless position. is there.

  In the holding means 41, a window 42 is formed on the connecting wall 9 of the side frames 4 and 5 in the first embodiment, and a shaft 43 is provided between the front and rear walls 7 and 8 forming the chamber 11 of the side frames 4 and 5. The operating lever 44 is rotatably provided on the shaft 43, a cam portion 45 is formed on the head of the operating lever 44, and the lever portion 46 of the operating lever 44 is moved downward as shown in FIG. 45 is brought into pressure contact with the end face of the lift plate 15 through the window 42, more specifically, the end face of the side edge frame 15b, and the lever part 46 is rotated upward from the state shown in FIG. It is comprised so that it may space apart from an end surface.

  Further, the end face of the elevating plate 15, specifically, the end face of the side edge frame 15 b is formed as a smooth surface over the entire length in the vertical direction.

  Therefore, the elevating plate 15 can be moved up and down freely by moving the lever portions 46 of the operation levers 44 and 44 provided on the both side frames 4 and 5, and the elevating plate 15 is moved up and down to a desired position. By lowering the lever portions 46 of both the operating levers 44, 44, the lift plate 15 can be strongly clamped from both sides by the cam portions 45, 45 of the both operating levers 44, 44, and the position can be firmly held. Therefore, even if a person carelessly presses the upper surface of the lift plate 15 with an arm or the like while the lift plate 15 is raised, it is possible to prevent the lift plate 15 from inadvertently moving downward.

  The holding means 16 in the first embodiment and the holding means 41 in the fourth embodiment may be used in combination. Also, the sliding frictional resistance between the side frames 4, 5 and the lifting plate 15 is set so that the lifting plate 15 does not descend in the natural state but the lifting plate 15 can be lifted and lowered by manual force. It is good also as the holding means by the friction which does not provide.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view showing a first embodiment of the present invention, and is a view in which a curtain plate / desktop device of the present invention is attached to a top plate of a desk and a lift plate is lowered. The perspective view which raised the raising / lowering board from the state of FIG. The perspective view of the desktop device combined with a curtain of the present invention. The perspective view which shows the edge part of the raising / lowering board in FIG. FIG. 4 is an inner end view of a stopper plate provided on both side frames in FIG. 3. FIG. 4 is a partial front sectional view showing a lifting plate holding means in FIG. 3. AA line sectional view in FIG. The front sectional view of the holding means showing the second embodiment of the present invention. The sectional side view of the curtain board member which shows 3rd Example of this invention. The perspective view of the holding means which shows 4th Example of this invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Desktop device combined desktop device 2 Desk 3 Top plate 4, 5 Side frame 6 Lower frame 13 Side frame attachment means 16, 21, 41 Holding means 19, 31 Screen plate member

Claims (5)

  A lifting plate is provided between both side frames fixed to the top plate of the desk so that the upper part of the lifting plate can protrude upward from the upper ends of the both side frames, and the lower ends of the both side frames are connected. A curtain plate member that is vertically expandable and contractible between the lower frame and the lower end of the elevating plate, the upper end side of which is connected to the elevating plate, and the lower end side is connected to the lower frame portion, A curtain plate combined desktop apparatus, characterized in that a holding means for holding the lift position of the lift plate is provided.   2. The curtain plate desktop device according to claim 1, wherein the curtain plate member is formed of a curtain that expands and contracts in the vertical direction.   2. The curtain plate desktop device according to claim 1, wherein the curtain plate member is formed of a bellows-like curtain.   A rotating shaft biased in the winding direction is provided on one of the lifting plate and the lower frame, a curtain is wound around the rotating shaft, and the outer end of the curtain is fixed to either the lifting plate or the lower frame. The curtain plate combined desktop apparatus according to claim 1, wherein the curtain plate member is formed.   A stopper that can be projected and retracted from its side end face is provided on the elevating plate side by urging it in the protruding direction, and a locking portion that is locked by the stopper is provided on the side frame side to constitute the holding means. The curtain board combined desktop apparatus of 1 or 2 or 3 or 4.

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