JP4713208B2 - Wiring duct device for desk corner legs - Google Patents

Description

  The present invention relates to a wiring duct for a corner leg of a desk, in which a top plate support member having a top plate support portion is fixed to the upper end of a leg, and the top plate is placed and fixed on the top plate support portion. Relates to the device.

Some conventional desk legs are provided with a vertical wiring duct device for accommodating wiring of lighting equipment, electronic devices, and the like placed on the desk (see, for example, Patent Documents 1 to 3). .
JP 2000-279233 A JP 2003-135165 A JP 2004-89461 A

  However, in the conventional wiring duct device for a desk leg as described above, the wiring drawn laterally from the upper end of the wiring cover is exposed to the outside and becomes unsightly, or the wiring is rubbed against the upper edge of the wiring cover. There is a risk of injury or disconnection.

  In view of the above-mentioned problems of the prior art, the present invention can easily perform wiring work at the corner portion from the vertical wiring space to the horizontal wiring space, and there is no risk of damaging the wiring. It is an object of the present invention to provide a wiring duct device for a corner leg of a desk that can accommodate wiring in a style.

According to the present invention, the above problem is solved as follows.
(1) A top plate support member having a top plate support portion protruding laterally from the upper end of the base portion is fixed to the upper end of the leg, and the top plate is placed and fixed on the top plate support portion. A wiring duct device for a corner leg of a desk, wherein a pair of downward guide pieces and a lateral guide which are spaced apart from each other in parallel with a lower surface of a top plate support portion and a side surface of a base portion connected to the lower surface of the top plate support member. A vertical wiring path that forms a horizontal wiring path along the lower surface of the top plate support portion and a vertical wiring path that communicates therewith, and a lower end portion of the horizontal guide piece is formed on a side surface of the leg body. A wiring receiving piece that fits into the upper end opening of the wiring cover that covers the space and faces inward is provided at the lower end edge of the pair of downward guide pieces.

(2) In the above item (1) , an upright piece is provided on the inner edge of the wiring receiving piece.

(3) A top plate support member having a top plate support portion protruding laterally from the upper end of the base portion is fixed to the upper end of the leg, and the top plate is placed and fixed on the top plate support portion. A wiring duct device for a corner leg of a desk, wherein a pair of downward guide pieces and a lateral guide which are spaced apart from each other in parallel with a lower surface of a top plate support portion and a side surface of a base portion connected to the lower surface of the top plate support member. A vertical wiring path that forms a horizontal wiring path along the lower surface of the top plate support portion and a vertical wiring path that communicates therewith, and a lower end portion of the horizontal guide piece is formed on a side surface of the leg body. A closing piece that fits into the upper end opening of the wiring cover covering the space and projects upward at the upper end of the wiring cover and closes the opening between the free end edges of the pair of lateral guide pieces is connected.

(4) A top plate support member having a top plate support portion protruding laterally from the upper end of the base portion is fixed to the upper end of the leg, and the top plate is placed and fixed on the top plate support portion. A wiring duct device for a corner leg of a desk, wherein a pair of downward guide pieces and a lateral guide which are spaced apart from each other in parallel with a lower surface of a top plate support portion and a side surface of a base portion connected to the lower surface of the top plate support member. A vertical wiring path that forms a horizontal wiring path along the lower surface of the top plate support portion and a vertical wiring path that communicates therewith, and a lower end portion of the horizontal guide piece is formed on a side surface of the leg body. The top of the wiring cover that covers the space is fitted into the upper end opening, and the base of the top support member is provided with a pair of connecting parts for connecting the legs, and the top support is connected. Arranged so that it is sandwiched between a pair of reeds It is opened to the interposed transverse rod space.

According to the present invention, the following effects can be achieved.
According to the present invention 請 Motomeko 1, 3 and 4, the both side portions of the wiring drawn upward from the vertical wiring space formed on the side surface of the leg, sandwiched by the lateral guide pieces and down guide piece pair In the state, the vertical wiring passage and the horizontal wiring passage are passed through and can be guided to the horizontal wiring space in other horizontal wiring ducts provided below the top plate, and the lower end portion of the horizontal guide piece is Since the wiring cover is fitted in the upper end opening of the wiring cover that covers the vertical wiring space formed on the side surface of the leg body, there is no possibility that the wiring is rubbed and damaged by the upper edge portions of the wiring cover.
In addition, since the gap between the free ends of the pair of lateral guide pieces and the lower end of the downward guide piece is open, the wiring is removed from the vertical wiring space and the horizontal wiring passage and the horizontal direction by removing the wiring cover. Since wiring can be easily performed continuously from the outside in the wiring passage, wiring work can be easily performed.

According to the present invention 請 Motomeko 1, wherein the lower edge of the pair of downward guide piece, so is provided with a wire receiving piece facing inwardly to each other, by engaging the wires in the wiring receiving piece, the wire It is possible to prevent sagging.

According to the present invention 請 Motomeko 2, wherein the inner edge of the wire receiving piece, so is provided with a standing piece, locked wiring in the wiring receiving piece is, from the opening between the lower ends of the pair of downward guide piece , Falling out is prevented.

Occlusion According to the present invention 請 Motomeko 3 wherein, by mounting the wire cover to the leg openings between the free end edges of the pair of lateral guide piece, the closure piece provided continuously to the upper end of the wire cover Therefore, it is possible to prevent the wiring from dropping out and exposing from the opening, and opening the opening between the free end edges of the pair of lateral guide pieces by removing the wiring cover from the leg. This makes wiring work easier.
it can.

According to the present invention 請 Motomeko 4, wherein the guide portion of the wiring, the located within space between the horizontal rod of the pair, the horizontal mounting angle of the transverse rod of the pair with respect to stage support member Even if the wiring is changed, the wiring angle is not affected, and the mounting angle of the pair of reeds can be freely changed.
In addition, since the downward guide piece and the lateral guide piece provided below the top plate support part are located inside the pair of horizontal fences and the sides are concealed by both horizontal fences, the downward guide piece and the horizontal guide piece The piece is not exposed to the side and the appearance is good.

Embodiments of the present invention will be described with reference to the accompanying drawings.
FIG. 1 is an exploded perspective view of a corner desk (A) provided with the first embodiment of the present invention and having a corner angle of 90 degrees. FIG. 2 is a corner desk having a corner angle of 120 degrees. It is a disassembled perspective view of B).

The desk (A) shown in FIG. 1 and the desk (B) shown in FIG. 2 are the same except for the top plate (a) and (b).
In other words, both desks (A) and (B) have a pair of left and right sides that form a U-shaped front-facing U-shape arranged on both sides of the rear upper end of a corner leg (1) disposed in the center. The rear upper ends of the legs (2) and (2) are connected to each other with horizontal reeds (3) and (3), and a top plate is placed on them and fixed.

  On the desk (A), the left and right recumbent feet (3) and (3) are at 90 degrees to each other on the leg (1), and on the desk (B), the left and right recumbent feet (3) (3) are fixed to the legs (1) so as to form 120 degrees with each other on the legs (1).

  Next, the leg structure of the corner portion of the desk will be described in detail with reference to FIGS. In the following description, the angle formed by the left and right horizontal rods (3) and (3) is 90 degrees, and the angle other than that is indicated by an imaginary line in the drawing as necessary.

As shown in FIGS. 3 to 5, the leg body (1) is formed in a hollow rectangular tube that is long in the front-rear direction, and is provided with an adjuster (4) for height adjustment at the lower end.
On the front end surface of the leg (1), a wiring guide (5) for wiring sorting having a T-shape in plan view is provided in the center over substantially the entire length in the vertical direction, and a vertically long engagement hole (6 ) Are provided at the four corners of the top, bottom, left and right.

At the front end of the leg (1), a wiring cover (7) having a backward U-shape in plan view that opens rearward is provided with a downward engaging piece (8) provided at the four corners of the rear end. The wiring guide (5) is mounted so as to be wrapped by being locked in the joint hole (6).
The wiring cover (7) is formed slightly longer than the leg (1), and the upper end of the wiring cover (7) protrudes slightly above the upper end of the leg (1).
A vertical wiring space (9) is formed by the wiring cover (7) and the wiring guide (5).

A bottomed insertion hole (10) is provided in the front half of the upper end of the leg (1).
At the upper end of the leg (1), there is provided a top plate support member (11) for connecting with the left and right horizontal rods (3) (3).
The top plate support member (11) is composed of a base (12), a downwardly-inserted insertion portion (13) provided at the lower end thereof, and a horizontal hook receiving piece projecting horizontally on both sides from the rear lower portion of the base (12). (14) (14) and a top plate support that projects horizontally from the upper end of the front portion of the base portion (12) to form a right triangle in plan view and is fixed to the lower surface of the top plate (a) or (b) Part (15).

  As shown in FIGS. 4 and 7, the top plate support member (11) has its insertion portion (13) fitted into the insertion hole (10) of the leg (1) and two bolts (16 ) (16) and is firmly fixed to the upper end of the leg (1).

As shown in FIG. 10, a pair of downward guide pieces that are parallel to each other and spaced apart from the lower surface of the top plate support portion (15) of the top plate support member (11) and the front surface of the base portion (12) connected thereto. (17) (17) and lateral guide pieces (18) (18) are provided, by which the horizontal wiring path (19) along the lower surface of the top plate support section (15) and the vertical wiring communicating therewith A passage (20) is formed.
The lower end of the lateral guide pieces (18) and (18) are fitted into the upper end opening of the wiring cover (7) covering the vertical wiring space (9), which is attached to the front end of the leg (1). The lower part of the passage (20) is covered with the upper end of the wiring cover (7).

A pair of downward-facing guide pieces (17) and (17) are provided with wiring receiving pieces (21) and (21) facing inward at the front lower edges of the wirings, whereby the wiring passing through the horizontal wiring passage (19) is provided. (22) does not fall.
In addition, a notch (23 for enabling the wiring (22) to be drawn upward is provided at the center of the front edge of the top plate support (15) provided with the pair of downward guide pieces (17, 17). ) Is provided.

As shown in FIG. 3, FIG. 8, and FIG. 9, a cylindrical body (24) protrudes upward at the center of the upper surface of each recumbent piece (14) in the top plate support member (11). A screw hole (25) is provided in the center of the upper surface of the cylindrical body (24).
In this example, the cylindrical body (24) has a tapered shape that gradually decreases in diameter toward the upper side, but may have a right cylindrical shape.

Each horizontal rod (3) is fixed with two fixing screws (29) and (29) by fitting the insertion portion (28) of the end member (27) to each end portion of the square tube (26). It's more of a thing.
The bottom surface of the end member (27) has a concave hole (30) complementary to the cylindrical body (24), and the top surface of the end member (27) has a concave hole vertically symmetrical with the concave hole (30). (31), and an intermediate portion of the end member (27) is provided with a screw insertion hole (32) having a smaller diameter than the upper and lower concave holes (31) and (30) in a concentric manner. .

  On the outer periphery of the concave hole (31) on the upper surface of the end member (27), a plurality of radial ridges (33) and concave ridges (34) centering on the concave hole (31) are alternately and circumferentially arranged. A crown gear-shaped concavo-convex portion (35) provided at equal intervals in the direction is provided.

  On the upper surface of the base portion (12) of the top plate support member (11), a lid plate (36) forming a right triangle in plan view, the right angle corner portion is located at the front center, and at the other corner portion, the top plate It is mounted so as to cover the end members (27), (27) of the left and right horizontal cages (3), (3) connected to the support member (11).

  As shown in FIG. 7, a stepped hole (37) facing in the vertical direction is provided in the center of the cover plate (36) with the upper part having a large diameter hole (37a) and the lower part having a small diameter hole (37b). An intermediate shaft portion (38a) longer than the small diameter hole (37b) of the stepped screw (38) is fitted into the small diameter hole (37b) of the stepped hole (37), and the large diameter hole (37a) is fitted. The stepped screw (38) is connected to the upper end of the intermediate shaft portion (38a), is fitted with an enlarged head (38b) having a larger diameter than the small diameter hole (37b), and the stepped screw (38). The cover plate (36) has a large diameter by screwing the male screw portion (38c) connected to the lower end of the intermediate shaft portion (38a) to the upper surface of the base portion (12) of the top plate support member (11). It is mounted on the upper end of the base portion (12) so as to be movable up and down by a gap (s) formed between the bottom surface of the hole (37a) and the lower surface of the enlarged diameter head portion (38b).

  The length of the intermediate shaft portion (38a) is larger than the sum of the length of the small-diameter hole (37b) and the height of the ridge (33) of the concavo-convex portion (35) or the depth of the ridge (34). Since the length of (37b) and the depth of the recessed hole (31) are less than the sum, the range in which the lid plate (36) can be moved up and down, that is, the gap (s) is the height of the ridge (33) or the recessed portion. It is larger than the depth of the strip (34) and smaller than the depth of the concave hole (31).

  As shown in FIGS. 8 and 9, a concave body (31) and a cylindrical body (39) that complements the concave hole (31) project downward from the lower surfaces of the corners on both sides of the rear portion of the lid plate (36). In the center of the cylindrical body (39), a screw insertion hole (40) having an enlarged diameter step hole (40a) is provided at the upper end portion opened on the upper surface of the lid plate (36).

Further, on the outer periphery of each cylindrical body (39) on the lower surface of the lid plate (36), a crown gear-shaped uneven portion (41) centering on the cylindrical body (39) is provided. The concavo-convex portion (41) is the same as or paired with the concavo-convex portion (35), and a plurality of radial ridges (42) and ridges (43) centered on the cylindrical body (39) are alternately arranged. And each ridge (42) protrudes from the ridge (34) of the concavo-convex portion (35), and each ridge (43) protrudes from the concavo-convex portion (35). Each of the strips (33) can be fitted.
The cross-sectional shape of each ridge (33) (42) is a mountain shape, and the cross-sectional shape of the ridge (34) (43) is a V-groove shape.

  Each recumbent (3) has a concave hole (30) on the lower surface fitted into the cylindrical body (24) from above, and the end member (27) faces the desired direction of the top plate support member (11). A cylindrical body (39) placed on the recumbent receiving piece (14) and provided on the lower surface of the cover plate (36) covering the upper side of the end member (27) is fitted into the recessed hole (31). Engage the concave and convex portion (41) on the lid plate (36) side with the concave and convex portion (35) on the upper surface of the end member (27), and attach the mounting screw (44) facing up and down to the enlarged head at the upper end. (44a) is fitted into the enlarged diameter stepped hole (40a), and the shaft portion (44b) continuously provided below the enlarged diameter head (44a) is connected to the screw insertion hole (40) of the cover plate (36). And the male screw portion (44c) that is sequentially inserted into the screw insertion hole (32) of the end member (27) and provided at the lower end portion of the shaft portion (44b), and the screw hole (25 of the top plate support member (11)). The mounting screws (44) are firmly connected to the top plate support member (11) without tilting sideways.

When it is desired to change the mounting angle of each horizontal rod (3) with respect to the top plate support member (11), both mounting screws (36) are moved to the extent that the lid plate (36) can move upward by the gap (s). 44) Loosen (44), and rotate each horizontal rod (3) around the mounting screw (44) to a desired angle.
Due to the rotation of the horizontal bar (3), the ridges (33) and (42) formed into the ridges of the concavo-convex portions (35) and (41) engaged with each other are formed into V-groove ridges (34) ( 43) and slides along the inclined surface of the ridge (33) (36) every time the horizontal ridge (3) rotates by one pitch of the ridge (33) (42). It can be moved up and down by the height of 42).

Therefore, it is possible to smoothly rotate each horizontal bar (3) along the upper surface of the horizontal bar receiving piece (14) without lifting the lid (36) in advance.
The pitch of the ridges (33) and (42) and the number thereof are based on the desired angle of attachment of each horizontal bar (3) to the top plate support member (11), for example 45 °, 60 °, 70 °, 90 °, It is preferable to define 5 ° or 10 ° pitch and 72 or 36.
By increasing the number of grooves (34) and (43) that engage with the protrusions (33) and (42), the angle pitch for mounting the horizontal rod (3) can be made finer, and the horizontal rod (3) The mountable angle can be made stepless.

  Further, as shown in FIG. 6, the side of the leg (1) is placed on the opposite side of the reed (3) and the cover plate (36) (or top plate support member (11) or leg (1)). If a scale (45) indicating the mounting angle of the hook (3) is attached, the horizontal hook (3) can be quickly fixed to a desired mounting angle with reference to the scale (45).

  After turning each horizontal rod (3) to the desired angle position with respect to the top plate support member (11), retighten both mounting screws (44) and (44) to fix the lid plate (36) and mounting The mounting angle of each horizontal bar (3) can be easily changed without completely removing the screw (44) and further the horizontal bar (3) itself.

  The height of the lid plate (36) can be moved up and down between the upper and lower surfaces of the end member (27) and the lower surface of the lid plate (36) and the upper surface of the top plate support member (11). Since the cylindrical body (39) (24) larger than the range and the recessed holes (31) (30) fitted to the cylindrical body (39) (24) are provided, Are guided by sliding between the outer peripheral surface of the inner surface and the inner surfaces of the concave holes (31), (30), and the horizontal rod (3) can be smoothly rotated without the center of rotation being deviated.

  The present invention relates to a desk corner leg wiring duct device of the above-described configuration, and as described above, the bottom surface of the top plate support portion (15) in the top plate support member (11) and the base ( 12) is provided with a pair of downward guide pieces (17), (17) and lateral guide pieces (18), (18) which are spaced apart from each other in parallel to each other. A vertical wiring path (19) along the lower surface and a vertical wiring path (20) communicating therewith are formed, and the lower ends of the horizontal guide pieces (18) and (18) are formed on the side surface of the leg (1). The wiring cover (7) covering the space (9) is fitted in the upper end opening.

  With such a configuration, both side portions of the wiring (22) drawn upward from the vertical wiring space (9) formed on the side surface of the leg (1) are connected to a pair of lateral guide pieces (18) ( 18) and the downward guide pieces (17) and (17) sandwiched between the vertical wiring passage (20) and the horizontal wiring passage (19) and below the top plate (a) or (b). It can be guided to the horizontal wiring space in other provided horizontal wiring ducts (not shown) and the like, and the lower ends of the horizontal guide pieces (18) and (18) are formed on the side surfaces of the legs (1). Since it is fitted in the upper end opening of the wiring cover (7) covering the wiring space (9), the wiring (22) is rubbed against the upper edge of the wiring cover (7) and is damaged or disconnected. There is no fear.

  Since the gap between the free ends of the pair of lateral guide pieces (18) and (18) and the lower end of the downward guide pieces (17) and (17) are open, the leg cover (1) to the wiring cover (7 ), The wiring (22) can be easily routed continuously from the outside to the vertical wiring path (20) and the horizontal wiring path (19) from the vertical wiring space (9). Work can be done easily.

In addition, it has the following features and operational effects.
(1) Since the wiring receiving pieces (21) and (21) facing inward are provided at the lower end edges of the pair of downward guide pieces (17) and (17), the wiring receiving pieces (21) and (21) By locking the wiring (22) to the wiring (22), it is possible to prevent the wiring (22) from drooping.

(2) The base part (12) of the top plate support member (11) is provided with a pair of connecting parts (3) and (3) for connecting the leg (1) and other side legs (2) etc. At the same time, the top plate support portion (15) is arranged so as to be sandwiched between the pair of connected reeds (3) and (3), and the horizontal wiring passageway (19) is formed as a pair of reeds (3) Since it opens to the space between (3), even if the horizontal mounting angle of the pair of horizontal rods (3) and (3) with respect to the top plate support member (11) is changed, the wiring ( The installation angle of 22) is not affected, and the mounting angle of the pair of reeds (3) and (3) can be freely changed.
In addition, downward guide pieces (17) and (17) and lateral guide pieces (18) and (18) provided below the top plate support section (15) are located inside the pair of horizontal ridges (3) and (3). Because the sides are concealed by both sides (3) and (3), the downward guide pieces (17) and (17) and the side guide pieces (18) and (18) are not exposed to the sides. Appearance is good.

FIG. 11 shows a second embodiment of the present invention. Note that the same members as those in the first embodiment are denoted by the same reference numerals and are not shown in the figure, and description thereof is omitted (the same applies to the third and subsequent embodiments).
In this example, standing pieces (46) and (46) are provided on the inner end edges of the left and right wiring receiving pieces (21) and (21).
With such a configuration, the wiring (22) locked to the wiring receiving pieces (21) and (21) falls downward from the opening between the lower ends of the pair of downward guide pieces (17) and (17). Is prevented.

FIG. 12 shows a third embodiment of the present invention.
In this example, inwardly facing pieces (47), (47) facing inward from each other at the lower end edge of the pair of downward guide pieces (17), (17) and the front end edge of the lateral guide pieces (18, 18). (48) and (48) are provided, and standing pieces (49) and (49) are provided on the inner edge of the inward pieces (47) and (47) on the side of the downward guide pieces (17) and (17). (18) Backward pieces (50) and (50) are provided on the inner end edges of the inwardly facing pieces (48) and (48) on the (18) side.

With this configuration, as in the second embodiment, the wiring (22) in the downward guide pieces (17) and (17) is not only prevented from dropping downward, but also the lateral guide. The wiring (22) between the pieces (18) and (18) is prevented from projecting forward from the opening between the front end edges of the lateral guide pieces (18) and (18), so that it can have a beautiful appearance. .
Further, when the wiring (22) in the lateral guide pieces (18) and (18) hits the inward pieces (48) and (48), the wiring (22) comes into contact with the upper edge of the wiring cover (7), and Rubbing is prevented.

FIG. 13 shows a fourth embodiment of the present invention.
In this example, between the lower end edges of the pair of downward guide pieces (17) and (17) and between the free end edges of the pair of lateral guide pieces (18) and (18) (only one of them may be provided). The closing pieces (51) and (52) for closing the openings are provided.

  With such a configuration, the closing pieces (51) and (52) allow the opening between the lower end edges of the pair of downward guide pieces (17) and (17) and the pair of lateral guide pieces (18) and (18). Both (or either one) of the openings between the free edges are completely closed, and the wiring (22) can be reliably prevented from dropping from the openings.

FIG. 14 shows a fifth embodiment of the present invention.
In this example, a closing piece (53) is provided continuously at the upper end of the wiring cover (7) and projects upward to close the opening between the free end edges of the pair of lateral guide pieces (18) and (18). It is.
With such a configuration, by attaching the wiring cover (7) to the leg (1), the opening between the free edges of the pair of lateral guide pieces (18) and (18) becomes the wiring cover (7). ) Is closed by the closing piece (53) provided continuously at the upper end of the wire (22), so that it is possible to reliably prevent the wiring (22) from dropping and exposing from the opening, and to attach the wiring cover (7) to the leg. By removing from (1), the opening between the free end edges of the pair of lateral guide pieces (18) and (18) can be opened, and wiring work becomes easier.

As mentioned above, although five embodiment of this invention was described, this invention can be implemented in forms other than the above in the range which does not deviate from a claim.
For example, the following modifications are possible.
(1) Only one of the plurality of reeds (3) is connected to the top plate support member (11) so that the mounting angle can be changed with the same configuration as described above, and the other is mounted with the other configuration. It is connected to the plate support member (11) so that the mounting angle can be changed, or is fixed.
(2) Fix the top plate (a) or (b) on the recumbent (3).

1 is an exploded perspective view of a corner desk provided with a first embodiment of the present invention and having a corner angle of 90 degrees. FIG. Similarly, it is an exploded perspective view of a corner desk with a corner angle of 120 degrees. It is a disassembled perspective view of the 1st Embodiment of this invention. Similarly, it is a disassembled perspective view of the state which attached a part. Similarly, it is a front view. Similarly, it is a plan view. It is an enlarged vertical side view along the VII-VII line of FIG. FIG. 7 is an enlarged longitudinal sectional view taken along line VIII-VIII in FIG. 6. It is a longitudinal cross-sectional view which decomposes | disassembles and shows a part of FIG. It is the perspective view seen from diagonally forward lower. It is a perspective view of the same part as FIG. 10 in the 2nd Embodiment of this invention. It is a perspective view of the part similar to FIG. 10 in the 3rd Embodiment of this invention. It is a perspective view of the part similar to FIG. 10 in the 4th Embodiment of this invention. It is a perspective view of the part similar to FIG. 10 in the 5th Embodiment of this invention.

(A) (B) Desk
(a) (b) Top plate
(s) Gap
(1) Leg
(2) Side legs
(3) Yokohama
(4) Adjuster
(5) Wiring guide
(6) Engagement hole
(7) Wiring cover
(8) Downward engagement piece
(9) Vertical wiring space
(10) Insertion hole
(11) Top plate support member
(12) Base
(13) Insertion section
(14) Recumbent piece
(15) Top plate support
(16) Bolt
(17) Downward guide piece
(18) Sideways guide piece
(19) Horizontal wiring passage
(20) Vertical wiring passage
(21) Wiring piece
(22) Wiring
(23) Notch
(24) Tube
(25) Screw hole
(26) Square tube
(27) End member
(28) Insertion section
(29) Fixing screw
(30) (31) Recessed hole
(32) Screw insertion hole
(33) Projections
(34) Concave
(35) Concavity and convexity
(36) Lid plate
(37) Stepped hole
(37a) Large diameter hole
(37b) Small diameter hole
(38) Stepped screw
(38a) Intermediate shaft
(38b) Expanded head
(38c) Male thread
(39) Tube
(40) Screw insertion hole
(40a) Expanded stepped hole
(41) Concavity and convexity
(42) Projections
(43) Recess
(44) Mounting screw
(44a) Expanded head
(44b) Shaft
(44c) Male thread
(45) Scale
(46) Standing piece
(47) (48) Inward facing piece
(49) Standing piece
(50) Retrospective piece
(51) (52) (53) Occlusion piece

Claims (4)

A desk corner formed by fixing a top plate support member having a top plate support portion protruding laterally from the upper end of the base to the upper end of the leg, and placing and fixing the top plate on the top plate support portion. A wiring duct device for legs,
By providing a pair of downward guide pieces and lateral guide pieces that are spaced apart from each other in parallel on the lower surface of the top plate support portion and the side surface of the base portion connected to the lower surface of the top plate support member, the lower surface of the top plate support portion And a lower end portion of the horizontal guide piece is fitted into an upper end opening of a wiring cover that covers the vertical wiring space formed on the side surface of the leg body. A wiring duct device for a corner leg of a desk, characterized in that wiring receiving pieces facing inward are provided at the lower end edges of a pair of downward guide pieces . The inner edge of the wire receiving piece, standing pieces claim 1 corner leg wiring duct system desk, wherein in that a. A desk corner formed by fixing a top plate support member having a top plate support portion protruding laterally from the upper end of the base to the upper end of the leg, and placing and fixing the top plate on the top plate support portion. A wiring duct device for legs,
By providing a pair of downward guide pieces and lateral guide pieces that are spaced apart from each other in parallel on the lower surface of the top plate support portion and the side surface of the base portion connected to the lower surface of the top plate support member, the lower surface of the top plate support portion And a lower end portion of the horizontal guide piece is fitted into an upper end opening of a wiring cover that covers the vertical wiring space formed on the side surface of the leg body. And a wiring duct device for a corner leg of a desk, characterized in that a closing piece that projects upward at the upper end of the wiring cover and closes an opening between the free end edges of a pair of laterally facing guide pieces is provided. . A desk corner formed by fixing a top plate support member having a top plate support portion protruding laterally from the upper end of the base to the upper end of the leg, and placing and fixing the top plate on the top plate support portion. A wiring duct device for legs,
By providing a pair of downward guide pieces and lateral guide pieces that are spaced apart from each other in parallel on the lower surface of the top plate support portion and the side surface of the base portion connected to the lower surface of the top plate support member, the lower surface of the top plate support portion And a lower end portion of the horizontal guide piece is fitted into an upper end opening of a wiring cover that covers the vertical wiring space formed on the side surface of the leg body. Furthermore, the base plate of the top plate support member is provided with a pair of recumbent connecting portions for connecting the legs, and the top plate support portion is disposed so as to be sandwiched between the connected pair of recumbent feet, In addition , a wiring duct device for a corner leg of a desk, wherein the horizontal wiring passage is opened in a space sandwiched between a pair of horizontal fences .

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