JP3588957B2 - Top plate extendable table - Google Patents

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
TECHNICAL FIELD The present invention relates to a tabletop extending table capable of expanding a tabletop area.
[0002]
[Prior art]
Conventionally, attached by hinges auxiliary top plate to the side of the table, is usually, but are lowered along an auxiliary top plate to the side of the table, if necessary, which, as an axis of the hinge, the table surface and the same surface 2. Description of the Related Art A tabletop extendable table which is raised so as to be supported by a stay or the like is known.
Such a tabletop extension table is usually used in a small area state, and when you want to work spaciously or use it with a large number of people, you can use it with a large tabletop area, so space efficiency is improved. It has the advantage that it can be used for many purposes.
[0003]
[Problems to be solved by the invention]
However, in the above-described conventional structure, when the top plate is extended, the auxiliary top plate protrudes further to the side of the table by that amount, so that when a load is applied to the auxiliary top plate from above, the entire table tilts and falls. There was a risk and it was dangerous.
[0004]
The present invention has been made in view of the above-described problems, and can stably support a load applied to an auxiliary top plate even when the area of the top plate is enlarged, and has a simple structure and a simple structure. It is an object of the present invention to provide a table-top extendable table that can be extended by operation.
[0005]
[Means for Solving the Problems]
According to the present invention, the above-mentioned problem is solved as follows.
(1) A main tabletop with an auxiliary tabletop hinged to one side end, a position where only the main tabletop is supported on the support legs, with respect to a supporting leg, to a position in which both of the auxiliary top plate is supported on the support leg, movably mounted, one of the guide rails for guiding the guide roller with the roller supporting member and the guide rollers, the main top plate On the back side, the other is attached to the upper part of the support leg , and the relative movement between the roller support member and the guide rail causes the position where only the main top plate is supported on the support leg, Both the main top plate and the auxiliary top plate occupy the positions supported on the support legs, and guide rollers are provided at both ends of the roller support member. Only the main top plate supports the two guide rollers. A position supported on the body, at a position where both of the main top plate and the auxiliary top plate is supported on the support leg, Ru a recess for sinking.
[0006]
( 2 ) In the above item ( 1 ) , end pieces are provided at both ends of the guide rail to abut against and lock the ends of the roller support member.
[0007]
(3) In any of the above (1) or (2) of the support leg has a two beam members parallel extending in the lateral direction to constitute the top and is placed on the the lower surface of the main top plate, the contact with the side of the beam member, provided protrusions multiple for guiding movement of the main top panel.
[0008]
BEST MODE FOR CARRYING OUT THE INVENTION
1 (a) is a perspective view of a state in which an auxiliary top plate (4) is lowered, and FIG. 4) is a perspective view showing a state in which the top plate area is increased by raising the top.
[0009]
Reference numeral (1) indicates the entire top plate composed of the main top plate (3) and the auxiliary top plate (4), and reference numeral (2) is provided with four caster legs (5). 2 shows a supporting leg formed by connecting two left and right connecting beam members (5a) for connecting the legs (5) at the upper part in a rectangular shape by two beam members (7).
[0010]
2 (a) is a front view of FIG. 1 (a), from this state, causing the auxiliary top plate (4) as indicated by the arrow, as shown in FIG. (B), the top plate ( 1) whole and press laterally in the horizontal direction, moving the support leg (2) above, a top plate extended state shown in (c)及beauty FIG. 1 (b).
[0011]
A mechanism for movably supporting the top plate (1) on the support leg (2) will be described with reference to FIGS.
[0012]
The bottom surface of the main top plate which is connected to the auxiliary top plate (4) by a hinge (9) (3), the roller support member (6) is two to Ru provided at both ends moth Idorora (11), spaced apart from each other And extend in the left-right direction in parallel.
Each roller support member (6), as is best shown in FIG. 4, made of a steel plate material bent in an L-shaped cross-section, the guide rollers outside the vertical piece (6b) (11) is downwardly mounted so as to protrude, with this surface oriented only horizontal plate outward to (6a), it is attached to the main top panel (3). Distance between the two roller support members (6), Ru Tei determined in accordance with the spacing of the later-described two guide rails (8).
[0013]
As described above, the left and right connecting beam members (5a) extending in the front-rear direction are connected by two beam members (7) extending in the left-right direction to form a rectangular frame. A guide rail (8) is attached to each of the beam members (7).
As seen in FIG. 4, the guide rail (8) has been made by bending a steel plate, the upper surface of the lower piece (8d) is, the rail surface for rolling the guide roller (11) and Ru such Ttei.
Side pieces (8e) may have a vertical piece (6b) of height less height than the roller support member (6), the upper piece (8a) is attached a guide roller (11) of the fixing member (6) The vertical piece (6b) has a narrow surface so that it can receive the vertical piece (6b) from above.
[0014]
The length of the guide rail (8) is twice as long as the length of the roller support member (6), and both ends of the guide rail (8) are end pieces to which the ends of the roller support member (6) moving inside contact. (8b) and (8c).
[0015]
The left and right ends near and middle lower piece to be rail surface (8d), a recess sinking the guide rollers (11) (12) is formed.
[0016]
As shown in FIGS. 3 and 5 , on the lower surface of the main top plate (3), on the extension line on the left and right of the roller support member (6) attached long in the left and right direction as described above, a protrusion ( 10) and are installed four projections (10) is in contact with the side face of the beam member (7), so that a deflection stop during movement of the top plate (1).
[0017]
When the auxiliary top plate (4) shown in FIGS. 1A and 2A is not used, the two guide rollers (11) of the roller support member (6) attached to the main top plate (3). Is submerged in the concave portion (12) at the left end and the center shown in FIG. 4, and the lower surface of the main top plate (3) is connected to the beam member (7) at the upper end of the support leg (2) and the connecting beam member (5a). ) Is in contact with the upper surface. In this position, the left end of the roller support member (6) comes into contact with the end piece (8c) of the guide rail (8).
[0018]
As shown in FIG. 2 (b), when the auxiliary top plate (4) is raised to be horizontal and is pushed rightward, the guide roller (11) comes out of the concave portion (12) and rises on the rail surface. In this state, the lower surfaces of the main top plate (3) and the auxiliary top plate (4) are separated from the upper surfaces of the beam members (7) and the connecting beam members (5a) of the support legs (2), and the guide rollers (11) lightly travels rightward by rolling, two guide rollers (11) leads to a position sunk in the center and the right end of the recess (12).
[0019]
In this position, the right end of the roller support member (6) comes into contact with the end piece (8b) of the guide rail (8) and stops. In this position, as shown in FIG. 1 (c), a substantial part of the auxiliary top plate (4) is on the beam member (7). Therefore, the auxiliary top plate (4) is firmly supported by the support legs (2).
[0020]
【The invention's effect】
According to the first aspect of the invention, the entire top plate is moved in the horizontal direction with respect to the support legs, even when spread the top plate, only one side of the top plate from the supporting leg is protruding too much lateral It is safe to use because it does not have a sharp shape and the risk of falling is small .
In addition, the conversion work only requires pushing or pulling while changing the position of the auxiliary top plate , and is extremely simple and easy to work.
[0021]
Moth and Idorora with a roller support member to one of a guide rail for guiding the guide rollers on the back of the main top plate, attaching the other to the upper portion of the support leg, relative to the said guide rail and said roller support member by moving the position where only the main top panel is supported on the support leg, both of the main top plate and the auxiliary top plate so as to occupy a position supported on the support legs As a result , reliable conversion work can be performed with a simple mechanism.
[0022]
With arranging a gas Idorora at both ends of the roller support member, the guide rail, these two guide rollers, the main top plate have the main top plate and a position supported on the support legs and At the position where both of the auxiliary top plates are supported on the support legs , a concave portion is provided for sinking, so that at the time of conversion work , the lower surface of the top plate first separates from the upper surface of the support legs, The movement is performed smoothly with a small force, and after the conversion, the lower surface of the top plate and the upper surface of the support leg again come into contact with each other, so that stable support is provided .
[0023]
According to the second aspect of the invention, at both ends of the guide rails, come into contact with the ends of the roller support member, since is provided an end piece for locking it, the movement of the top plate, the desired 2 position Can be reliably stopped.
[0024]
According to the third aspect of the present invention , the supporting leg has two parallel beam members extending in the left-right direction that constitute the upper part thereof, and the lower surface of the main top plate mounted thereon has the following structure. in contact with the side of the beam member, since the main stage move is provided a plurality of protrusions for guiding the, during the horizontal movement of the top plate is moved in parallel along the top plate to the beam member And no blurring.
[Brief description of the drawings]
FIG. 1A is a perspective view showing an embodiment of a top plate extendable table of the present invention in a state where an auxiliary top is not used, and FIG. 1B is a perspective view showing a state where an auxiliary top is used.
2 (a) is a partially omitted front view showing the embodiment shown in FIG. 1 in a state where an auxiliary top is not used, and FIG. 2 (b) is a state where the auxiliary top is not used and converted into a state where an auxiliary top is used; (C) is a similar diagram showing a state in which an auxiliary top plate is being used.
FIG. 3 is an exploded perspective view partially showing the embodiment shown in FIG. 1;
FIG. 4 is an exploded perspective view of a fixing member with a guide roller and a guide rail shown in FIG. 3;
FIG. 5 is an enlarged cross-sectional view of the vicinity of a roller support member and a guide rail of the completed table.
[Explanation of symbols]
(1) Top plate
(2) Support legs
(3) Main top plate
(4) Auxiliary tabletop
(5) Leg
(5a) Connecting beam members
(6) Roller support member
(6a) Horizontal piece
(6b) Vertical piece
(7) Beam members
(8) Guide rail
(8a) Upper piece
(8b) (8c) End piece
(8d) Lower piece
(8e) Side piece
(9) Hinge
(10) Projection
(11) Guide roller
(12) recess

Claims (3)

The main tabletop with the auxiliary tabletop hinged to one side end is positioned with respect to the support leg, at a position where only the main tabletop is supported on the support table, and the main tabletop and the auxiliary tabletop. the position and the both plates are supported on the support leg, movably mounted,
One of a roller support member with a guide roller and a guide rail for guiding the guide roller is attached to the back surface of the main top plate, and the other is attached to the upper portion of a support leg, and the relative position between the roller support member and the guide rail is adjusted. , The position where only the main top plate is supported on the support leg and the position where both the main top plate and the auxiliary top plate are supported on the support leg are occupied. ,
Further, guide rollers are provided at both ends of the roller support member, and the guide rails are provided with these two guide rollers at a position where only the main top plate is supported on the support leg, and at the main rail. A top plate extendable table, wherein a recessed portion is provided at a position where both the top plate and the auxiliary top plate are supported on the support leg body . At both ends of the guide rails, come into contact with the ends of the roller support member, the top plate extendable table according to claim 1, wherein is provided an end piece for locking it. The supporting leg has two parallel beam members extending in the left-right direction and constituting an upper portion thereof, and a lower surface of a main top plate mounted thereon is in contact with a side portion of the beam member. Te, the main top plate according to claim 1 or 2 the top plate extendable table according provided with protrusions multiple for guiding the movement of the.

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