JP2001314254A - Movement preventing device provided at leg part - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a movement preventing device provided at a leg part, for preventing the movement of a device body against impact caused by the opening/closing operation or the like of a drawer unit of heavy weight. SOLUTION: This movement preventing device provided at the leg part is composed of the leg part with a cutout part 3b formed on a floor face, at a part of a side wall 3a of a foot 3 for supporting a foot top 2 of the device body, and a wedge member 4 provided with an inclined face 4a brought into contact with at least the upper part of the cutout part 3b when inserted in the cutout part 3b of the leg part.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a movement preventing device provided on a leg for fixing a leg supporting an apparatus body such as a copying machine or a printer.

[0002]

2. Description of the Related Art Generally, legs for supporting an apparatus main body on a floor are provided around the feet of a printing machine such as a copying machine or a printer. Among the devices of this type, a device on which a heavy-weight drawer unit is mounted, for example, as shown in FIG.
, A heavy draw-out type roll feed unit 1
Some are equipped with one. As shown in FIG. 12, each leg 12 is attached with a foot 2 via a jack screw 1 whose height is adjustable so that the apparatus body 10 can be leveled out, and the foot 2 is attached to a footrest 3 '. I put it.

In the above-described copying machine, the apparatus main body 10 is opened and closed when the roll paper feed unit 11 is opened and closed.
There is a problem that the impact force F applied to the armature is large, and the impact causes the legs to slide on the floor surface, thereby displacing the installation position in the F 'direction. Conventionally, in order to prevent such movement of the apparatus main body 10, measures such as increasing the resistance between the floor surface 5 and the footrest 3 'by interposing a member such as a rubber plate 13 under the footrest 3' have been taken. It has been done.

[0004]

However, in the countermeasures to be installed via the rubber plate 13 or the like to prevent the movement, the device main body 10 is not stabilized due to the cushioning property of such a resistive member. There remains a problem that leveling cannot be performed.

SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned problems. It is an object of the present invention to reliably prevent a drawer unit from being moved by an impact such as an operation of the drawer unit and to stabilize the apparatus body. An object of the present invention is to provide a movement prevention device provided on a leg that does not adversely affect leveling.

[0006]

In order to achieve the above object, a movement preventing device provided on a leg according to the present invention is a member for supporting an apparatus main body, and has a side wall between the floor and a floor surface. And a wedge-shaped member having an inclined surface that is inserted into the notch of the leg to contact at least above the notch by being inserted into the notch of the leg. And

It is preferable that the wedge-shaped member has a member having a large frictional resistance at a portion in contact with the floor surface.

Further, between the leg and the wedge-shaped member,
It is preferable that a connecting member for holding the wedge-shaped member near a position opposing the cutout portion of the leg is provided.

Preferably, the connecting member is a member having elasticity for urging the wedge-shaped member in the insertion direction of the notch.

[0010] In addition, a plurality of wedge-shaped members may be inserted into the leg from at least two directions different from each other by at least approximately 180 °.

[0011]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of a movement preventing device provided on a leg to which the present invention is applied will be described below with reference to the drawings.
FIG. 1 is a perspective view of a leg according to the present embodiment, and FIG. 2 is a longitudinal sectional view thereof. The leg is composed of a foot 2 attached to the apparatus main body 10 via a jack screw 1, a round foot-shaped foot 3 for mounting the foot 2, and a wedge-shaped member 4. ing. The footrest 3 has a hollow cylindrical shape, and has sufficient strength to support the weight of the apparatus body 10.
A substantially rectangular cutout portion 3b is formed by cutting out a part of the side wall 3a. The notch 3b has the floor surface 5 located below and the cross section 3c of the side wall 3a located above. The wedge-shaped member 4 can be inserted into the notch 3b of the footrest 3 from its tip, and the inclined surface 4a comes into close contact with the cross-section 3c of the footrest 3 with an appropriate pressing force according to the amount of insertion. It is molded as follows. In this example,
The angle of the inclined surface 4a and the angle of the cross-section 3c are made to coincide with each other so that they come into surface contact with each other.

As described above, according to the wedge-shaped member 4 having the inclined surface 4a which can bite into the notch 3b of the footrest 3 just by being inserted, as shown in FIG.
Receives the impact force F, it is dispersed into the forces f1 and f2 by the inclined surface 4a, and the reaction force f2 due to the own weight of the apparatus main body 10 becomes large.
And the displacement of the apparatus main body 10 is effectively prevented.

Further, from the viewpoint of increasing the frictional resistance against the force f1 in the moving direction, as shown in FIG.
May have a large bottom surface having a large contact area with the floor surface 5. Alternatively, the wedge-shaped member 4 having a different contact area may be selectively used to provide an individualized product in accordance with the impact force F unique to the product. Correspondence is also possible. Further, as exemplified in FIGS. 1 and 2, from the viewpoint of qualitatively improving the movement resistance, at least the bottom surface in contact with the floor surface 5 has a large frictional resistance to the floor surface 5 such as a rubber-like or file-like shape. The fixing performance of the wedge-shaped member 4 itself can be enhanced by attaching the member 4b. Of course, by combining the securing of the contact area and the use of the frictional member 4b, more effective movement prevention can be achieved.

Further, as shown in FIG.
A suction cup 4c that can be adsorbed to the floor surface 5 may be provided on the bottom surface of the device to enhance the fixing performance.

Next, a configuration using a connecting member will be described. 5 and 6 are views showing a leaf spring-like connecting member. The connecting member is a U-shaped leaf spring 6, one end of which is attached to the upper surface 4 a of the wedge-shaped member 4, and the other end of which is a footrest 3.
Attached to the side wall 3a. Although various shapes are conceivable, as shown in FIG. 5, the “U” -shaped leaf spring 6 has elasticity, and the wedge-shaped member 4 is inserted into the footrest 3 so that the “two-dot chain line free shape” is formed. ”To“ solid line state ”, the biasing force f in the direction of returning to the free shape by the reaction force
3, and is pressed in the direction in which the wedge-shaped member 4 is inserted into the notch 3b. Due to the urging force f3, the pressurized state does not change even after the device main body 10 is moved in a direction in which the wedge-shaped member 4 comes off, and stable fixing performance can be maintained. Also, as shown in a two-dot chain line in FIG. 5 or FIG. 6, even when the wedge-shaped member 4 is not set, the wedge-shaped member 4 is set with the footrest 3 so as to be held near a position opposing the notch 3b. Has been

FIGS. 7 and 8 show another embodiment of the connecting member. This connecting member serves as a support rod 6 ′ that is pivotally supported inside the footrest 3 in a direction substantially perpendicular to the insertion direction of the wedge-shaped member 4 in order to loosely support the wedge-shaped member 4 in the footrest 3. ing. A long hole 4d extending in the insertion direction is formed at the tip of the wedge-shaped member 4, and the long hole 4d is loosely fitted to the support rod 6 '. As shown in FIG. 7, the wedge-shaped member 4 is set with the footrest 3 so that the wedge-shaped member 4 is hung on the support bar 6 'when not set, and as shown in FIG. In the state where it is installed on 5, the long hole 4d
As a result, the wedge-shaped member 4 is movable in the insertion direction.

As shown in the above embodiment, according to the configuration in which the footrest 3 and the wedge-shaped member 4 are connected by a flexible connecting member, the setability of the members is improved in any case, and loss of parts is prevented. Is done.

FIGS. 9 and 10 show two wedge-shaped members 4.
It is a figure which shows the example of a form which uses. As shown in the figure,
The two wedge-shaped members 4 are connected by a semi-ring-shaped spring 6 "as a connecting member so as to oppose each other's tips. As shown in FIG.
Notches 3b are formed at two positions corresponding to two different directions, and one wedge-shaped member 4 can be inserted into each notch 3b by expanding the semi-ring spring 6 ″. When the two wedge-shaped members 4 are inserted into one footrest 3, the half-ring springs 6 "are maintained in a slightly expanded state against the elasticity, and each of the wedge-shaped springs 6" is biased by the urging force f3 of the half-ring springs 6 ". The member 4 is notch 3b
To be pressurized. According to the configuration in which the wedge-shaped member 4 is inserted and pressed in the two opposing directions, for example,
Regardless of whether the drawer unit of the apparatus main body 10 (not shown) is pushed or pulled out, it is possible to exhibit the fixing property against the impact F from any direction. Of course, even when such two wedge-shaped members 4 are used, the connecting member is set with the footrest 3 by using the leaf spring 6 and the support bar 6 ′ together as in the above-described embodiment. You can also.

In the embodiment described above, the leg has the foot 2 and the footrest 3 separate from each other, and the wedge-shaped member 4 is inserted into the footrest 3. The movement preventing device is not limited to such an example. For example, the present invention can be applied to a leg in which the toe 2 and the footrest 3 are integrated, and in any case, a leg which can form a gap into which a wedge-shaped member can be inserted between the foot and the floor. This is within the scope of the present invention.

[0020]

As is apparent from the above description, the movement preventing device provided on the leg according to the present invention is a member for supporting the device main body, and is cut into a part of the side wall between the floor and the floor. The device body is formed of a leg that forms a notch, and a wedge-shaped member having an inclined surface that is inserted at least into the notch by being inserted into the notch of the leg. The applied impact force is dispersed by the inclined surface of the wedge-shaped member that bites into the leg, and it is possible to prevent the displacement of the installation position of the leg, thereby improving the fixing performance of the apparatus body.

Further, according to the structure in which the wedge-shaped member has a member having a large frictional resistance at a portion in contact with the floor surface, slip between the wedge-shaped member itself and the floor surface is prevented, and the apparatus main body can be prevented from slipping. The fixing performance is enhanced.

Further, between the leg and the wedge-shaped member,
According to the configuration in which the connecting member for holding the wedge-shaped member 4 in the vicinity of the position opposing the cutout of the leg is provided, the wedge-shaped member is always connected near the cutout of the leg. Therefore, the installation work is easy, and the loss and scattering of the counterpart component can be prevented even as a single component.

Further, according to the construction in which the connecting member is a member having elasticity for urging the wedge-shaped member in the insertion direction of the notch, the wedge-shaped member is always moved to the notch of the leg. Pressurization can be performed in the insertion direction, and even if the device main body is moved in such a direction that the wedge-shaped member comes off from the cutout portion, a certain degree of fixation can be maintained.

Further, according to the configuration in which the plurality of wedge-shaped members are inserted into the leg from at least two directions that are different from each other by at least approximately 180 °, for example, it is possible to pull out the constituent units of the main body of the apparatus. Correspondence 2 such as pushing
Direction, and can maintain stable fixing performance. Especially when each wedge-shaped member is used in combination with a connecting member that urges in each insertion direction, pressure is inserted in two opposing directions. Demonstrate extremely stable fixing performance.

[Brief description of the drawings]

FIG. 1 is a perspective view of a leg according to the present embodiment.

FIG. 2 is a longitudinal sectional view of a leg of FIG. 1;

FIG. 3 is a perspective view showing a wedge-shaped member having a large contact area.

FIG. 4 is a sectional view showing a wedge-shaped member provided with a suction cup.

FIG. 5 is a cross-sectional view showing an embodiment including a leaf spring-like connecting member.

FIG. 6 is a perspective view showing an embodiment provided with a leaf spring-like connecting member.

FIG. 7 is a perspective view showing an embodiment provided with a connecting member composed of a support rod.

FIG. 8 is a cross-sectional view showing an embodiment provided with a connecting member composed of a support rod.

FIG. 9 is a perspective view showing wedge-shaped members connected in two opposite directions.

FIG. 10 is a cross-sectional view showing an embodiment in which wedge-shaped members are provided in two opposing directions.

FIG. 11 is a perspective view showing a wide-width copying machine to which the present invention can be applied.

FIG. 12 is a side view showing a conventional leg movement preventing means.

[Explanation of symbols]

 3a Side wall 3b Notch 4 Wedge-shaped member 4a Inclined surface of wedge-shaped member 4b Member with large frictional resistance 5 Floor surface 6, 6 ', 6 "Connecting member 10 Device body

──────────────────────────────────────────────────続 き Continued on the front page (51) Int.Cl. ⁷ Identification symbol FI Theme coat ゛ (Reference) H05K 5/02 H05K 5/02 B

Claims (5)

[Claims] 1. A leg for supporting a main body of a device, the leg forming a cutout in a part of a side wall between the floor and a floor, and being inserted into the cutout of the leg. And a wedge-shaped member having an inclined surface that contacts at least above the notch. 2. The movement preventing device according to claim 1, wherein the wedge-shaped member has a member having a large frictional resistance at a portion in contact with the floor surface. 3. A connecting member is provided between the leg and the wedge-shaped member for holding the wedge-shaped member near a position opposing the cutout of the leg. A movement prevention device provided on the leg portion according to claim 1. 4. The leg according to claim 1, wherein the connecting member is a member having elasticity for urging the wedge-shaped member in a direction in which the notch is inserted. Movement prevention device provided in the unit. 5. The leg according to claim 1, wherein a plurality of wedge-shaped members are inserted into the leg from at least two directions different from each other by at least approximately 180 °. Movement prevention device provided on the leg of the vehicle