JP2001148583A - Fall-preventing leg mechanism for self-standing device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To improve workability, to secure a storage place and to prevent the fall-preventing the loss of the leg mechanism of a self-standing device, since it is fitted when the self-standing device is moved and it is to be removed at installation, since it sticks out and becomes an obstacle for work in the conventional fall prevention leg mechanism of the self-standing device. SOLUTION: A caster 1, which is installed at the back of the base of self- standing device and stores a means for movement, adjustable parts which are installed at the four corners of the base and can be adjusted in the vertical direction, fall-preventing legs which are installed at the base, so that they can stick out and can be stored and casters 2, which are fitted to the fall-preventing legs and store means for movement, are installed. The fall-preventing legs can be stuck out to positions, where a fall angle supported by the casters 2 is made larger than a fall angle supported by the caster 1.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a self-standing device having a fall prevention foot mechanism.

[0002]

2. Description of the Related Art For example, as shown in FIGS. 5 and 6, there is a self-standing device 1 having a fall prevention foot mechanism. When the self-standing device 1 of this type is vertically long and has a high center of gravity, the self-standing device 1 easily falls over when it is moved for maintenance or the like. For this reason, when moving, in order to increase the falling angle, the fall prevention foot mechanisms 4 and 5 are extended outside the self-standing device 1 and attached with screws 11 or the like. In addition, it was removed because it was in the way when the installation was completed. The casters 2 accommodating rollers for movement are attached to the fall prevention foot mechanisms 4 and 5. Reference numeral 3 denotes an adjuster plastic part used for installing the self-standing device 1, which can be adjusted in the vertical direction. Here, the falling angle indicates an angle between a vertical line from the center of gravity and a portion in contact with the floor, and means an angle at which the device 1 falls when the device 1 is tilted more than the angle.

[0003]

However, the fall prevention foot mechanisms 4 and 5 of the self-standing device 1 having the above structure are attached when the self-standing device 1 is moved, and
You have to remove it because it sticks out to work and gets in the way. For this reason, the workability is poor, and furthermore, when removed, there is a problem that a storage place is secured and lost.

[0004] The present invention has been made in view of such a conventional problem.
The purpose of the present invention is to provide a mechanism for taking out when moving, and storing it when the installation of the self-standing device 1 is completed.

[0005]

SUMMARY OF THE INVENTION In order to solve the above-mentioned problems and to achieve the above object, the present invention relates to a fall prevention foot mechanism for a self-supporting device, comprising: A caster 1 that accommodates means for movement provided at the bottom, an adjuster plastic part that is provided at four corners at the bottom of the self-standing device and that can be adjusted in the vertical direction, and that can be extended and stored at the bottom of the self-standing device. At least one tipping prevention foot provided, a caster 2 attached to the tipping prevention foot and containing means for movement, and a tipping angle formed by supporting the tipping prevention foot by the caster 1. It is characterized in that it can be extended to a position where the falling angle supported by the caster 2 is increased.

[0006]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view of a self-standing device according to the present invention; In the first and second embodiments and the related art,
The same components are denoted by the same reference numerals.

[First Embodiment] FIG. 1 is a perspective view of a fall prevention foot mechanism according to a first embodiment, and FIG. 2 is an enlarged perspective view of a portion A of the fall prevention foot mechanism according to the first embodiment. FIG.

1 and 2, reference numeral 1 denotes a self-standing device. At the rear of the bottom 1a of the self-standing device 1, casters 2a accommodating rollers for movement are provided at an interval l and two adjuster plastic parts 3 which can be adjusted in the vertical direction are attached. Depressions 1b and 1c are formed on the front left and right of the bottom 1a of the self-standing device 1. This dent 1
b and 1c have substantially the same shape, and the fall prevention feet 7 and 8 can be stored. Bosses 11 and 12 are fixed to the ceilings of the recesses 1b and 1c, and adjuster plastic parts 9 and 10 are attached thereto by nuts 9a and 10b.
The fall prevention legs 7, 8 are supported rotatably in the directions of arrows BC by b, 10b. In the recess 1b, a screw hole 13 for fixing the fall prevention foot 7 at the overhang position and a square hole 1 are provided.
4. A screw hole 15 and a square hole 16 to be fixed at the storage position are provided. Similarly, the depression 1c has a fall prevention foot 8
A screw hole and a square hole to be fixed at the overhang position of the camera and a screw hole and a square hole to be fixed at the storage position are provided.

The fall prevention feet 7, 8 have substantially the same shape, and are provided with holes 7a, 8a for fitting into the adjuster plastic parts 9, 10 at one end of a bottom formed in a substantially U-shape. A square hole 7b corresponding to the square holes 14 and 16 of 1b, a screw 7c corresponding to the screw holes 13 and 15 of the recess 1b are provided, and a caster 2b containing a roller for movement is attached to the other end. Have been. Such fall prevention feet 7, 8 are adapted to be rotatably accommodated in recesses 1b, 1c on the front left and right of the bottom 1a. 21 is
It is substantially L-shaped with a fixing bracket, and is provided with a fixing screw hole 21b provided on one of the protrusions 21a and the other protrusion.
The fall prevention feet 7, 8 are attached to the respective positions of the recesses 1b, 1c with fixing screws 22.

The operation of the fall prevention foot mechanism constructed as described above will be described. First, when the self-standing device 1 is moved, the front left and right recesses 1 of the bottom 1a of the self-standing device 1 are used.
b, 1c, the fall prevention feet 7, 8 stored respectively.
To the supporting shafts 9b and 10b of the adjuster parts 9 and 10.
Is pivoted in the direction of the arrow B around the center to protrude outside the self-standing device 1. At this time, the distance between the casters 2b is L. To fix to the overhanging position, the square hole 7b of the fall prevention foot 7 and the square hole 14 of the recess 1b are aligned, and the protrusion 21a of the fixture 21 is inserted.
1b, the fixing screw 22 is inserted into the screw hole 13 of the recess 1b, and tightened to the screw 7c. The same applies to the fall prevention foot 8. Next, loosen the nuts 9a and 10a of the adjuster plastic parts 9 and 10 at the four corners and separate the casters 2a and 2a from the floor 6.
Move at b. Since the distance L between the casters 2b is larger than the distance l between the casters 2a, the angle (falling angle) between the vertical line from the center of gravity and the portion in contact with the floor becomes large, and it becomes difficult to fall during movement.

When installing, adjuster plastic parts 2 at the four corners are adjusted in the vertical direction according to the inclination and unevenness of floor 6 and come into contact with floor 6, and nuts 9a and 10a are rotated and tightened, and then extended. Then, the fixing screw 22 and the fixing metal 21 for fixing the fall prevention feet 7, 8 fixed thereto are removed. Adjust the fall prevention feet 7 and 8 to adjuster parts 9 and 10.
Are pivoted in the direction of arrow C about the support shafts 9b and 10b of
The self-standing device 1 is housed in the left and right front recesses 1b, 1c of the bottom 1a. To fix to the storage position, align the square hole 7b of the fall prevention foot 7 with the square hole 16 of the recess 1b, insert the projection 21a of the fixture 21 and fix the screw hole 21b of the fixture 21 and the screw hole 15 of the recess 1b. And fixing screw 22
And tighten it to the screw 7c. The same applies to the fall prevention foot 8.

[Second Embodiment] FIG. 3 is a perspective view of a fall prevention foot mechanism of a self-standing device according to a second embodiment, and FIG.
FIG. 10 is a bottom view of a fall prevention foot mechanism of the self-standing device according to the second embodiment.

3 and 4, reference numeral 1 denotes a self-standing device. Adjuster plastic parts 3 that can be adjusted in the vertical direction are attached to four corners of the bottom portion 1a of the self-standing device 1, and casters 2a that accommodate rollers for movement are attached to the rear portion of the bottom portion 1a at two intervals l. At the center of the front of the bottom 1a, a substantially U-shaped fall prevention foot 31 is rotatably mounted at the center by a shoulder screw 32. Casters 2b accommodating rollers for movement are attached to both ends of the fall prevention foot 31 at intervals L.
A link 33 is rotatably connected between the shoulder screw 32 and one caster 2. The other end of the link 33 is formed in a substantially U-shape, and the extreme end thereof is a handle portion 33.
a is formed and housed in a recess 1 d provided on the side surface of the bottom 1 a of the self-standing device 1. In the ceiling of the recess 1d,
A screw 35 and a screw 36 are provided. Further, a screw hole is provided at the bottom of the handle portion 33a formed in a substantially U-shape of the link 33.
It is designed to be fixed in the storage position.

The operation of the fall prevention foot mechanism configured as described above will be described.

When the self-standing device 1 is moved, the thumb screw 34 of the handle 33a of the recess 1d provided on the side surface of the bottom 1a of the self-standing device 1 is loosened and removed. Handle part 33
When a is pulled in the direction of arrow M, the fall prevention foot 31 housed under the bottom 1a starts to rotate in the direction G around the shoulder screw 32. Next, the link 33 is pushed in the K direction and further rotated in the G direction. The screw hole at the bottom of the handle 33a is aligned with the screw 35 at the ceiling of the recess 1d, and the thumb screw 34 is inserted and fixed.

Next, the adjuster plastic parts 3 at the four corners are separated from the floor 6 and moved by the casters 2a and 2b. Since the distance L between the casters 2b of the fall prevention foot 31 is greater than the distance l between the rear casters 2a, the angle between the perpendicular from the center of gravity and the portion in contact with the floor (falling angle) increases.
It is difficult to fall down while moving.

When installing, adjuster plastic parts 3 at the four corners are adjusted in the vertical direction according to the inclination and unevenness of floor 6 to make contact with floor 6, and then recesses 1d provided on the side surfaces of bottom 1a. Loosen and remove the thumbscrew 34 of the handle 33a. When the handle 33a is pulled in the direction of arrow M, the bottom 1
The fall prevention foot 31 housed in the lower part of a starts rotating in the H direction about the shoulder screw 32. Next, the link 33 is pushed in the K direction and further rotated in the H direction to be stored. The screw hole at the bottom of the handle 33a is aligned with the screw 36 at the ceiling of the recess 1d, and the thumb screw 34 is inserted and fixed.

[0018]

As described above, according to the first and second embodiments, when the self-supporting device is moved, the fall prevention foot mechanism is attached, and when the self-standing device is installed, it is necessary to carry out the work. You have to remove it because it protrudes and gets in the way. For this reason, the workability is poor, and furthermore, when removed, the problem of securing and losing a storage place can be solved.

[Brief description of the drawings]

FIG. 1 is a perspective view of a fall prevention foot mechanism according to a first embodiment.

FIG. 2 is an enlarged perspective view of a portion A of the overturn prevention mechanism according to the first embodiment.

FIG. 3 is a perspective view of a fall prevention foot mechanism according to a second embodiment.

FIG. 4 is a bottom view of a fall prevention foot mechanism according to a second embodiment.

FIG. 5 is a front view of a self-contained device showing a conventional technique.

FIG. 6 is a perspective view of a self-standing device showing a conventional technique.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Self-standing apparatus 2 Caster 3 Adjuster plastic part 7, 8 Fall prevention foot 9, 10 Adjuster plastic part 31 Fall prevention foot 33 Link 34 Thumb screw

 ──────────────────────────────────────────────────続 き Continuing from the front page (72) Inventor Hiroyuki Ohashi 3-1 Futaba-cho, Takasaki-shi, Gunma F-term in Oki Information Systems Co., Ltd. (Reference) 4E352 BB02 4E360 AB09 AC01 AC14 AC16 AC17 EA22 EB03 EC02 EC12 EC13 EC15 EC16 ED02 ED17 ED27 FA03 GA02 GA04 GA06 GA46 GA54 GB92

Claims (3)

[Claims] In a fall prevention foot mechanism of a self-standing device,
A first caster provided at a rear portion of a bottom portion of the self-supporting device and containing means for movement; an adjuster plapart provided at four corners of a bottom portion of the self-supporting device and adjustable in a vertical direction; At the bottom of the device, at least one overturning foot provided so as to be overhangable and stowable, and a second caster containing a means for movement attached to the overturning foot, , The second caster is supported by the first caster.
A fall prevention foot mechanism of a self-supporting device characterized in that it can be extended to a position where a fall angle formed by being supported by casters is increased. 2. A fall prevention foot mechanism for a self-supporting device, comprising: two rear left and right portions located at the bottom of the self-standing device;
A first caster accommodating means for movement, a first adjuster plastic part which can be adjusted in the vertical direction, and a recess provided at two front left and right ends of a bottom of the self-standing device, and a ceiling portion of the recess A second adjuster plastic part attached to the boss and adjustable in the vertical direction; a fall prevention foot provided rotatably around a support shaft of the second adjuster plastic part; A second caster mounted at a position distant from the center of rotation of the fall-prevention foot and containing means for movement, wherein the fall-prevention foot is turned so that it can be fixed to the extended position or the storage position. A fall prevention foot mechanism for a self-supporting device, characterized in that: 3. A fall prevention foot mechanism for a self-supporting device, comprising: first casters provided at two rear right and left portions of a bottom portion of the self-supporting device and containing means for movement; An adjuster plastic part which is provided at four corners and can be adjusted in the vertical direction; a recess provided on a side surface of a bottom of the self-standing device; a fall prevention foot attached to a front center of the bottom of the self-standing device; The fall prevention foot is rotatable about a center portion thereof as a center of rotation, a second caster attached to both ends of the fall prevention foot and containing means for movement, and a second caster which is connected to the rotation center and one of the second casters. The other end has a link rotatably connected to a caster, and the other end is linked to a recess in the side surface of the bottom portion. By operating the link, the tipping prevention foot is rotated, and the overhanging position or the storage position is stored. Specially that it can be fixed Anti-tip leg mechanism of a freestanding unit to.