JPH0624202A - Caster - Google Patents
CasterInfo
- Publication number
- JPH0624202A JPH0624202A JP18230792A JP18230792A JPH0624202A JP H0624202 A JPH0624202 A JP H0624202A JP 18230792 A JP18230792 A JP 18230792A JP 18230792 A JP18230792 A JP 18230792A JP H0624202 A JPH0624202 A JP H0624202A
- Authority
- JP
- Japan
- Prior art keywords
- base
- wheel
- caster
- furniture
- wheels
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Legs For Furniture In General (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】この発明は、家具等を移動自在に
支持するキャスタに関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a caster for movably supporting furniture or the like.
【０００２】[0002]
【従来の技術】椅子や机などに取付けられるキャスタに
は、任意の方向に自由に移動できる機能が求められる。2. Description of the Related Art A caster attached to a chair or a desk is required to have a function of freely moving in any direction.
【０００３】このため、従来のキャスタは、図５に示す
ように、家具Ａの下面に軸受部材２１を介して支持金具
２２を回転自在に取付け、その支持金具２２に水平軸２
４を介して車輪２３を取付けて構成され、支持金具２２
の水平方向の旋回と車輪２３の転がりを組合せることに
より任意方向への移動を可能にしている。For this reason, in the conventional caster, as shown in FIG. 5, a support fitting 22 is rotatably attached to the lower surface of the furniture A through a bearing member 21, and the horizontal shaft 2 is attached to the support fitting 22.
The wheel 23 is mounted via the
It is possible to move in any direction by combining the horizontal turning and the rolling of the wheels 23.
【０００４】[0004]
【発明が解決しようとする課題】しかし、上記従来のキ
ャスタは、軸受部材２１と支持金具２２と車輪２３とを
単に上下方向に積層させて組立てているため、高さ寸法
が大きくなり、家具の下面に取付けた場合、家具高さが
大きくなる問題がある。However, in the above-mentioned conventional caster, the bearing member 21, the support fitting 22, and the wheel 23 are simply laminated in the vertical direction to assemble the caster, so that the height dimension becomes large and the furniture is When mounted on the bottom surface, there is a problem that the furniture height becomes large.
【０００５】また、車輪２３が、軸受部材２１や支持金
具２２に対して外側に大きくはみ出して取付けられてい
るため、キャスタが旋回した時の車輪の移動範囲が大き
くなり、椅子等に取付けた場合キャスタと足が干渉しや
すい問題がある。Further, since the wheel 23 is attached to the bearing member 21 and the support fitting 22 so as to largely extend outside, the range of movement of the wheel when the caster turns becomes large, and when the wheel 23 is attached to a chair or the like. There is a problem that casters and feet easily interfere with each other.
【０００６】さらに、上記従来のキャスタでは、支持金
具２２や車輪２３が外側に大きく露出しているために、
外観のデザインが悪く、家具の美観を損なわせる欠点も
ある。Further, in the above-mentioned conventional caster, since the support fittings 22 and the wheels 23 are largely exposed to the outside,
The exterior design is bad, and it has the drawback of impairing the aesthetics of furniture.
【０００７】そこで、この発明は、外部に露出する部分
をできるだけ少なくし、簡単な構造とコンパクトな形状
により任意方向への移動を可能としたキャスタを提供す
ることを目的としている。[0007] Therefore, an object of the present invention is to provide a caster which can be moved in an arbitrary direction with a simple structure and a compact shape by reducing a portion exposed to the outside as much as possible.
【０００８】[0008]
【課題を解決するための手段】上記の課題を解決するた
め、この発明は、キャップ状の基台に、その基台の内部
に嵌まり込むキャップ状の旋回台を上記基台の底面に垂
直な軸を中心に回転自在に取付け、上記旋回台の内部に
設けた軸受板に、上記基台の底面に水平な軸を介して車
輪を回転自在に取付け、その車輪の取付け位置を上記旋
回台の回転中心に対して偏心させた構造としたのであ
る。In order to solve the above-mentioned problems, the present invention has a cap-shaped base, and a cap-shaped swivel which fits inside the base is perpendicular to the bottom surface of the base. Rotatably mounted on a rotating shaft, the wheel is rotatably mounted on the bearing plate provided inside the swivel base through a horizontal shaft on the bottom surface of the base, and the mounting position of the wheel is set on the swivel base. The structure is eccentric to the center of rotation.
【０００９】[0009]
【作用】上記のキャスタにおいては、キャップ状の基台
の内部に旋回台を嵌め込み、その旋回台の内側に設けた
軸受板に車輪を取付けるため、キャスタの全高をコンパ
クトにでき、車輪の外側への露出を小さくすることがで
きる。In the above caster, since the swivel base is fitted inside the cap-shaped base and the wheels are mounted on the bearing plate provided inside the swivel base, the total height of the caster can be made compact and the outer side of the wheel can be improved. The exposure of can be reduced.
【００１０】また、車輪の取付位置と旋回台の回転中心
を偏心させたことにより、車輪の転がり方向と異なる方
向の力がキャップに作用した場合、旋回台に回転力が生
じ、上記作用力と車輪の転がり方向が一致する向きに旋
回台が回転する。したがって、この旋回台の回転運動と
車輪の転がりによりキャスタを任意の方向へ移動させる
ことができる。Further, when the mounting position of the wheel and the center of rotation of the swivel base are eccentric, when a force in a direction different from the rolling direction of the wheel acts on the cap, a rotational force is generated on the swivel base, which causes the above-mentioned acting force. The swivel rotates in a direction in which the rolling directions of the wheels match. Therefore, the caster can be moved in any direction by the rotational movement of the swivel base and the rolling of the wheels.
【００１１】[0011]
【実施例】図１乃至図３は実施例のキャスタを示してい
る。図において、２はキャップ状の基台であり、その基
台２の内部に、同じくキャップ状に形成された旋回台３
が嵌め込まれている。1 to 3 show casters of an embodiment. In the figure, 2 is a cap-shaped base, and inside the base 2, a swivel base 3 also formed in a cap-shape.
Is fitted.
【００１２】この旋回台３は、基台２の底面２ａから垂
直方向に突設した中空軸４を中心に回転自在に取付けら
れ、その旋回台３の上面と基台２の底面２ａとの間に、
両者の相対回転を案内する多数のベアリングボール５が
組込まれている。上記旋回台３と基台２を連結する中空
軸４は、旋回台３の中心孔６を貫通し、先端部に、その
中心孔６より径の大きなフランジ７が形成してあり、こ
のフランジ７と基台２の底面の間で旋回台３を抜け止め
している。The swivel base 3 is rotatably mounted around a hollow shaft 4 projecting vertically from the bottom surface 2a of the base 2, and is located between the upper surface of the swivel base 3 and the bottom surface 2a of the base 2. To
A large number of bearing balls 5 that guide the relative rotation of the two are incorporated. The hollow shaft 4 connecting the swivel base 3 and the base 2 penetrates a central hole 6 of the swivel base 3, and a flange 7 having a diameter larger than that of the central hole 6 is formed at the tip end thereof. The swivel base 3 is prevented from coming off between the base and the bottom surface of the base 2.
【００１３】また、旋回台３の内部には、一対の軸受板
８、８が平行に形成され、その両軸受板８、８の両側
に、それぞれ対向して車輪９の取付軸１０が嵌合する軸
嵌合溝１１、１２が形成されている。A pair of bearing plates 8 and 8 are formed in parallel inside the swivel base 3, and mounting shafts 10 of wheels 9 are fitted on both sides of the bearing plates 8 and 8 so as to face each other. Shaft fitting grooves 11 and 12 are formed.
【００１４】この軸嵌合溝１１、１２は、溝深さがそれ
ぞれ異なっていると共に、溝の入口部分の幅が取付軸１
０の径よりわずかに小さく形成されており、取付け軸１
０を入口側から軽く押し込むことにより簡単に溝１１、
１２の内部に抜け止めできるようになっている。The shaft fitting grooves 11 and 12 have different groove depths, and the width of the groove entrance portion is equal to that of the mounting shaft 1.
It is formed slightly smaller than the diameter of 0, and the mounting shaft 1
Gently press 0 from the inlet side to make groove 11,
The inside of 12 can be retained.
【００１５】また、上記取付軸１０は、軸嵌合溝１１、
１２に取付けた状態で、基台２の底面２ａに水平に配置
され、かつ、旋回台３の回転中心に対して偏心した位置
に配置されるように設定されている。The mounting shaft 10 has a shaft fitting groove 11,
It is set so as to be horizontally arranged on the bottom surface 2 a of the base 2 in a state of being attached to the base 12, and at a position eccentric to the rotation center of the swivel base 3.
【００１６】一方、車輪９は、幅寸法が両軸受板８、８
の間に嵌合する大きさで形成され、その中央孔１３に取
付軸１０を直接挿通させて取付けられている。また、上
記車輪９は、取付軸１０を介して旋回台３の取付けた状
態で、車輪９のほぼ下半分が基台２と旋回台３の下端部
から露出するようになっている。On the other hand, the wheel 9 has a width dimension of both bearing plates 8, 8.
The mounting shaft 10 is directly inserted into the central hole 13 of the mounting hole 10 to be mounted. Further, the wheel 9 is configured such that the lower half of the wheel 9 is exposed from the lower ends of the base 2 and the swivel 3 when the swivel 3 is mounted via the mounting shaft 10.
【００１７】上記の車輪９と旋回台３は、合成樹脂を一
体成形して形成するのが良い。これは、合成樹脂のもつ
自己潤滑性により車輪９や旋回台３表面の摩擦抵抗が小
さくなるため、取付軸１０やベアリングボール５に対し
て円滑な転がり特性を得ることができるからである。The wheels 9 and the swivel base 3 are preferably integrally formed of synthetic resin. This is because the self-lubricating property of the synthetic resin reduces the frictional resistance on the surfaces of the wheel 9 and the swivel base 3, and thus a smooth rolling characteristic can be obtained for the mounting shaft 10 and the bearing balls 5.
【００１８】また、基台２は、金属や木材等でも形成で
きるが、車輪９や旋回台３と同じ合成樹脂で形成する
と、ベアリングボール５との転がり特性が良くなり、円
滑な旋回台３の回転を得ることができる。The base 2 can be made of metal, wood, or the like, but if it is made of the same synthetic resin as the wheels 9 and the swivel base 3, the rolling characteristics with the bearing balls 5 are improved and the smooth swivel base 3 is made. You can get the rotation.
【００１９】この実施例のキャスタ１は上記のような構
造であり、家具等に取付ける場合は、図４に示すよう
に、家具Ａの下面に基台２が嵌まり込む取付孔１４を形
成し、その取付孔１４の内部に、基台２を圧入して接着
剤などにより固定する。このようにキャスタ１を取付け
た状態では、家具Ａの下側に車輪９の一部分だけがはみ
出すだけであるために、家具の高さがほとんど変化する
ことがなく、家具の美観も損なわれない。The caster 1 of this embodiment has the structure as described above, and when it is mounted on furniture or the like, as shown in FIG. 4, a mounting hole 14 into which the base 2 is fitted is formed on the lower surface of the furniture A. The base 2 is press-fitted inside the mounting hole 14 and fixed by an adhesive or the like. In the state where the casters 1 are attached in this way, since only a part of the wheels 9 protrudes below the furniture A, the height of the furniture hardly changes and the aesthetic appearance of the furniture is not impaired.
【００２０】また、家具に上記のような取付孔１４を形
成できない場合は、基台２の上面を家具Ａの下面に接合
し、基台２の中央の孔などを利用してキャスタ１をボル
ト止めする。この場合でも、キャスタ１の高さは、扁平
な基台２の厚みと、基台２の下端からはみ出す車輪９の
厚みとを足し合せた寸法になり、大きな厚みにならない
ために、家具の高さはほとんど変化しない。また、車輪
９が基台２から大きく露出しないために、家具の美観を
損なうことがない。When the mounting hole 14 as described above cannot be formed in the furniture, the upper surface of the base 2 is joined to the lower surface of the furniture A, and the caster 1 is bolted using the hole in the center of the base 2. Stop. Even in this case, the height of the casters 1 is the sum of the thickness of the flat base 2 and the thickness of the wheels 9 protruding from the lower end of the base 2, and the height of the furniture does not become large. Hardly changes. Further, since the wheels 9 are not largely exposed from the base 2, the appearance of the furniture is not spoiled.
【００２１】上記のように家具にキャスタを取付けた状
態において、図３に示すように、キャスタ１に対して車
輪９の転がり方向の力Ｆ1 が作用した場合は、車輪９の
転がりによりキャスタ１が直線移動する。In the state where the casters are attached to the furniture as described above, when a force F 1 in the rolling direction of the wheels 9 acts on the casters 1 as shown in FIG. 3, the rolling of the wheels 9 causes the casters 1 to roll. Moves in a straight line.
【００２２】一方、車輪９の転がり方向とは異なる方向
の力Ｆ2 がキャスタ１に作用した場合は、車輪９と旋回
台３の回転中心とが偏心しているために、上記作用力Ｆ
2 により旋回台３に回転モーメントＴが加わる。このた
め、旋回台３は、作用力Ｆ2と車輪９の転がり方向が一
致するまで回転し、両方向が一致した時点で車輪９の転
がりによってキャスタ１が移動する。On the other hand, when a force F 2 in a direction different from the rolling direction of the wheel 9 acts on the caster 1, the acting force F is caused because the wheel 9 and the rotation center of the swivel base 3 are eccentric.
The turning moment T is applied to the swivel base 3 by 2 . Therefore, the swivel base 3 rotates until the acting force F 2 and the rolling directions of the wheels 9 coincide with each other, and when the two directions coincide, the wheels 1 roll to move the casters 1.
【００２３】なお、上記の実施例では、軸受板８、８に
１個の車輪９を取付けたが、同時に２個以上の車輪を取
付けるようにしてもよい。In the above embodiment, one wheel 9 is attached to the bearing plates 8 and 8, but two or more wheels may be attached at the same time.
【００２４】[0024]
【効果】以上のように、この発明のキャスタは、高さ寸
法をコンパクトにできるので、家具の高さを大きく変化
させる不具合がない。また、車輪の外側へのはみ出し量
が小さいため、キャスタの旋回する範囲を小さくでき、
家具の美観を損ねないという利点がある。[Effect] As described above, the caster of the present invention can be made compact in height, so that there is no problem that the height of furniture is greatly changed. Also, since the amount of protrusion of the wheels to the outside is small, the range in which the casters turn can be reduced,
It has the advantage that it does not spoil the aesthetics of furniture.
【図１】実施例のキャスタを示す一部縦断正面図FIG. 1 is a partially longitudinal front view showing a caster according to an embodiment.
【図２】同上の分解斜視図FIG. 2 is an exploded perspective view of the above.
【図３】同上の底面図FIG. 3 is a bottom view of the above.
【図４】キャスタの取付状態を示す一部縦断正面図FIG. 4 is a partially vertical front view showing a caster mounting state.
【図５】従来例を示す図FIG. 5 is a diagram showing a conventional example.
１ キャスタ ２ 基台 ３ 旋回台 ８ 軸受板 ９ 車輪 １０ 取付軸 1 caster 2 base 3 swivel 8 bearing plate 9 wheel 10 mounting shaft
Claims (1)
嵌まり込むキャップ状の旋回台を上記基台の底面に垂直
な軸を中心に回転自在に取付け、上記旋回台の内部に設
けた軸受板に、上記基台の底面に水平な軸を介して車輪
を回転自在に取付け、その車輪の取付け位置を上記旋回
台の回転中心に対して偏心させたキャスタ。1. A cap-shaped base, which is fitted into the base, is rotatably mounted about a shaft perpendicular to the bottom surface of the base. A caster in which a wheel is rotatably attached to a bearing plate provided on the bottom surface of the base via a horizontal shaft, and the mounting position of the wheel is eccentric with respect to the rotation center of the swivel base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18230792A JPH0624202A (en) | 1992-07-09 | 1992-07-09 | Caster |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18230792A JPH0624202A (en) | 1992-07-09 | 1992-07-09 | Caster |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0624202A true JPH0624202A (en) | 1994-02-01 |
Family
ID=16116008
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18230792A Pending JPH0624202A (en) | 1992-07-09 | 1992-07-09 | Caster |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0624202A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003072307A (en) * | 2001-06-21 | 2003-03-12 | Tone Corp | Caster |
| JP2003102574A (en) * | 2001-09-28 | 2003-04-08 | Kokuyo Co Ltd | Wheel for preventing drawer storing body from inclining and falling down |
| KR100853864B1 (en) * | 2006-10-26 | 2008-08-22 | 지덕산업 주식회사 | a caster |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS519961A (en) * | 1973-09-21 | 1976-01-27 | Fuantoni Maruko | IREKOSHIKIKATSUPUOJUSURUKAGUKYASUTA |
-
1992
- 1992-07-09 JP JP18230792A patent/JPH0624202A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS519961A (en) * | 1973-09-21 | 1976-01-27 | Fuantoni Maruko | IREKOSHIKIKATSUPUOJUSURUKAGUKYASUTA |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003072307A (en) * | 2001-06-21 | 2003-03-12 | Tone Corp | Caster |
| JP2003102574A (en) * | 2001-09-28 | 2003-04-08 | Kokuyo Co Ltd | Wheel for preventing drawer storing body from inclining and falling down |
| JP4647161B2 (en) * | 2001-09-28 | 2011-03-09 | コクヨ株式会社 | Anti-tilt wheel for drawer drawer |
| KR100853864B1 (en) * | 2006-10-26 | 2008-08-22 | 지덕산업 주식회사 | a caster |
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