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Patent Searching and Data


Title:
PAIRED WHEEL CASTER WITH LOCK MECHANISM
Document Type and Number:
Japanese Patent JP2000301905
Kind Code:
A
Abstract:

To facilitate assembling work, and to reduce fatigue deformation even in usage for a long period to provide sure lock, by constituting a lock mechanism without using a coil spring.

This lock mechanism of which a roller stopper pivoted onto a roller shaft 8 to rotate oscillatingly between a lock position and a nonlock position, and a roller clutch 11 mounted on an oscillating support cylinder 30 of the roller stopper are formed of a synthetic resin material is attached to a caster body pivoted with a roller holder 9 having an attaching part onto an attached body 4 in the roller shaft 8 for interconnecting rollers 7, the roller clutch 11 with its rear end side locked slidably inside the support cylinder 30 is advanced or retreated radial-directionally by oscillating rotation of the roller stopper, and a braking part of the roller clutch 11 is locked or separated to/from a braking receiving part 13 in an inner circumferential face of the each roller 7.


Inventors:
YOKOYAMA MASATAKA
Application Number:
JP1999000115733
Publication Date:
October 31, 2000
Filing Date:
April 23, 1999
Export Citation:
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Assignee:
INABA SEISAKUSHO LTD
International Classes:
A47B91/00; B60B33/00; (IPC1-7): B60B33/00; A47B91/00
Attorney, Agent or Firm:
Youichi Oshima