Title:
CASTER
Document Type and Number:
Japanese Patent JP2004050946
Kind Code:
A
Abstract:
To provide a caster for suppressing shock noise generated when the caster passes over a joint groove, and suppressing generation of noise by rumbling noise when a caster wheel rolls on a floor.
A main wheel 3 of a caster is rotatably and pivotably supported by a bracket 11 fitted to a bottom side 91 of a body 9 of the caster, and a supporting arm 4 with a center C3 of rotation of the main wheel as a center C4 of rotation thereof is rotatably and pivotably supported. Sub wheels 5 and 5 are rotatably and pivotably supported by both ends of the supporting arm, and ground contact areas 32, 52 and 52 of the main wheel and the sub wheels are set on the same face F.
Inventors:
YAMAMOTO YOZO
Application Number:
JP2002210353A
Publication Date:
February 19, 2004
Filing Date:
July 19, 2002
Export Citation:
Assignee:
YAMAMOTO YOZO
International Classes:
A45C5/14; B60B33/00; (IPC1-7): B60B33/00; A45C5/14
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