Miscellaneous hardware (e.g. – bushing – carpet fastener – caster – Casters – Spring supported
Patent
1993-10-19
1994-10-18
Rowan, Kurt C.
Miscellaneous hardware (e.g., bushing, carpet fastener, caster,
Casters
Spring supported
16 35R, B60B 3300
Patent
active
053555503
ABSTRACT:
A pivoting castor comprises a main body, a cross shaft, two wheeled members, a braking member, an elastic element, and a plug cover. The main body is provided with a receiving space, and a pivoting hole having respectively under both sides thereof a recessed arcuate collar block with a first contact portion. The two wheeled members are mounted on both ends of the cross shaft pivoted in the pivoting hole of the main body. The wheeled member is provided with a second contact portion engageable with the first contact portion to incapacitate the mobility of the wheeled members. The engagement of the first and the second contact portions is actuated by the elastic element received in the receiving space of the main body.
REFERENCES:
patent: 3914821 (1975-10-01), Screen
patent: 4455707 (1984-06-01), Screen
patent: 4731899 (1988-03-01), Huang
patent: 4821369 (1989-04-01), Daniels
patent: 5165141 (1992-11-01), Soltani
patent: 5259088 (1993-11-01), Yang
patent: 5276941 (1994-01-01), Chen
Mah Chuck Y.
Rowan Kurt C.
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