Castors

Details Castors Castors

1981-05-20

1983-09-20

Bell, Paul A.

Miscellaneous hardware (e.g., bushing, carpet fastener, caster,

Casters

Frame

16 46, B60B 3300

Patent

active

044047070

ABSTRACT:
A castor comprises separately formed plastics fork halves 53 and 54 with inwardly extending bosses 76 and 77 formed for detachable bayonet interconnection and providing a hub for the castor wheel 50. The upper parts of the fork halves define with the upper and lower ball races 58 and 67 and securing cap 55 inner end outer ball bearing tracks for the swivelling movement of the castor.

REFERENCES:
patent: 3869105 (1975-03-01), Daniels
patent: 4043603 (1977-08-01), Bergmann
patent: 4097954 (1978-07-01), Christensen
patent: 4122580 (1978-10-01), Black
patent: 4153308 (1979-05-01), Tanner
patent: 4170384 (1979-10-01), Rotheiser
patent: 4318204 (1982-03-01), Black

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