Miscellaneous hardware (e.g. – bushing – carpet fastener – caster – Casters – Wheels
Patent
1990-02-20
1991-05-14
Seidel, Richard K.
Miscellaneous hardware (e.g., bushing, carpet fastener, caster,
Casters
Wheels
16 47, 384281, 384296, 301122, B60B 3300
Patent
active
050143921
ABSTRACT:
A self-orientatable twin wheel which includes a support which supports a pivot upon which are mounted a pair of wheels. The pair of wheels are provided with hollow tangs into which the pivot is inserted. Bushes with inner and outer collars are interposed between the pivot and tangs. The inner and outer collars engage with grooves provided in the pivot and tangs.
REFERENCES:
patent: 4544425 (1985-10-01), Provolo
Brown Edward A.
Emilsider Meccanica S.p.A.
Josif Albert
Modiano Guido
Seidel Richard K.
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