Miscellaneous hardware (e.g. – bushing – carpet fastener – caster – Casters – Detachable
Patent
1994-01-03
1995-04-25
Larson, Lowell A.
Miscellaneous hardware (e.g., bushing, carpet fastener, caster,
Casters
Detachable
16 31R, 16 38, 16 43, B60B 3300
Patent
active
054087236
ABSTRACT:
A swivel wheel assembly which is easy to assemble and convenient for use includes a tube plug inserted into a tube leg, a pivot pin inserted into the tube plug and a rotary member rotatably secured on the pin. The rotary member supports a shaft and pair of wheels. By using a hard material for the pin, a softer material for the rotary member and a still softer material for the tube plug, friction is reduced. The plug, pin and rotary member are assembled without the use of fasteners. The rotary member includes a resilient flexible member with a key received in a circumferential groove of the pivot pin.
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Julien Christine E.
Siesholtz Devon T.
Graco Children's Products Inc.
Gurley Donald M.
Larson Lowell A.
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