Miscellaneous hardware (e.g. – bushing – carpet fastener – caster – Sash balances – Spring
Patent
1982-02-05
1984-04-10
Silverberg, Fred A.
Miscellaneous hardware (e.g., bushing, carpet fastener, caster,
Sash balances
Spring
16DIG30, 411373, F16D 106
Patent
active
044412304
ABSTRACT:
A molded knob of the type which frictionally engages and slips over the end of a shaft of generally circular cross section and having at least one longitudinally extending flat surface. A hub is formed as part of the knob. A shaft receiving walled socket is formed in the hub. The socket has a flat wall adapted to engage the shaft. Side walls extending from the flat wall are positioned to contact the curved wall of the shaft. Abutments are located at the ends of the side walls distal from the flat wall and are positioned to engage the shaft. A resilient finger is located in the socket opposite the flat wall between the abutments and positioned to engage and apply pressure to the curved outer surface of the shaft. The abutments are dimensioned to engage the shaft to limit deflection of the resilient finger beyond that necessary to apply a force to the shaft.
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Silverberg Fred A.
The Grigoleit Company
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