Miscellaneous hardware (e.g. – bushing – carpet fastener – caster – Hinge – Including means to hold or retard hinged members against...
Patent
1993-12-27
1996-10-22
Rachuba, M.
Miscellaneous hardware (e.g., bushing, carpet fastener, caster,
Hinge
Including means to hold or retard hinged members against...
E05D 1110
Patent
active
055664237
ABSTRACT:
An apparatus for retarding rotation of a pin member, comprising: a sleeve having a body and a chamber within the body, the sleeve body comprising first and second coaxial body segments, the first body segment including a reduced-diameter portion and the second body segment including a counterbore sized to receive the reduced-diameter portion, the reduced diameter portion being axially longer than the counterbore, such that a circumferential recess is formed when the reduced diameter portion is slidingly received in the counterbore;
a pair of aligned apertures in the body;
a shaft disposed through the apertures and adapted for rotation within the chamber;
viscous material surrounding the shaft and substantially filling the shaft and substantially filling the voids in the chamber;
and extensions on the shaft for engaging the viscous material and retarding rotation of the shaft in the chamber.
REFERENCES:
patent: 3118167 (1964-01-01), Morris et al.
patent: 3913050 (1975-10-01), Mikulecky
patent: 3994096 (1976-11-01), Holmgren et al.
patent: 4069545 (1978-01-01), Holet et al.
patent: 4414527 (1983-11-01), Biller
patent: 4506249 (1985-03-01), Huber et al.
patent: 4570146 (1986-02-01), Huber et al.
European Patent Application, Apr. 1989; No. 0311026.
Hassler Stephen P.
Johnson Stephen P.
Lapp John
Cooper Industries Inc.
Gurley Donald M.
Rachuba M.
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