F - Mech Eng,Light,Heat,Weapons – 16 – F
Patent
F - Mech Eng,Light,Heat,Weapons
16
F
F16F 7/09 (2006.01) A47C 1/027 (2006.01) F16F 9/32 (2006.01)
Patent
CA 2378536
A damper (20) for damping motion between two relatively moveable members, such as pivotal motion between components in office chairs (10). The damper (20) includes an outer member (22) having an internal recess (23) with an inner surface (24) and a crosswise oriented hole (30) intersecting the recess (23), and an inner member assembly (32) moveable relative to the outer member (22) having a shaft (34) with a resilient friction member (38) mounted thereon. The resilient friction member (38) frictionally engages the inner surface (34) in an interference fit relationship thereby radially precompressing the resilient friction member (38). The resilient friction member (38) preferably has one or more protrusions (40) that may be axially or radially oriented.
La présente invention concerne un amortisseur (20) destiné à amortir un mouvement entre deux éléments relativement mobiles, tel qu'un mouvement de pivotement entre des composants de sièges de bureau (10). Cet amortisseur (20) comprend un élément extérieur (22) doté d'une cavité interne (23) avec une surface intérieure (24) et un trou traversant orienté (30) coupant la cavité (23), et un assemblage intérieur (32) mobile par rapport à l'élément extérieur (22) comportant un arbre (34) comprenant un élément de friction résilient (38) monté dessus. L'élément de friction résilient (38) engage la surface intérieure (34) de manière frictionnelle dans une relation d'ajustement serré ce qui provoque une compression radiale de l'élément de friction résilient (38). Cet élément (38) comporte, de préférence, une ou plusieurs protubérances (40) qui peuvent être orientées axialement ou radialement.
Beyene Samson
Thorn Richard P.
Lord Corporation
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
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