Adjustment mechannism for locking relatively movable parts of fu

Details Adjustment mechannism for locking relatively movable parts of fu Adjustment mechannism for locking relatively movable parts of fu

1994-02-17

1995-06-13

Saether, Flemming

Chairs and seats

Movable back

Tiltable

297302, 297328, 188167, A47C 1027

Patent

active

054235952

ABSTRACT:
An adjustment mechanism (1) is disclosed which has a locking assembly (2) and an actuator (3). The locking assembly (2) is self-contained because it is biased by a spring (12) which acts between a housing (11) for the assembly and clutch leaves (5(a), 5(b)). The actuator (3) has a cam rod (15) which does not take any part in the clamping action on the leaves (5(a), 5(b)). There is a large mechanical advantage in the actuator (3) because the cam surface (17) is formed from a cut-out in the rod (15). A single actuator (45) may be used for two or more locking assemblies. Depending on configuration of the cam surfaces (48, 49), exclusive operation of one locking assembly may be achieved.

REFERENCES:
patent: 1818334 (1931-08-01), Kazenmaier
patent: 4062587 (1977-12-01), Wolters
patent: 4364605 (1982-12-01), Meiller
patent: 4392686 (1983-07-01), Beer
patent: 4636004 (1987-06-01), Neomuller
patent: 4639514 (1987-09-01), Volkle
patent: 5066069 (1991-11-01), DeGelder

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