Over-center knuckle-joint hinge

Details Over-center knuckle-joint hinge Over-center knuckle-joint hinge

1976-11-11

1978-10-03

Kee Chi, James

Miscellaneous hardware (e.g., bushing, carpet fastener, caster,

Sash balances

Spring

16145, 16163, 16166, E05D 1110

Patent

active

041175697

ABSTRACT:
A knuckle-joint over-center hinge, in combination with a first member for connection to a wall and a second member for connection to a door, and a first arm and a second arm, respectively, pivotaly linked to the first and second member, and an over-center mechanism forcing the hinge resiliently towards one of its end positions. The mechanism includes a closing spring having one end disposed and supported at the first arm which has a portion of U-shaped cross-section and a transverse wall. A pusher is displaceably mounted in the first arm, while the closing spring is disposed within the U-shaped portion and supports itself with its one end on the transverse wall, while the other end of the spring engages the pusher. The first member has a cam projection in the vicinity of the point where the first arm is pivotally linked to the first member, and the pusher supports itself on the cam projection.

REFERENCES:
patent: 3363281 (1968-01-01), Borsani
patent: 3470579 (1969-10-01), Cencioni
patent: 3991437 (1976-11-01), Friedrichs et al.

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