Reciprocating device for movable member

Details Reciprocating device for movable member Reciprocating device for movable member

1992-03-30

1993-05-18

Moore, Richard E.

Closure fasteners

Bolts

Spring arm

292DIG4, 74574, E05B 4700

Patent

active

052114317

ABSTRACT:
A reciprocating device for a movable member includes: a stationary member; a movable member held by the stationary member in such a manner as to be able to reciprocate; a biasing device provided between the movable member and the stationary member and adapted to bias the movable member in at least one of the reciprocating directions of the movable member; and a lock device for stopping the movable member in the course of its reciprocation, the lock device including: a cam groove formed on either the stationary member or the movable member and extending around a heart-shaped island; a lock pin having a base end section rotatably supported by either the stationary member or the movable member on which the cam groove is not formed and a tip end section bent toward the bottom of the cam groove; and a pressing device for pressing the tip end section of the lock pin toward the bottom of the cam groove, the pit section of the heart-shaped island of the lock device being equipped with a tapered surface inclined toward the bottom of a stop section of the cam groove, the tip end section of the lock pin being bent at an angle corresponding to the inclination of the tapered surface of the pit section of the heart-shaped island.

REFERENCES:
patent: 4688695 (1987-08-01), Hirohata
patent: 5072974 (1991-12-01), Henne
patent: 5121521 (1992-06-01), Hagiwara et al.

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