Safety device of a hinge

Details Safety device of a hinge Safety device of a hinge

1981-07-28

1984-01-31

Silverberg, Fred

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

Hinge

Resiliently biased hinge

16307, 16308, 16334, 16374, E05F 112

Patent

active

044280955

ABSTRACT:
A safety device for a photocopy machine implemented by inserting a core bar rotatably into a fixed member, while the core bar rotatably supports a rotation member. A spiral spring is secured between the core bar and the rotation member, preventing the rotation of the core bar. A stopper member is placed between the core bar and the rotation member, the stopper member's position being maintained with the aid of a tension coil spring. If the spiral spring breaks, the stopper member shifts in a direction adapted to insert a projection of the stopper member into a detent on the rotation member and thereby prevent the falling of the rotation member.

REFERENCES:
patent: 972326 (1910-10-01), Brent
patent: 2713820 (1955-07-01), Horii
patent: 2991094 (1961-07-01), Baier et al.

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