Composite torque hinges

Details Composite torque hinges Composite torque hinges

1997-10-24

2000-06-06

Reichard, Lynne

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

Hinge

Including means to hold or retard hinged members against...

16303, E05F 102

Patent

active

060702982

ABSTRACT:
According to the invention, in order to obtain hinges which, even if small-sized, can create a great rotational torque and, moreover, permit ready alignment of details with the rotational moment of an opening/closing body, such as a lavatory seat or lid or accentuation of any part of the action thereof, there is provided a pair of composite torque hinges each consisting of; a rotating cylinder disposed to be rotatable around a fixed shaft; a cam mechanism which is provided within the rotating cylinder and on which a compression spring is caused to work so as to control the rotational torque of the rotating cylinder; and a torsion spring which is also provided within said rotating cylinder and functions in a direction to cancel the rotational torque of the rotating cylinder in a specific rotational direction.

REFERENCES:
patent: 571133 (1896-11-01), Hoffman
patent: 4215449 (1980-08-01), Loikitz
patent: 5109571 (1992-05-01), Ohishima et al.
patent: 5398378 (1995-03-01), Lin
patent: 5572768 (1996-11-01), Daul

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