Hinge motion regulator for eyeglasses

Details Hinge motion regulator for eyeglasses Hinge motion regulator for eyeglasses

1988-08-19

1990-08-28

Godici, Nicholas P.

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

Hinge

Eyeglass hinge

16337, 16340, 16342, 351113, 351121, 351153, G02C 522

Patent

active

049513494

ABSTRACT:
A motion regulator for a hinge such as, for example, a tripartite eyeglass hinge, with at least two hinge tabs and a hinge screw, a sleeve surrounding the hinge screw disposed in a hinge eye of the hinge tab. The sleeve projects beyond the hinge tab and rests against a neighboring hinge tab or tabs. In order to obtain an objective that a braking torque, determining the motion characteristics of the hinge, is substantially constant and independent of the tightening torque of the hinge screw, a spring-elastic element is arranged at least between the hinge tab wherein the sleeve is located and the hinge tab movable with respect to this hinge tab. The spring-elastic element, resilient in the axial direction with respect to the hinge screw axis, is in contact under a pretensioning with a contact surface of at least one hinge tab, which surface is rotationally symmetrical with respect to the hinge screw axis.

REFERENCES:
patent: 2288657 (1942-07-01), Splaine
patent: 2381011 (1945-08-01), Splaine
patent: 4018104 (1977-04-01), Bland et al.
patent: 4491436 (1985-01-01), Easton
patent: 4675940 (1987-06-01), Brockhaus

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