Temple biasing eyeglass spring hinge

Details Temple biasing eyeglass spring hinge Temple biasing eyeglass spring hinge

1986-12-29

1988-05-31

Silverberg, Fred

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

Hinge

Eyeglass hinge

16301, 351113, G02C 522

Patent

active

047471832

ABSTRACT:
A spring hinge for eyeglasses in which each bow can be swung out against spring force about a fulcrum spaced from the hinge axis so that the bow will resiliently bear on the temples of the wearer. A spring is secured on a plunger rod between a plunger head at one end of the rod and a stop ring, which is slidably mounted on the rod. The plunger is contained in and releasably locked to a receptacle which is provided on the bow. The plunger rod is connected to a bow-side bearing eye. Owing to that arrangement, the bow-side hinge member and the parts connected to it can be assembled and taken apart by access to only one end of the receptacle.

REFERENCES:
patent: 2874609 (1959-02-01), Ducati
patent: 3034402 (1962-05-01), Alberetti
patent: 4005930 (1977-02-01), Guenin
patent: 4222148 (1980-09-01), Zellweger et al.
patent: 4351086 (1982-09-01), Drlik
patent: 4461548 (1984-07-01), Drlik

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