Spring hinge assembly having a tension bar for energizing the sp

Details Spring hinge assembly having a tension bar for energizing the sp Spring hinge assembly having a tension bar for energizing the sp

1996-10-22

1998-11-24

Dang, Hung X.

Optics: eye examining, vision testing and correcting

Spectacles and eyeglasses

Temples

351153, 16228, G02C 516, G02C 522

Patent

active

058415084

ABSTRACT:
A spring hinge assembly, especially for a temple of a pair of glasses, provides high wearing comfort in glasses, and includes a tension bar, a spring, a joint, and first and second abutments. The tension bar engages the first abutment which in turn engages the spring, and with its tension bar head cooperates in such a manner with the second abutment fixed to the joint so that beyond a predetermined opening angle of the spring hinge, the tension bar moves the first abutment toward the joint under spring tension. Preferably, the movable first abutment and the spring are threaded onto the temple.

REFERENCES:
patent: 3654376 (1972-04-01), Lyons, Sr.
patent: 3923384 (1975-12-01), Leblanc
patent: 4747183 (1988-05-01), Drlik

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