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Hinge motion regulator for eyeglasses
   
Document Number
US Patent 4951349
Issued Date
August 28, 1990
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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.
Drawing
Hinge motion regulator for eyeglasses - US Patent 4951349 Drawing
Drawing from US Patent 4951349
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Number of Claims:
24
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Owner
Published
August 28, 1990
Application Number
07/233,802
Filed
August 19, 1988
US Classification
16/228   16/337 16/340 16/342 351/113 351/121 351/153
Int'l Classification
E05D   11/08   (20060101)   E05D   11/00   (20060101)   G02C   5/22   (20060101)  
Assistant Examiner
Attorney/Law Firm
Priority Data
Aug 19, 1987 [DE] 3727706
USPTO Field of Search
16/228   16/273   16/337   16/338   16/339   16/342   16/340   351/113   351/121   351/153  
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