Screw connection for hinge parts

Details Screw connection for hinge parts Screw connection for hinge parts

2006-03-14

2006-03-14

Brittain, James R. (Department: 3677)

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

Hinge

Eyeglass hinge

C403S156000, C403S157000

Reexamination Certificate

active

07010831

ABSTRACT:
A screw connection for hinge parts, especially of an eyeglass frame, comprising a screw that interconnects the hinge parts that engage one inside the other and that have an upper hinge lobe, a lower hinge lobe, and at least one middle hinge lobe, the screw having a screw head and a screw shank that extends through a first through opening in the upper hinge lobe and extends through a second through opening in the middle hinge lobe, with a thread permitting the screw shank to be screwed into the lower hinge lobe, and comprising a sleeve that surrounds the screw shank, has elastic properties, and interacts with the upper and middle hinge lobes when the screw is in a screwed-in state, whereby the diameter (D2) of the second through opening is less than or equal to the diameter (D1) of the first through opening. The screw connection is distinguished by the fact that the screw (25) has at least one bearing surface for the sleeve (33) with at least one engaging surface (32) that is aligned in the direction of movement in which the screw (25) is unscrewed.

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