Spetacle frame spring hinge structure

A technology of spring hinges and spectacle frames, which is applied in glasses/goggles, optics, instruments, etc., and can solve problems such as fast wear of parts, performance failures, and friction
CN100374909CInactive Publication Date: 2008-03-12TECNO ITALANA HONG KONG
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Patent Information

Authority / Receiving Office
CN · China
Current Assignee / Owner
TECNO ITALANA HONG KONG
Publication Date
2008-03-12
Estimated Expiration
Not applicable · inactive patent

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Abstract

A spring hinge structure of spectacle frame, which contains a spring box, a joint held in spring box extending one end, at least a spring held in box, and a package element, said hinge structure can reducing the size of hinge, each element is respectively assembling without machine. Said invention can prevent the liquid plastics or solution permeating into spring box in injection moulding, friction in material, so to raise performance of spectacle frame.
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Description

technical field

[0001] The invention relates to a spring hinge structure, in particular to a spectacle frame spring hinge structure for connecting spectacle legs and spectacle frames. Background technique

[0002] The spring hinge structure of the spectacle frame is usually used to rotatably connect the spectacle legs and the spectacle frame, so that when the spectacle legs are not in use, the spectacle legs can be rotated to be folded into the spectacle frame, thereby facilitating the storage and carrying of the spectacle glasses, and can be used when wearing the spectacle glasses. The temples of the glasses are elastically opened to the outside, so that it is convenient and comfortable to wear the glasses.

[0003] International Patent Application No. WO97 / 41482 discloses a spring hinge structure for a spectacle frame, as shown in Figure 1, which includes a box body 100, a T-shaped pull rod 110 housed in the box body, and two springs 120 respectively located on both sides ...

Claims

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