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Elastic hinge for spectacle frame comprising a dumb bell shaped pivot pin

A technology for elastic hinges and spectacle frames, which is applied in glasses/safety glasses, glasses/goggles, optics, etc., and can solve problems such as scratches on the first joint lugs, increased manufacturing costs, and complex processing.

Inactive Publication Date: 2005-03-02
SIPAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This operation complicates machining and increases manufacturing costs
Additionally, the act of tightening or loosening the pivot pin can cause galling of the first joint lug

Method used

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  • Elastic hinge for spectacle frame comprising a dumb bell shaped pivot pin
  • Elastic hinge for spectacle frame comprising a dumb bell shaped pivot pin
  • Elastic hinge for spectacle frame comprising a dumb bell shaped pivot pin

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0016] See Figures 1 to 4 , an elastic hinge for a spectacle frame includes a first hinge part 1 and a second hinge part 3 respectively fixed to lugs and temples of the spectacle frame. The first hinge part 1 and the second hinge part 3 respectively have a first joint 21 and a second joint 7 provided with holes 23, 25A, 25B, when the second joint 7 engages on two lugs fixed to the first joint 21 21A, 21B so that the holes 23, 25A, 25B accommodate the pivot pin 5 when the holes are superimposed in the same axial direction A against the pressure of the spring 9 housed in one of the two hinge members. Inside the hinge 3.

[0017] In the specific example chosen to describe the invention, the first joint 21 is fixed to the first hinge part 1 and the second joint 7 is able to counteract the pressure of the spring 9 housed in this hinge part 3 within the housing of the second hinge part 3 Panning moves. The movable joint 7 is fixed to a slide 11 belonging to a mechanism comprisin...

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PUM

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Abstract

The invention concerns an elastic hinge for spectacle frame, comprising first and second hinge elements including respectively first and second charniers provided with perforations for receiving a pivot pin when the second charnier is engaged between two faces of the first charnier so as to cause the perforations to be superimposed along a common axial direction countering the compression of a spring housed in one of the hinge elements. The invention is characterized in that, the pivot pin comprises two heads and a body integral with both heads to be engaged in translation through the perforations of the charniers until both heads are received in the perforations of the two faces of the first charnier, the body forming relative to both heads a recess to be received in the perforation of the second charnier by offsetting the latter relative to the axial direction of the perforations of the first charnier countering the compression of the spring.

Description

technical field [0001] The present invention relates to an elastic hinge for a spectacle frame, in particular to an elastic hinge. The elastic hinge includes a first hinge part and a second hinge part. The first hinge part and the second hinge part respectively have a first hinge part provided with a hole. A joint and a second joint, the holes receiving the pivot pins when the second joint is engaged between the two lugs of the first joint so as to stack the holes in the same axial direction against the pressure of the spring, the spring Housed in one of the two hinge parts. Background technique [0002] A hinge of this type is known for example from document EP-A-345145. The pivot pin has a threaded portion for screwing into the threaded hole of one of the holes of the first joint. Threaded hole determines the minimum thickness of the lug of the joint in which the hole is formed. To reduce this thickness, if desired, for aesthetics, it is necessary to provide the hub to ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G02C5/22
CPCG02C5/2236G02C2200/30
Inventor 阿兰·凯尔让
Owner SIPAL