Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
FRONT FRAME FOR EYEGLASSES HAVING ATTACHED RIM COVER
Document Type and Number:
WIPO Patent Application WO/2016/113773
Kind Code:
A1
Abstract:
[Problem] To provide a front frame for eyeglasses having attached rim covers in which the thickness of the frame in the forward/rearward direction or in the rim outer/inner direction can be suppressed and a protruding portion of the lens is not easily damaged even when the eyeglasses are subject to a shock during use, while also being able to firmly fix the rim cover to the rim so that the rim cover does not come off over a long period of time. [Solution] There is provided a front frame for eyeglasses having attached rim covers in which left and right rims 1, 1 having rim grooves 11, 11 into which protruding portions of the outer peripheries of lenses L are inserted, are inserted in and integrated together with fitting grooves 21, 21 of the rim covers 2, 2, wherein insertion holes 12, 22 communicating in the rim outer/inner direction while the rim 1 is fitted on the rim cover 2, are respectively provided in the rim 1 and the rim cover 2, and a shaft section of a rivet 3 is inserted from the outside of the rim cover 2 into the communicating insertion holes 12, 22, and furthermore the leading end part of the rivet 3 is crimped by plastic deformation and forms a plate-like crimped portion 32 along the bottom surface shape of the groove inside the rim groove 11 of the rim 1.

Inventors:
MASUNAGA SOTARO (JP)
Application Number:
PCT/JP2015/000120
Publication Date:
July 21, 2016
Filing Date:
January 14, 2015
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
MASUNAGA OPTICAL MFG CO LTD (JP)
International Classes:
G02C1/06; G02C13/00
Foreign References:
JPH09329772A1997-12-22
JPH07294854A1995-11-10
JPS6029723A1985-02-15
JPH08241577A1996-09-17
Attorney, Agent or Firm:
TOGAWA, KOJI (JP)
Koji Togawa (JP)
Download PDF: