The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 01, 2000
Filed:
Mar. 19, 1999
Shuichi Kawamoto, Osaka, JP;
Kawamoto Optical Industrial Co., Ltd., Osaka, JP;
Abstract
Eyeglasses having lenses, a lens frame, temples and hinges that connect the lens frame with the temples. The hinge parts are provided with elasticity or play. At the ends of the lens frame, hinge projections each having a deep hole and an elongated hole are established. At one end of each temple, a hinge thick part having two holes on the same axis is provided. A leaf spring is inserted in the deep hole, while a stem that runs through the elongated hole of the hinge projection and the two holes of the hinge thick part is provided so as to act on the leaf spring. The deep hole is the widest at its open end, and gets gradually narrower towards its deepest end. The leaf spring is preferably provided with a bendable part.