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:
Nov. 03, 1992
Filed:
Dec. 17, 1990
Applicant:
Inventors:
Hitoshi Tanaka, Tokyo, JP;
Katsumori Kikuchi, Tokyo, JP;
Assignee:
Asahi Kogaku Kogyo Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B / ;
U.S. Cl.
CPC ...
359823 ; 359694 ;
Abstract
An engaging mechanism of a stepped guide groove having an inner narrow groove portion and an outer wide groove portion and a roller which is provided with an outer larger diameter portion which is fitted in the outer wide groove portion and an inner small diameter portion which is fitted in the inner groove portion with a clearance therebetween so as not to come into contact with the wall surface of the inner narrow groove portion.
Tanaka, Hitoshi. (1992). Engaging mechanism of roller and guide groove in optical element (U.S. Patent No. 5161066). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5161066
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile