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. 17, 1987
Filed:
Sep. 20, 1985
Applicant:
Inventors:
Toshimi Iizuka, Kanagawa, JP;
Shigeru Kamata, Tokyo, JP;
Assignee:
Canon Kabushiki Kaisha, , US;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B / ;
U.S. Cl.
CPC ...
350429 ; 350255 ;
Abstract
A lens moving device having an axially movable or rotatable sleeve fitted in a fixed sleeve, helix-like camming slot and groove formed respectively through the wall of the movable sleeve and in the inner surface of the fixed sleeve, and a guide pin radially extending from a lens cell into a cross point of the slot and groove, whereby the side edges of each of the helix-like camming slot and groove are made tapered surfaces, and the guide pin in the form of a singlet member or a plurality of concentric members is shaped to a truncated cone in contacting portions with the tapered surfaces of the slot and groove.