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:
Aug. 18, 1987
Filed:
May. 31, 1985
Applicant:
Inventors:
Shigeru Kamata, Tokyo, JP;
Toshimi Iizuka, Kanagawa, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B / ; G02B / ;
U.S. Cl.
CPC ...
350252 ; 350255 ; 350429 ;
Abstract
A lens mounting mechanism including a fixed tube, a lens holder, a movable sleeve in which the holder is fitted and responsive to operation of an actuator for axially moving the holder, an intermediate sleeve having a guide slot for controlling the movement of the holder in cooperation with the movable sleeve and an adjusting sleeve, the intermediate and adjusting sleeves lying between the fixed tube and the movable sleeve. The adjusting sleeve is rotatable relative to the fixed tube but is restrained from axial movement. By rotating the adjusting sleeve, the axial position of the intermediate sleeve can be finely adjusted.