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:
Dec. 24, 1991
Filed:
Oct. 23, 1990
Haruhiro Hyodo, Toyohashi, JP;
Minolta Camera Kabushiki, Osaka, JP;
Abstract
A lens driving device having a lens mount integrated with a lens as a unit, a drive rope with convex stripes on its surface, pulleys disposed on the lens mount and having gear tooth channels which engage the convex stripes formed on the drive rope, lens drive gears disposed on the lens mount and having a drive linkage to the pulleys respectively, and a lens guide member with a rack portion which engages with the lens drive gears. The pulleys rotate with the movement of the drive rope and the drive gears rotate interlocking with the rotation of the pulleys so as to move the lens mount along the lens guide member. In case of using a zoom lens with a zoom ring, the lens driving device has gear tooth channel formed on the zoom ring which engages with the convex stripes formed on the drive rope so as to rotate the zoom ring in accordance with the movement of the drive rope.