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:
Jan. 07, 2003
Filed:
Dec. 20, 1999
Glen Van Sant, Langhorne, PA (US);
Christopher John Killion, Huntingdon Valley, PA (US);
Joseph Freeman Spangler, III, Chesilhurst, NJ (US);
Sensar, Inc., Moorestown, NJ (US);
Abstract
The precision cable drive system of the present invention consists generally of a frame upon which is mounted the components of the drive. These include a motor having a drive shaft, a plurality of idler pulleys, a tensioner, and a drive pulley, to which the object being rotated is connected. A cable composed of woven polymer fibers is wrapped around the shaft of the motor and is stretched around the idler pulleys, the tensioner and the drive pulley. The drive is capable of rotating the drive pulley, and the load attached to it, by fractions of a degree, without play between the motor shaft and the drive pulley. The drives are used in a compact image steering device to rotate cameras and illuminators about two axis of rotation.