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. 02, 1980
Filed:
Jan. 18, 1978
Raymond J Hicks, Powys, GB;
John T Webb, Sunningdale, GB;
Wharton Engineers (Elstree) Limited, London, GB;
Abstract
The traction unit comprises two pairs or sets of two or more capstans. The capstans of each pair or set have a common axis and the axes of each pair or set are in spaced apart parallel relationship. One of the capstans of each pair or set is larger in diameter than the other or one of the other capstans of the respective pair or set of capstans. Cycloidal gears, preferably an epicycloidal gear drive, is provided between the capstans of each pair or at least two of the capstans of each respective set, with one of the capstans of one pair or set being strapped to a capstan of the other pair or set of capstans or a differential coupling/load-power transmission is provided between a capstan of one pair or set and a capstan of the other pair or set.