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. 15, 1983
Filed:
May. 10, 1982
Applicant:
Inventors:
Leonard N Wedman, Radford, VA (US);
Joseph A Bourque, Saratoga, CA (US);
Assignee:
Kollmorgen Technologies Corporation, Dallas, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02K / ;
U.S. Cl.
CPC ...
310 12 ; 310 14 ;
Abstract
A bearing structure for use in a linear motor or actuator including only a single guide rod in combination with a freely moving ball bearing. When used in a permanent magnet motor, the magnetic flux of the motor is used to preload the ball bearing to maintain a relatively constant bearing loading and to maintain the ball bearing in position.
Wedman, Leonard. (1983). Dynamic magnetic preload bearing structure for a linear motor (U.S. Patent No. 4415821). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4415821
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile