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:
Apr. 09, 1991
Filed:
Feb. 26, 1990
Applicant:
Inventors:
Keiichiro Nakai, Tokyo, JP;
Yoshinori Nakanishi, Chiba, JP;
Assignee:
Otis Elevator Company, Farmington, CT (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B66B / ;
U.S. Cl.
CPC ...
187 17 ; 187112 ; 310 15 ;
Abstract
An elastic body is provided upon a moveable element of a linear motor, the elastic body in sliding contact with the surface of a stationary element of the linear motor, the elastic body maintaining a predetermined minimum air gap between the moving and stationary elements. A sweeping material is attached upon a portion of the elastic body which contacts the stationary element. Preferably the sweeping material is a woven or non-woven fabric, such as felt or the like.
Nakai, Keiichiro. (1991). Air gap apparatus for a linear motor (U.S. Patent No. 5005672). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5005672
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile