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. 13, 2001
Filed:
Jul. 30, 1999
Applicant:
Inventors:
Stephen P. Graber, Lakewood, CA (US);
Stephen A. Harris, Montclair, CA (US);
Assignee:
Adams Rite Manufacturing Co., Pomona, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G05G 5/06 ;
U.S. Cl.
CPC ...
G05G 5/06 ;
Abstract
Apparatus to provide controlled frictional resistance to cyclic displacement of a member, comprising a base, a friction part frictionally and slidably engagable with base, in response to displacement of member, at least one spring element transmitting force acting to hold part in frictional engagement with the base, one of friction part and base having a friction surface engaged with the other of part and base, and characterized in that the force to overcome friction between the base and part remains substantially constant over a large number of displacement cycles of the member.