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:
Jun. 19, 2001
Filed:
Sep. 14, 1999
Applicant:
Inventor:
Stephen Charles Bartlett, Bridgnorth, GB;
Assignee:
GKN Technology Limited, , GB;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16H 6/300 ; F16H 7/18 ; F16H 7/00 ;
U.S. Cl.
CPC ...
F16H 6/300 ; F16H 7/18 ; F16H 7/00 ;
Abstract
A rotary device comprising two elements (,) supported for rotation about an axis (,) and movable relative to one another along said axis, and diaphragm spring means (,) urging said elements axially relative to one another, said diaphragm spring means having radially inner and outer portions connected respectively to said elements and arranged such that said elements are constrained to movement in opposite directions by the same or substantially the same distance as one another about an axially fixed position.