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:
May. 06, 2008
Filed:
Jul. 16, 2003
Applicants:
David R Mcmurtry, Dursley, GB;
James R. Henshaw, Stroud, GB;
Alexander D. Ellin, Horsley, GB;
Inventors:
Assignee:
Renishaw PLC, Gloucestershire, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01D 21/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A rotary ring system for use in scale reading apparatus comprises a rotary ring (), provided with scale marks on its surface and at least one intermediate member (). The at least one intermediate member () is fitted between the rotary ring () and the machine part () on which the rotary ring is to be mounted. Application of a force to the at least one intermediate member adjusts the effective radius of the rotary ring. The at least one intermediate member may be tangentially compliant.