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:
Jul. 15, 2025
Filed:
Dec. 02, 2020
Applicant:
Renishaw Plc, Wotton-under-Edge, GB;
Inventors:
Finlay Jonathan Evans, Malmesbury, GB;
James Reynolds Henshaw, Stroud, GB;
Assignee:
RENISHAW PLC, Wotton-under-Edge, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03M 1/22 (2006.01); G01D 5/347 (2006.01);
U.S. Cl.
CPC ...
G01D 5/34738 (2013.01); G01D 5/3473 (2013.01); G01D 5/34784 (2013.01);
Abstract
A rotary scale apparatus for an encoder apparatus including a planar disc on which at least one track including scale features is provided, in which the planar disc includes a hole through its centre for receiving a cylindrical shaft, and in which the rotary scale member includes at least three cantilevered spring members which are provided substantially in plane with the planar disc and spaced around the edge of the hole, for engaging with, and radially locating the disc on, a cylindrical shaft inserted therethrough.