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. 10, 2011
Filed:
May. 13, 2008
Applicant:
Mark Powell, Santa Barbara, CA (US);
Inventor:
Mark Powell, Santa Barbara, CA (US);
Assignee:
Heidenhain Corporation, Schaumburg, IL (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01D 5/34 (2006.01); H01J 40/14 (2006.01);
U.S. Cl.
CPC ...
Abstract
An encoder device includes: a housing; a hub arranged in the housing, the hub arranged to carry an encoder disk, the hub rotatable in the housing; a cover that is axially movable between a first position and a second position; and a gapping and centering device arranged to urge the hub into a predetermined axial and radial position relative to a portion of the housing when the cover is in the first position, the gapping and centering device arranged to permit axial and radial movement of the hub when the cover is in the second position.