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. 17, 1984
Filed:
Nov. 08, 1982
Applicant:
Inventor:
Robert E Zimmer, Niles, IL (US);
Assignee:
Buehler Ltd., Lake Bluff, IL (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B25B / ;
U.S. Cl.
CPC ...
5123 / ; 511311 ; 511313 ; 403348 ;
Abstract
A chuck for suspending a specimen holder from a vertical drive shaft to permit the specimen holder to be rotated about the axis of the drive shaft and also pressed downwardly against an abrasive platen or the like which may also be rotated in the same or opposite direction, the chuck being biased to its locking position by a spring and being releasable through manual rotation of a sleeve member to overcome the spring force.