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:
Oct. 10, 1978
Filed:
Aug. 15, 1977
Applicant:
Inventor:
Shozo Iwasaki, Ebina, JP;
Assignee:
Primary Examiner:
Int. Cl.
CPC ...
G01N / ;
U.S. Cl.
CPC ...
73 81 ; 73 83 ;
Abstract
An apparatus for positioning a loading shaft of hardness tester prior to application of test load. A loading shaft position detector is provided for detecting the arrival of the loading shaft at a given position when elevating it, and the detector controls an electromagnetic means to check further continuation of the elevating operation of the loading shaft so that the loading shaft is set automatically at the given position. An electromagnetic clutch or brake serves as the electromagnetic means.