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:
Aug. 08, 2000
Filed:
Dec. 21, 1998
Applicant:
Inventors:
Erik J Galis, Cranberry Township, PA (US);
Robert S Whitelaw, III, Grove City, PA (US);
Scott L Maxwell, Slippery Rock, PA (US);
Assignee:
Instron Corporation, Canton, MA (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
F16B / ;
U.S. Cl.
CPC ...
411538 ; 411275 ; 411936 ;
Abstract
The subject invention relates to an adjustable wedge washer to be used in connection with various material testing machines which are used to mechanically test the strength of bolts, screws and other types of fasteners. The subject adjustable wedge washer includes two wedge washers being joined together mechanically with a snap ring so that they are not separable. The wedge washers then rotate relative to each other to form a variable testing angle relative to the fastener.