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:
Sep. 14, 2004
Filed:
Mar. 26, 2002
Applicant:
Inventors:
Assignee:
Other;
Primary Examiner:
Int. Cl.
CPC ...
F16B 4/302 ;
U.S. Cl.
CPC ...
F16B 4/302 ;
Abstract
A fastener for members (M , M ) to be clamped with a certain spacing therebetween includes a nut ( ); a bolt ( ); and a moveable collar ( ) having in an inner bore thereof a torque transmitting device capable of transmitting torque of the bolt, which is axially inserted into the inner bore, to the movable collar through thread—thread engagement, and wherein a portion of the thread of the bolt includes special thread ridges ( ), by which a frictional force is imparted to the thread—thread engagement.