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:
Jan. 09, 1990
Filed:
Feb. 06, 1989
Applicant:
Inventor:
Robert E Anderson, Huntington Station, NY (US);
Assignee:
Grumman Aerospace Corporation, Bethpage, NY (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16B / ;
U.S. Cl.
CPC ...
403374 ; 244123 ; 244132 ; 4034091 ;
Abstract
The invention relates to an expansion fastener device that secures two interlocking members together. The device includes a parallelepiped receptacle having slits along opposite ends. The receptacle is inserted through the interlocking members and double wedges are driven into the receptacle. The double wedges includes a first wedge having tapers in the vertical direction and its insertion into receptacle causes only vertical expansion of the receptacle. A second horizontal tapered wedge is received with a horizontal tapered opening formed in the first wedge to cause independent expansion of the recess in the horizontal direction.