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. 08, 1980
Filed:
Oct. 13, 1977
Applicant:
Inventors:
Marc Combette, Valence, FR;
Jean Luthringer, Paris, FR;
Assignee:
Societe de Prospection et d'Inventions Techniques, SPIT, Bourg-les-Valence, FR;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
F16B / ;
U.S. Cl.
CPC ...
85 84 ;
Abstract
An expansion core anchor comprising a cylindrical body having a head and a crural end, the head having an axial bore drilled into it wherein is lodged an expansion core, and at least one longitudinal slot formed in the crural end and defining therein two legs which are deformable upon driving-in of the expansion core. The slot is provided with at least a pair of internal projections, respectively adjacent two slot longitudinal edges situated on either side of the axial plane perpendicular to the slot median plane, for guiding the expansion core during driving thereof.