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:
Mar. 07, 1978
Filed:
Apr. 05, 1976
Applicant:
Inventor:
Tohru Yoda, Yokohama, JA;
Assignee:
Nifco Inc., Tokyo, JA;
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16B / ;
U.S. Cl.
CPC ...
85 80 ;
Abstract
This invention provides a plastic screw grommet which comprises in combination a flange head, a leg having a polygonal (tetragonal) section and perpendicularly extending downwardly from the underside of the said flange head, depressions formed centrally on the sides of the said leg in the surface layer thereof, rigid engaging projections are joined throughout their length and formed to rise from the bottoms of the said depressions, a screw aperture extends inwardly from the topside of the flange head along the axis of the leg and grooves extend radially from the inner wall of the said screw aperture to a point adjacent the corners of said leg.