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. 28, 2001
Filed:
Dec. 17, 1998
Applicant:
Inventors:
Thomas J. Ellis, Wilmington, DE (US);
Edward A. McCormack, Chadds Ford, PA (US);
Harry L. Dickerson, Downingtown, PA (US);
Assignee:
Southco, Inc., Concordville, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16B 2/118 ; F16B 3/900 ;
U.S. Cl.
CPC ...
F16B 2/118 ; F16B 3/900 ;
Abstract
A captive screw attachable an upper panel, for attaching the upper panel to a lower surface, the lower surface having a threaded hole, the captive screw having a screw, a ferrule that attaches to the upper panel, a thin-walled, cylindrical hollow knob and protrusions integral to the outer perimeter of the head portion of the screw to rigidly secure the perimeter of the head of the screw to the inner surface of the knob, the protrusions providing a press-fit of the screw to the inner surface of the knob where the screw is pressed into the knob from the underside of the knob.