Captive screw

CAFC
  • US 6,468,012 B2
  • Filed: 07/24/2001
  • Issued: 10/22/2002
  • Est. Priority Date: 04/14/1998
  • Status: Expired due to Term
First Claim
Patent Images

1. A captive screw attachable to a panel, for attaching the panel to a surface, the surface having a threaded hole, the captive screw comprising:

  • a) a screw having a head portion and a shaft having at least a threaded portion, said head portion having an outer perimeter and a plurality of protrusions provided on said outer perimeter of said head portion;

    b) a knob having an inner surface, wherein said protrusions rigidly secure said head portion to said inner surface of said knob; and

    c) a ferrule having a first end and a second end through which said shaft extends, said ferrule having a panel attachment means at said first end to secure the captive screw to the panel.

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