Fully retractable captive screw

Details Fully retractable captive screw Fully retractable captive screw

F - Mech Eng,Light,Heat,Weapons

16

B

F16B 41/00 (2006.01) F16B 5/02 (2006.01)

Patent

CA 2120576

A fully retractable captive screw that is low profile, having a snap-in feature allowing for installation of the device into a hole on a panel, by hand, without the need for separate tools. The fully retractable captive screw has a screw, a knob with a screwdriver recess on top, a cylindrical ferrule with attached snap-in mechanism, and a spring that causes the screw to retract into the ferrule when the screw is not engaged.

La présente invention se rapporte à une vis imperdable à profil bas entièrement rétractable comportant un élément de fixation par pression pour permettre l'insertion manuelle du dispositif à l'intérieur d'un trou pratiqué dans un panneau sans avoir à recourir à des outils particuliers. La vis imperdable à profil bas entièrement rétractable comporte une portion de vis surmontée d'une protubérance avec entaille pour tournevis, une virole cylindrique sur laquelle est monté l'élément de fixation par pression et un ressort qui entraîne le retrait de la vis dans la virole lorsque la vis n'est pas engagée.

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