Anchoring device for a threaded member

Details Anchoring device for a threaded member Anchoring device for a threaded member

1994-06-09

1996-02-13

Wilson, Neill R.

Expanded, threaded, driven, headed, tool-deformed, or locked-thr

Having separate expander means

Including sleeve and distinct tapered expander

411 73, 411901, 411908, F16B 1306

Patent

active

054907500

ABSTRACT:
An anchoring device for anchoring a threaded member in a substrate material includes a plastic anchoring sheath for receiving the screw. The plastic anchoring sheath includes annular anchoring ribs formed around a body portion of the anchoring sheath and at least three longitudinal ribs extending along at least a portion of the body portion of the anchoring sheath preferably parallel to a longitudinal axis of the anchoring sheath. The longitudinal ribs extend outwardly from the anchoring sheath and lie in different planes which intersect at the longitudinal axis of the anchoring sheath. The anchoring sheath preferably includes top and bottom regions which have no annular or longitudinal ribs. The plastic anchoring sheath may be coated with a resilient, elastomeric coating.

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3 sheets of information pertaining to buttress threads copied from an engineering handbook. Pp. 1327, 1327, 1330, 1331, 1332, 1333.

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