Fastening element with guide member

Details Fastening element with guide member Fastening element with guide member

1989-04-20

1990-08-14

Wilson, Neill R.

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

Torque responsive nut or bolt driving connection

Frangible connection

411368, 411394, 411441, 408202, F16B 1500, F16B 3100

Patent

active

049483129

ABSTRACT:
A fastening element to be driven into a hard receiving material, such as metal, includes a head at its trailing end and an axially extending shank projecting from the head to the leading end with a tip at the leading end. At least an axially extending section of the shank from adjacent the trailing end is threaded. A guide member is in threaded engagement with the shank and is spaced from the head when the fastening element is ready to be driven. The guide member is cup-like shaped with an opening facing toward the leading end. The guide member has a base extending transversely of the axial direction with a conically shaped section projecting radially outwardly from the base and axially toward the leading end. When the fastening element is driven into a receiving material, the guide member moves into contact with the head and is deformed when the driving of the fastening element is braked.

REFERENCES:
patent: 1677269 (1928-07-01), Burghart
patent: 2672069 (1954-03-01), Mitchell
patent: 3812757 (1974-05-01), Reiland

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