Reusable one piece drive fastener

Details Reusable one piece drive fastener Reusable one piece drive fastener

1982-07-16

1984-12-18

Smith, Gary L.

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

Having separate expander means

Frangible member

411 60, 411 72, 411385, F16B 1308

Patent

active

044888430

ABSTRACT:
A fastener is disclosed which is installed quickly and easily the first time by simply driving a frangible drive pin. The drive pin has ribs which cooperate with grooves in an axially extending bore in the fastener body to limit distortion of the fastener due to rotational stresses imparted thereto by a tool engaging the head of the fastener. Subsequent to the initial installation of the fastener by the driving of the frangible drive pin the fastener is reusable in the same manner as a conventional threaded fastener.

REFERENCES:
patent: 3456547 (1969-07-01), Strong
patent: 3918130 (1975-11-01), Poe
patent: 4085651 (1978-04-01), Koscik

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