Self-driven nut and joinders incorporating it

Details Self-driven nut and joinders incorporating it Self-driven nut and joinders incorporating it

1987-04-10

1989-01-31

Smith, Gary L.

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

Internally threaded fastener element, e.g., nut, etc.

Multipart

411433, 411438, 411427, 411289, F16B 3700

Patent

active

048012319

ABSTRACT:
A self-driven nut having a relatively rotatable nut portion and anchor portion which are threadedly joined together. A spring rotatably biases them for relative rotation in one sense. A latch is provided to hold them against rotation with the spring compressed to store energy. Release of the latch enables the spring to drive the portions and torque down the nut.

REFERENCES:
patent: 179994 (1876-07-01), Brallier
patent: 518165 (1894-04-01), Thalaker
patent: 581551 (1897-04-01), Green
patent: 582424 (1897-05-01), Hunt
patent: 1879421 (1932-09-01), Nalle
patent: 2587560 (1952-02-01), Widmer
patent: 4648293 (1987-03-01), McCauley
patent: 4692078 (1987-09-01), Dessouroux

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