Threaded fastener

Details Threaded fastener Threaded fastener

1992-03-30

1993-05-04

Wilson, Neill R.

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

Externally threaded fastener element, e.g., bolt, screw, etc.

Multipart

411403, 411410, 206338, 295251, F16B 2300, F16B 3502

Patent

active

052075451

ABSTRACT:
A threaded fastener that includes a drive head having a recessed region and a threaded shaft that is mechanically and radially attached to the drive head is improved to comprise a drive portion. The drive portion is mechanically attached to the opposite end of the threaded shaft as a drive head and has a geometric shape that is a mating image of the recessed portion of the drive head and is on the same axis as the drive head. With such a configuration, the drive portion of one threaded fastener can be mechanically coupled to the recessed region of another threaded fastener in a stacked fashion such that one threaded fastener is used to drive another threaded fastener into a threaded receptacle.

REFERENCES:
patent: 2366510 (1945-01-01), Frank
patent: 4848405 (1989-07-01), Albrecht
patent: 4878794 (1989-11-01), Potucek
patent: 4998452 (1991-03-01), Blum

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