Ball driver for a threaded collar

Details Ball driver for a threaded collar Ball driver for a threaded collar

1989-06-21

1991-05-07

Smith, James G.

Tools

Wrench, screwdriver, or driver therefor

Handle clutched to head

811246, B25B 1300

Patent

active

050127047

ABSTRACT:
The driver is a wrenching socket having rotatable balls mounted in the wall of an axial bore. The balls are retained in the wall swaged material of the wall. The driver applies torque to a collar to be set in a joint by the balls acting on the walls of axial troughs of the collar. At a predetermined pre-load, the balls fail bark material of the collar between the troughs and plow through such material to develop circumferential furrows after which torquing ends.

REFERENCES:
patent: 751345 (1904-02-01), Saunders
patent: 1373617 (1921-04-01), Johnson
patent: 2023832 (1935-12-01), Fisher
patent: 2730000 (1956-01-01), Crittenden
patent: 3763725 (1973-10-01), Reiland
patent: 3798749 (1974-03-01), Duer
patent: 4051935 (1977-10-01), Nakayama
patent: 4383353 (1983-05-01), Stencel
patent: 4539872 (1985-09-01), Bochman, Jr.
patent: 4649727 (1987-03-01), Gray
patent: 4759237 (1988-07-01), Fauchet et al.

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