Method and device for threading nut blanks

Details Method and device for threading nut blanks Method and device for threading nut blanks

1996-01-25

1998-03-31

Larson, Lowell A.

Threaded, headed fastener, or washer making: process and apparat

Apparatus for making internally threaded fastener, i.e., nut

Having tapper

470 18, B21D 5324

Patent

active

057331995

ABSTRACT:
A device for threading a nut blank includes an elongated guide member. Formed through the guide member is a bore. A recess is formed in the bottom end of the elongated guide member and is sized to receive a nut blank therein. A guide member holder, which includes a vertical wall and a pair of opposing horizontal walls, maintains the nut blank in the recess in the elongated member. A tap with a top end and a bottom end is adapted to be threaded through the guide member holder, through the guide member and into the nut blank. Removably secured to the top end of the tap is a tap handle for facilitating the threading of the tap into the nut blank.

REFERENCES:
patent: 1382835 (1921-06-01), Johnson
patent: 1971548 (1934-08-01), Wilcox
patent: 2015596 (1935-06-01), Harvey et al.
patent: 2050406 (1936-08-01), Wilson
patent: 2719461 (1955-10-01), Hawker
patent: 2756444 (1956-07-01), Schaeffer
patent: 2871492 (1959-02-01), Sciullo
patent: 3359581 (1967-12-01), Senediak
patent: 5062747 (1991-11-01), Chen
patent: 5203652 (1993-04-01), Woods

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