Method and apparatus for screwing a nut onto a stud

Details Method and apparatus for screwing a nut onto a stud Method and apparatus for screwing a nut onto a stud

1997-11-10

1999-05-04

Hail, III, Joseph J.

Metal working

Method of mechanical manufacture

With testing or indicating

2940702, 2940701, 29707, 29714, B23Q 1700

Patent

active

058989862

ABSTRACT:
To align an aperture (16) in a nut (12) with a hole (18) in a threaded stud (14), the nut (12) is rotated on the stud (14) to move the aperture (16) over the hole (18). Light is projected into the aperture (16) as the aperture (16) approaches the hole (18). The light is sensed when it projects from the aperture (16) through the hole (18) upon movement of the aperture (16) into alignment with the hole (18). Rotation of the nut (12) is stopped in response to sensing of the light.

REFERENCES:
patent: 3712750 (1973-01-01), Healy
patent: 3765075 (1973-10-01), Olney, Jr. et al.
patent: 3799680 (1974-03-01), Weisner
patent: 3856414 (1974-12-01), Menary
patent: 5590456 (1997-01-01), Armington et al.

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