Screw fastening method

Details Screw fastening method Screw fastening method

1985-07-12

1987-02-03

Goldberg, Howard N.

Metal working

Method of mechanical manufacture

With testing or indicating

81470, B23Q 1700, B25B 23151

Patent

active

046399968

ABSTRACT:
An apparatus in which a threaded fastener is automatically attached to an article. The apparatus positions the threaded fastener in contact with the article and applies a torque thereon. A signal is generated indicating the torque level. The signal is compared to preset limits. Different preset torque limits are set for tapping threads in a hole in the article and securing the fastener thereto.

REFERENCES:
patent: 1744313 (1930-01-01), Kadow
patent: 2833321 (1958-05-01), Hautau et al.
patent: 3449001 (1969-06-01), Mullion
patent: 3746185 (1973-07-01), Gartner et al.
patent: 3965778 (1976-06-01), Aspers et al.
patent: 3973434 (1976-08-01), Smith
patent: 4501176 (1985-02-01), Sanders
IBM Technical Disclosure Bulletin, Pub: Oct. 1981, vol. 24, No. 5, pp. 25 & 26, Author, Westermann.

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