Automatic assembly apparatus for bolts and nuts

Details Automatic assembly apparatus for bolts and nuts Automatic assembly apparatus for bolts and nuts

1975-12-02

1977-09-20

Combs, E. M.

29240, 29407, 29705, 29714, 29720, B23P 1908, B23Q 1718

Patent

active

040486877

ABSTRACT:
Automatic assembling method to screw a nut on a bolt comprises steps of detecting a position of a bolt which is maintained by a supporter, and of positioning in rough a nut thereto by a positioning mechanism, in which the nut is supported by an attachment coupled with a motor through an elastic mechanism, which is capable of deformation in both directions of an axis and a radius. The nut, then is movably pressed against the bolt and rotated by the motor. When the nut is not screwed on the bolt, the positioning mechanism changes its position in two dimensions so that the nut is maintained movably pressed against the bolt and the nut is rotated again. The changing position of the positioning mechanism will be continued until the nut is screwed on the bolt.

REFERENCES:
patent: 2763173 (1956-09-01), Bailey et al.
patent: 2943335 (1960-07-01), Daniel et al.
patent: 3581375 (1971-06-01), Rottmann
patent: 3824674 (1974-07-01), Inoyama et al.
patent: 3885295 (1975-05-01), Engelberger et al.

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