Drive control in an apparatus for assembling fastener elements

Details Drive control in an apparatus for assembling fastener elements Drive control in an apparatus for assembling fastener elements

1985-08-19

1987-02-24

Spruill, Robert L.

Elongated-member-driving apparatus

With control means responsive to sensed condition

227 15, A41H 3700, A41H 3710, B21J 1300

Patent

active

046451102

ABSTRACT:
In a garment-fastener-assembling apparatus, a drive mechanism for moving an upper or punch unit toward and away from a lower or die unit includes an air cylinder having a piston rod, and a toggle joint for transferring reciprocating motion from the piston rod to a punch of the upper unit as the toggle joint is contracted and extended. A contact member is mounted on the toggle joint so as to actuate a limit switch when the toggle joint is fully extended to a predetermined extent. The limit switch, upon actuation, produces an electrical signal for de-energizing the air cylinder to terminate the extension of the piston rod.

REFERENCES:
patent: 3117690 (1964-01-01), Anderson

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