Apparatus for assembling a pair of fastener elements

Details Apparatus for assembling a pair of fastener elements Apparatus for assembling a pair of fastener elements

1986-07-10

1987-10-13

Goldberg, Howard N.

Metal working

Means to assemble or disassemble

Means to drive self-piercing work part

29432, 29708, B23P 1900, B23P 1100, B23Q 1500

Patent

active

046989056

ABSTRACT:
A fastener-assembling apparatus has a safety device including a vertically movably safe-confirmation member which is normally disposed in its lowermost position in which the gap between the safe-confirmation member and a die is substantially equal to the thickness of a garment fabric. In its lowermost position, the safe-confirmation member maintains a limit switch closed to continue a power supply to a drive for a punch. When the operator's finger or a tool is inadvertently inserted into the gap between the safe-confirmation member and the die, the safe-confirmation member is raised to open the limit switch to discontinue the power supply to the punch.

REFERENCES:
patent: 4044445 (1977-08-01), Douri
patent: 4135287 (1979-01-01), Silverbush
patent: 4391358 (1983-07-01), Haeger
patent: 4586248 (1986-05-01), Ho
patent: 4598468 (1986-07-01), Yosheida

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