Safety device for machine having forceful reciprocation

Details Safety device for machine having forceful reciprocation Safety device for machine having forceful reciprocation

1981-09-21

1983-12-13

Herrmann, Allan D.

192 clutches and power-stop control

Stop mechanism

Safety device

F16P 312

Patent

active

044200714

ABSTRACT:
A safety device comprising an obstacle-detecting sensor and a plate cam pivotally coaxially mounted on a forceful reciprocation machine which has a stationary block and a reciprocating member adapted for vertical reciprocation thereto, the plate cam and the sensor being turned coextensively over a first angular range until the sensor reaches the stationary block and thereafter the plate cam alone continuing to be turned over a second angular range, whereupon a deflection formed on the periphery of the plate cam is brought into engagement with a switch roller thereby activating the reciprocating member.

REFERENCES:
patent: 1084897 (1914-01-01), Parkinson
patent: 1282452 (1918-10-01), Mountford
patent: 1370369 (1921-03-01), Scofield
patent: 1418525 (1922-06-01), Brower
patent: 1500337 (1924-07-01), Roth et al.
patent: 3292837 (1966-12-01), Heil et al.

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