Safety double protection device for machines having plural circu

Details Safety double protection device for machines having plural circu Safety double protection device for machines having plural circu

1976-03-08

1978-04-18

Scott, James R.

Electricity: circuit makers and breakers

Special application

Stationary feeler detects transient object

192130, H01H 316

Patent

active

040853039

ABSTRACT:
A protection device for use on machines which are hand-fed, for protecting the machine operator from accidentally and inadvertently moving his hands inwardly into the entrance opening of the machine for precluding the possibility of injury to the hands or arms. The device provides a plurality of safety devices connected to an electric circuit which feeds the operating motor and the operation of any one of these safety features will stop the machine.

REFERENCES:
patent: 3780242 (1973-12-01), Bendror
patent: 3949661 (1976-04-01), Greider

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