Electricity: circuit makers and breakers – Special application – Actuated concurrently with operation or use of art device
Patent
1979-05-24
1981-04-28
Scott, James R.
Electricity: circuit makers and breakers
Special application
Actuated concurrently with operation or use of art device
200 617, H01H 316
Patent
active
042647932
ABSTRACT:
In a machine which includes a motor and a housing, and wherein the machine is adapted to be connected to a source of supply of power for energizing the motor, and the housing has an opening formed therein and a door pivotably movable between a closed position and an opened position for respectively covering and uncovering the opening, there is provided safety control apparatus including a manually inaccessibly mounted switch which is operable in a power-on mode permitting motor energization and a power-off mode preventing motor energization. The safety apparatus also includes an actuator which is pivotably attached to the housing and disposed in engagement with the switch, and includes a cam follower movable between a first position, wherein the actuator is disposed for operation of the switch in its power-on mode, and a second position, wherein the actuator is disposed for operation of the switch in its power-off mode.
REFERENCES:
patent: 2421709 (1947-06-01), Miller
patent: 2771526 (1956-11-01), Claras et al.
patent: 3384722 (1968-05-01), Hanke et al.
patent: 3504144 (1970-03-01), Horner
patent: 3602662 (1971-08-01), Haller
patent: 3689718 (1972-09-01), Gorsuch
patent: 4201901 (1980-05-01), Schuchert
Pitney Bowes Inc.
Scott James R.
Scribner Albert W.
Soltow, Jr. William D.
Walker Donald P.
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