Safety device for a press, a stamping machine, or the like

Details Safety device for a press, a stamping machine, or the like Safety device for a press, a stamping machine, or the like

1977-10-11

1979-10-23

Herrmann, Allan D.

192 clutches and power-stop control

Stop mechanism

Safety device

83399, 100 53, F16P 308

Patent

active

041717350

ABSTRACT:
A safety device for a press and the like machinery includes a safety deflector surrounding a tool carriage reciprocable along a path with respect to a fixed frame. The safety device also includes a limit switch associated with a door that defines part of the safety deflector. First and second contactless switches are located adjacent a work supporting surface and respectively sense the position of opposite surfaces of the workpiece to insure that the workpiece is within limits of the work supporting surface and the safety deflector. The switches are in a circuit leading to a machine clutch for the tool carriage to prevent operation when the door is open or either surface of the workpiece is outside prescribed limits of the deflector and the support surface.

REFERENCES:
patent: 2236730 (1941-04-01), MacBlane
patent: 4039060 (1977-08-01), Williams
patent: 4060160 (1977-11-01), Lieber

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