Safety device for mechanical eccentric cam presses

Details Safety device for mechanical eccentric cam presses Safety device for mechanical eccentric cam presses

1978-03-01

1980-11-11

Bonck, Rodney H.

192 clutches and power-stop control

Stop mechanism

Safety device

100 53, 192134, 192149, F16P 318

Patent

active

042327733

ABSTRACT:
A safety device for a mechanical cam press having a ram attached to a vertically extending shaft arranged for reciprocating movement and utilizing a brake and clutch for controlling the reciprocating strokes of the cam, the shaft including a stepped edge engageable by a pair of retractable slides arrange for horizontally reciprocating movement to retain the shaft and therefore the ram in the top, dead center position against downward movement toward with switch means actuated by a tripping device responsive to an inadvertent downward movement of the shaft from the top, dead center position to thereby engage the brake and disengage the clutch for avoiding injury to the operator.

REFERENCES:
patent: 1596164 (1926-08-01), Eckert
patent: 2240630 (1941-05-01), Stacy
patent: 2946277 (1960-07-01), Archer
patent: 3225878 (1965-12-01), Estephanio
patent: 4138005 (1979-02-01), Schneider et al.

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