Fail safe press brake guard

Details Fail safe press brake guard Fail safe press brake guard

1975-08-29

1977-07-19

Scott, Samuel

192 clutches and power-stop control

Stop mechanism

Safety device

192129, 192130B, 100 51, F16D 900

Patent

active

040363430

ABSTRACT:
The press brake safety device includes a vertically movable guard for moving in advance of the press brake ram, a lightweight protector bar movably positioned on the lower edge of the guard for vertical upward movement and means operably connecting an actuation means for the ram to the ram drive means to control ram actuation. Air operated means connect to these ram drive means to render the same inoperable, and air operated control means connect the protector bar and the air operated means to actuate such last named means when the protector bar is moved upwardly in relation to the guard as the guard is being moved downwardly by actuation of the press brake for work engaging action.

REFERENCES:
patent: 2030976 (1936-02-01), Fairfield et al.
patent: 2683515 (1954-07-01), Hoan et al.
patent: 2888123 (1959-05-01), Madden
patent: 3213992 (1965-10-01), Gustafson et al.
patent: 3276557 (1966-10-01), Brown
patent: 3300009 (1967-01-01), Hess

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