Toggle-type punch drive apparatus

Details Toggle-type punch drive apparatus Toggle-type punch drive apparatus

1997-05-29

1999-06-29

Dexter, Clark F.

Cutting

Means to drive or to guide tool

With transmission yieldable on overload

83628, 83630, 72451, 100272, 100281, B26D 518

Patent

active

059163453

ABSTRACT:
The top and bottom ends of a pivoting lever, which is pivotable in the middle, are rotatably connected with a supporting component and a ram, respectively. A shuttle component is linked with the pivot point of the pivoting lever. The shuttle component drives the pivoting lever forcing it to pivot, and when the shuttle component reaches the midpoint of the stroke the pivoting is fully extended. The shuttle component is shuttled by way of a crank, utilizing a servomotor as the drive source. The ram drives the punching tool and is held by the frame in the way that it can readily make the up and down motion.

REFERENCES:
patent: 116420 (1871-06-01), Duff
patent: 3529502 (1970-09-01), Krynytzky et al.
patent: 3724308 (1973-04-01), Nichols
patent: 4301723 (1981-11-01), Borzym
patent: 4303012 (1981-12-01), McGlennon
patent: 4664004 (1987-05-01), Randall

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