Self-equalizing piercing machine

Details Self-equalizing piercing machine Self-equalizing piercing machine

1990-09-06

1992-01-21

Phan, Hien H.

Cutting

Means to drive or to guide tool

Means to change datum plane of tool or tool presser stroke

83615, 83621, 83635, 836391, 83687, B26D 512, B26D 726

Patent

active

RE0337986

ABSTRACT:
A self-equalizing device for performing mechanical operations such as piercing and punching wherein the piston means forming the work ram is internally mounted within the proximal portion of a yoke body, the yoke body being in turn mounted for sliding or rolling displacement on a stationary base. A knock out slot for a pin type punch is provided in the external portion of the piston ram. Single and multiple action devices are disclosed.

REFERENCES:
patent: 1452224 (1923-04-01), Smith
patent: 3759130 (1973-09-01), Patterson
patent: 4073176 (1978-02-01), Paul
patent: 4098161 (1978-07-01), Bloch

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