Hydraulic press

Details Hydraulic press Hydraulic press

1989-03-09

1990-05-01

Jones, David

Metal deforming

With means to drive tool

Including screw-actuated tool support

72449, 7245303, 100231, 100270, 100289, B21J 918

Patent

active

049207830

ABSTRACT:
An hydraulic press having a fixed tool carrier, a movable tool carrier, and a first rotatable shaft for generating movement of the movable tool carrier towards and away from the fixed tool carrier. The first shaft has its axis aligned with the direction of the movement of movable tool carrier, and a second rotatable shaft extends transverse to said first rotatable shaft, there being a drive transmission coupling said first and second shafts. An angularly movable, manual operating lever has, a centering device urging said lever to a central, rest position from which said lever is movable manually in opposite angular directions, and, there is provided a coupling mechanism for coupling said lever to said second shaft during angular movement of the lever in either direction from said central, rest position, said shaft being rotatable relative to said lever in said central, rest position.

REFERENCES:
patent: 1774148 (1930-08-01), May
patent: 1850073 (1932-03-01), Countryman
patent: 1869225 (1932-07-01), Sircoulomb
patent: 2774217 (1956-12-01), Ashton
patent: 3178958 (1965-04-01), Beck
patent: 3468173 (1969-09-01), Fracke
patent: 3686922 (1972-08-01), Bley
patent: 4448119 (1984-05-01), Williamson

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