B - Operations – Transporting – 27 – L
Patent
B - Operations, Transporting
27
L
144/78
B27L 7/00 (2006.01)
Patent
CA 1084814
ABSTRACT OF THE DISCLOSURE A machine for carrying out operations in which a tool is forced against a supported workpiece has a frame comprising a base and a pair of laterally spaced uprights secured to and extending upwardly from the base, each upright having a vertically extending groove facing the other upright. A crosshead extends between the uprights with opposite ends received in the grooves for vertical movement therein. A beam is pivotally mounted between its ends at the top of one of the uprights for pivotal movement about a horizontal axis perpendicular to the distance between the uprights, the beam having one end above the crosshead and pivotally connected thereto and an opposite end laterally outward of the upright upon which the beam is pivoted. A fluid pressure operated double-acting ram has an upper end pivotally connected to the opposite end of the beam, and a lower end pivotally connected to a lower part of the frame. The ram is extensible by fluid under pressure to cause pivoting of the beam in one direction with consequent downward movement of the crosshead and is also contractable by fluid under pressure to cause pivoting of the beam in the opposite direction with consequent upward move- ment of the crosshead. The crosshead carries a tool for carrying out an operation on a workpiece supported on the base when the ram is extended to cause downward movement of the crosshear and the tool.
304807
A. J. Fors & Associates
Margani Antonio
LandOfFree
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