Hydraulic cylinder having a plurality of rods

Details Hydraulic cylinder having a plurality of rods Hydraulic cylinder having a plurality of rods

1982-04-09

1984-09-11

Wilhite, Billy J.

Presses

Reciprocating press construction

100209, 100269R, 100295, B30B 132, B30B 1504

Patent

active

044703465

ABSTRACT:
An hydraulic cylinder having a plurality of piston rods is disclosed. The cylinder comprises a cylindrical hollow member having a pair of end members to enclose the cylinder, a piston positioned between the end members is supported by a plurality of rods. An end of the rods is affixed to a base of a press supporting the piston in a fixed relationship to the base. The cylinder is movable along the rods and the piston, and a die is attached to the press having a movable portion attached to the cylinder end member and a fixed portion attached to the base. Movement of the cylinder in a first direction closes the die on a workpiece, and movement of the cylinder in a counter direction opens the die.

REFERENCES:
patent: 532529 (1895-01-01), Carr
patent: 699936 (1902-05-01), Thomas
patent: 751997 (1904-02-01), Prescott
patent: 2308889 (1943-01-01), McCune
patent: 2916987 (1959-12-01), Hanni
patent: 3568559 (1971-03-01), Fink
patent: 4027584 (1977-06-01), Sly

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