Hydraulic cylinder

Details Hydraulic cylinder Hydraulic cylinder

1988-07-18

1989-12-26

Focarino, Margaret A.

Expansible chamber devices

Piston with rigid axially extending hollow stem

Hollow stem forms axially extending fluid passage

92137, 92146, 92161, 91170R, 187 9E, 187 9R, F01B 3100, B66B 920

Patent

active

048890383

ABSTRACT:
A hydraulic cylinder comprising a hollow sleeve, having inserted in it, a hollow piston rod. The hollow sleeve further contains an opening allowing hydraulic fluid to pass therethrough and into the hollow piston rod. At the end remote to the opening, a mounting mechanism is contained. On the end proximate the mounting mechanism, a fluid outlet is contained. In use, hydraulic fluid passes through the opening of the hollow sleeve, into the piston rod, and out of the piston rod proximate the mounting mechanism.

REFERENCES:
patent: 3534664 (1969-03-01), Ulinski
patent: 4294572 (1981-10-01), Pattison
patent: 4592449 (1986-06-01), Sakata et al.

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