Hydraulic rams

Details Hydraulic rams Hydraulic rams

1979-12-06

1982-07-20

Hershkovitz, Abraham

Expansible chamber devices

Mutually relatively movable cylinder or sleeve, member...

With additional cylinder relatively slidable exteriorly of...

92128, F01B 720

Patent

active

043399894

ABSTRACT:
A multi-stage hydraulic ram is provided with telescopic ram tubes which are terminated by end assemblies which provide a working surface for hydraulic fluid under pressure and a sliding bearing on a next adjacent ram tube. Each of the end assemblies is so mounted on its associated tube and so dimensioned that removal of it from the tube and the ram in an axial direction can be carried out without obstruction from the end assembly of the next adjacent ram of smaller diameter.

REFERENCES:
patent: 1928533 (1933-09-01), Goss
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patent: 2517153 (1950-08-01), Wood
patent: 2783744 (1957-03-01), Tennis
patent: 3007449 (1961-11-01), Fuehrer
patent: 3119455 (1964-01-01), Fuehrer
patent: 3136221 (1964-06-01), Walker
patent: 3172339 (1965-03-01), Quayle
patent: 3298463 (1967-01-01), McIntosh
patent: 3483798 (1969-12-01), Parrett
patent: 3722375 (1973-03-01), Sievenpiper
patent: 3934423 (1976-01-01), Haller
patent: 3939758 (1976-02-01), Faisandier

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