Motors: expansible chamber type – Extension of unit having separately controlled working... – Control of motive fluid for one working member in response...
Patent
1975-11-11
1977-02-22
Maslousky, Paul E.
Motors: expansible chamber type
Extension of unit having separately controlled working...
Control of motive fluid for one working member in response...
91189R, F15B 1118
Patent
active
040086488
ABSTRACT:
A single-acting, three-stage, four-section telescopic ram for use in conjunction with a triple-lift type mast in a lift truck. The ram features an extremely low overall length when fully contracted, thus affording good operator visibility. The ram also is capable of producing surprisingly "high-lift" despite its low contracted profile. Further, the ram features an internal construction that produces constant lifting and lowering speeds for a load, as well as providing for positive control over the sequence of movements of parts in and on an associated mast.
REFERENCES:
patent: 2390702 (1945-12-01), Gail et al.
patent: 3188917 (1965-06-01), Quayle
Farmer Stanley E.
Faust Donald M.
Weinert Harry F.
Cascade Corporation
Maslousky Paul E.
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