Hydraulic cylinder

Details Hydraulic cylinder Hydraulic cylinder

2006-10-17

2006-10-17

Kershteyn, Igor (Department: 3745)

Power plants

Pressure fluid source and motor

With control means for structure storing work driving energy

C060S469000, C092S060000, C092S08500R, C092S110000

Reexamination Certificate

active

07121089

ABSTRACT:
In a hydraulic cylinder having a shock absorbing function, and capable of stopping as desired by an accumulator disposed within a cylinder rod. The accumulator includes an accumulator piston that divides the cylinder rod interior into first and second cylinder rod chambers, gas hermetically charged into the second cylinder rod chamber, and an accumulation port that is communicated with the first cylinder rod chamber and flows the operating oil from outside into the first cylinder rod chamber.

REFERENCES:
patent: 3191506 (1965-06-01), Ledeen
patent: 3541952 (1970-11-01), Clar
patent: 3869861 (1975-03-01), Case
patent: 4381857 (1983-05-01), Cook
patent: 4859006 (1989-08-01), Philippe et al.
patent: 5024465 (1991-06-01), Baiker
patent: 1 236 384 (1971-06-01), None
patent: 1 306 609 (1973-01-01), None
patent: 2 000 227 (1979-01-01), None
patent: 49-104075 (1974-10-01), None

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