Implements or apparatus for applying pushing or pulling force – Fluid pressure – Vehicle attached
Patent
1986-06-12
1987-11-03
Watson, Robert C.
Implements or apparatus for applying pushing or pulling force
Fluid pressure
Vehicle attached
B66F 324
Patent
active
047039167
ABSTRACT:
Hydraulic jack with one-way Hydraulic Path in Association with safety pressure relief network, including a one-way valve in the hydraulic path, a plurality of steel balls, steel ball bumpers, compression springs, O rings and safety screws, to facilitate local control of the pressure in the hydraulic path. Correct current flow direction, and the realization of safely established pressure, is assumed by a more simple assembling procedure, at reduced costs and manhours.
REFERENCES:
patent: 3757523 (1973-09-01), Resuggan
Shinn Fu Corporation
Watson Robert C.
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