F - Mech Eng,Light,Heat,Weapons – 25 – B
Patent
F - Mech Eng,Light,Heat,Weapons
25
B
138/88.1
F25B 15/16 (2006.01) F15B 15/16 (2006.01)
Patent
CA 1101757
ABSTRACT OF THE DISCLOSURE A telescoping hydraulic cylinder apparatus for elevator application, wherein telescoping cylinders and a piston rod extend or retract simultaneously, having a compensator pump for automatically replenishing fluid lost due to leakage from the upper cylinders of the apparatus. -17-
333523
Dover Corporation
Ridout & Maybee Llp
LandOfFree
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