F - Mech Eng,Light,Heat,Weapons – 16 – D
Patent
F - Mech Eng,Light,Heat,Weapons
16
D
342/24
F16D 31/00 (2006.01) B66F 9/20 (2006.01)
Patent
CA 1252546
LIFT SYSTEM ABSTRACT OF THE DISCLOSURE: A hydraulic lifting and lowering system for battery-powered lift trucks includes an elelctronic control system which reduces or limits oper- ator selected lifting commands in accordance with the current being drawn by an electric motor connected to drive a variable-displacement pump, and in accordance with the state-of-charge of the vehicle battery, to control a proportional valve which meters fluid flow to a lift cylinder. - 1 -
502908
Mccabe Paul P.
Woolston James R.
Osler Hoskin & Harcourt Llp
Raymond Corporation (the)
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