C - Chemistry – Metallurgy – 09 – D
Patent
C - Chemistry, Metallurgy
09
D
400/5050, 400/51
C09D 5/14 (2006.01) C08G 18/67 (2006.01) C09D 5/16 (2006.01) C09D 163/10 (2006.01) C09D 167/06 (2006.01) C09D 175/16 (2006.01)
Patent
CA 1184686
Abstract of the Disclosure Container handlers comprise a plurality of double-acting hydraulic cylinders to effect the various side shift, twist lock, tilt, height adjustment, and spread modes of operation. Separate control valves a hoses, entrained over the mast assembly having the attachment thereon, are required to effect such functions selectively. A programmed electro-hydraulic control circuit reduces the required number of hoses to two and provides a non-complex system which can be operated expeditiously. The control circuit for example, comprises a main control valve and a master switch, each movable between first and second positions, first and second switches each movable between a closed position connecting a power source to the master switch and an open position disconnecting the power source from the master switch, and a plurality of solenoid-actuated control valves, each connected to the main control valve and to the master switch for actuation to preselected first or second positions thereof in concurrent response to the main control valve being in one of its first or second positions, the master switch being in one of its first or second positions, and a respective one of the first and second switches being in its closed position.
383947
Riches Mckenzie & Herbert Llp
Scott Bader Company Limited
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