F - Mech Eng,Light,Heat,Weapons – 15 – B
Patent
F - Mech Eng,Light,Heat,Weapons
15
B
214/17, 138/85
F15B 15/02 (2006.01)
Patent
CA 1274149
"SELF-LOCKING HYDRAULIC PIVOT DEVICE FOR INTERCONNECTING A SUPPORT CAGE TO A BOOM" ABSTRACT OF THE DISCLOSURE A hydraulic pivot device for pivotally connect- ing a support housing to a boom of the type secured to a vehicle. The hydraulic pivot device comprises a main housing having a gear-engaging piston which is axially displaceable in a piston cylinder provided therein. The piston has opposed piston heads and is sealingly dis- placed in the piston cylinder by fluid pressure applied at a selected one of opposed ends of the piston cylinder. The piston is also positively interlocked by the use of lock valves which are port-mounted at each end of the piston cylinder. A drive shaft having a drivable pinion gear is supported within the housing with a drivable pinion gear being in toothed engagement with a toothed section of the piston so that axial displacement of the piston will impart axial rotation to the drive shaft. The drive shaft has a connection section exteriorly of the housing which is in engagement with a connector element which is secured to the support housing for imparting controlled displacement thereof.
534049
Leduc Sylvain
Poudrier Bertrand
Thibault Francois
Posi-Plus Technologies Inc.
Swabey Ogilvy Renault
LandOfFree
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