Device for turning a machine unit past a dead center

Details Device for turning a machine unit past a dead center Device for turning a machine unit past a dead center

F - Mech Eng,Light,Heat,Weapons

15

B

138/78

F15B 9/17 (2006.01) B27L 1/00 (2006.01)

Patent

CA 1071973

A DEVICE FOR TURNING A MACHINE UNIT PAST A DEAD CENTER Abstract of the Disclosure An arrangement in machines comprising a machine unit which is turnable about an axis and a hydraulic motor so arranged and coupled to the turnable machine unit that the point in which the hydraulic motor is coupled to the machine unit passes a dead center when rotating said machine unit from a swing in one sense of rotation to a swing in the opposite sense of rotation about said axis. Means are provided and adapted, when actuated by a limit position sensing device sensing said dead center, to reverse the direction of flow of pressurized fluid between the hydraulic motor and a source of pressurized fluid or a tank for such fluid.

289987

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