Motor vehicles – Special driving device – Portable track
Patent
1994-12-08
1996-01-09
Hurley, Kevin T.
Motor vehicles
Special driving device
Portable track
305 10, 305 32, 474110, B62D 5530
Patent
active
054821266
ABSTRACT:
Track-tensioning equipment for a vehicle, including a pulley for guiding a track of a vehicle, a crankshaft on which the pulley is rotatably mounted, a rotary hydraulic actuator for rotating the crankshaft about an axis of rotation, thereby displacing the pulley to tension the track, the rotary hydraulic actuator including a cylinder element and a piston element, one of the cylinder and piston elements being stationary and adapted to be secured to the vehicle, the other of the cylinder and piston elements being secured to the crankshaft to be rotatable therewith about the axis of rotation, and a feed and control unit for controlling the rotary hydraulic actuator.
REFERENCES:
patent: 3310127 (1967-03-01), Siber et al.
patent: 5183287 (1993-02-01), VanSweden
Bouit Rene
Lorrain Andre
Tillier Jacques
Giat Industries
Hurley Kevin T.
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