초록 ▼

A motor vehicle having a pair of front drive wheels and a rear steerable drive wheel mounted on a main frame. A sub-frame secured to the main frame intermediate the front and rear drive wheels carries an internal combustion engine and a pump assembly. The pump assembly has a first pump operable to d

A motor vehicle having a pair of front drive wheels and a rear steerable drive wheel mounted on a main frame. A sub-frame secured to the main frame intermediate the front and rear drive wheels carries an internal combustion engine and a pump assembly. The pump assembly has a first pump operable to deliver fluid under pressure to fluid operated motors operably connected to the front drive wheels and a second pump operable to deliver fluid under pressure to a fluid operated motor operably connected to the rear drive wheel. The internal combustion engine and pump assembly are located below a seat and floor with both the engine and pump assembly positioned transversely of the main frame of the vehicle. The rear wheel is mounted on the frame for angular movement about a generally upright axis. A fluid operated double acting piston and cylinder assembly operates to angularly move the rear wheel about the upright axis to steer the vehicle.

대표청구항 ▼

A vehicle comprising: a frame having a first portion and second portion, first wheels operatively connected to the first portion of the frame, fluid operated first motors, one of said first motors being drivably connected to one first wheel, the other of said first motors being drivably connected to

A vehicle comprising: a frame having a first portion and second portion, first wheels operatively connected to the first portion of the frame, fluid operated first motors, one of said first motors being drivably connected to one first wheel, the other of said first motors being drivably connected to the other first wheel, second wheel means operatively connected to the second portion of the frame, a fluid operated second motor drivably connected to the second wheel means, a pump assembly having a first pump for supplying fluid under pressure to the first motors, and a second pump for supplying fluid under pressure to the second motor whereby said first motors and second motor concurrently operate to drive the first wheels and second wheel means, means for operating said pump assembly, sub-frame means mounted on the frame, means mounting the pump assembly and means for operating said pump assembly on said sub-frame means, mount means releasably connecting the sub-frame means on the frame whereby the pump assembly, means for operating said pump assembly, and sub-frame means can be removed as a unit from the frame, means for rotatably mounting said second wheel means on said frame for angular movement about a generally upright axis, and means for angularly moving said second wheel means about said upright axis to steer said vehicle.