Land vehicles – Wheeled – Running gear
Patent
1987-02-25
1988-02-23
Bertsch, Richard A.
Land vehicles
Wheeled
Running gear
180 2402, 180209, 280405R, B60G 1700, B62D 6112
Patent
active
047265981
ABSTRACT:
An apparatus for increasing the vertical travel of auxiliary wheels mounted on an auxiliary axle includes a lever rotatably mounted on the auxiliary axle and a wheel mounting spindle secured to the lever spaced from its mounting on the auxiliary axle to displace the wheel from the axle. In a preferred form of the invention, the lever is mounted on the axle by being secured to the end of a second axle rotatably mounted within the hollow auxiliary axle. Apparatus is provided to cause rotation of the lever between a lowered position in which the auxiliary wheels can be moved into weight bearing position and a raised, increased clearance position. A lock is provided so the lever can be locked in position, at least when in lowered position. In some cases, the lever will be mounted to the axle in a manner to allow the auxiliary wheel to caster and thereby steer with the vehicle on which it is mounted.
REFERENCES:
patent: 3191963 (1965-06-01), Prichard
patent: 4146243 (1979-03-01), Sims
patent: 4314709 (1982-02-01), Silbernagel
Advertisement for Lange's Hi-Steer Hi-Lift Plus Steering for Lange's Welding.
Advertisement brochure for Turner Air Suspensions for Turner Quick-Lift Corporation.
Advertisement for Ridewell Universal Air-Ride Model 220 for Ridewell Corporation.
Advertisement for Hi-Steer Suspension Tag and Pusher Axles for Maximum Payload for Challenge-Cook Bros., Inc.
Advertisement for Pusher-Type Air Suspension for Granning Suspensions, Inc., 1980.
Advertisement for Granning Air Lift Systems for Granning Suspensions, Inc. and Granning Suspensions, Ltd.
Bertsch Richard A.
Mallinckrodt Philip A.
Mallinckrodt Robert R.
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