Excavator idler-outrigger

Details Excavator idler-outrigger Excavator idler-outrigger

1976-09-17

1978-05-02

Reeves, Robert B.

Wheel substitutes for land vehicles

Wheel on top of upper track run

305 27, 305 30, B62D 5514

Patent

active

040871355

ABSTRACT:
A track assembly for use on track-supported vehicles, such as excavators and the like, including a driven sprocket, a rigid undercarriage which extends forwardly of the sprocket and which supports the body of the vehicle, the undercarriage being supported by a series of linearly aligned track rollers, and an idler assembly, including a rigid linking member and idler wheel. The linking member is pivotally mounted on the front of the undercarriage and extends forwardly therefrom, and the idler wheel is rotatably mounted on the front of the linking member. A motive force is attached to the undercarriage and to the linking member to selectively move the idler assembly from a first position wherein the bottom of the idler wheel is lower than the bottom of the track rollers, and a second position wherein the bottom of the idler wheel is higher than the bottom of the track rollers. An endless track forms a circuit about the sprocket, track rollers and idler wheel.

REFERENCES:
patent: 3901563 (1975-08-01), Day

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