Undercarriage for track-type machine

Details Undercarriage for track-type machine Undercarriage for track-type machine

1993-11-24

1994-08-02

Hill, Mitchell J.

Motor vehicles

Special driving device

Portable track

180 91, 180 952, 180 96, B62D 5500

Patent

active

053337107

ABSTRACT:
An undercarriage structure for a track-type machine having a main frame includes first and second track roller frame assemblies, one positioned on each side of the main frame, and connected to the main frame by one or more pivot shafts. The first and second roller frames are positioned at an angle relative to the main frame in a vertically oriented plane to produce a substantially negative camber angle at zero vertical load on the roller frames. The camber angle cycles between negative and positive during loading of the roller frames within the working range of the machine. This results in the rails of the endless track contacting the track rollers in different areas and prolongs the wear life of the endless track.

REFERENCES:
patent: 5279377 (1994-01-01), Oertley

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