Wheel substitutes for land vehicles – Tracks or treads – With sag prevention means
Patent
1984-11-08
1986-08-12
Scherbel, David A.
Wheel substitutes for land vehicles
Tracks or treads
With sag prevention means
305 54, B62D 5522, B62D 5528
Patent
active
046052640
ABSTRACT:
A stop member limits deflection of the outer end portions of track shoes of endless track assemblies, which support and propel earthmoving vehicles. Track-type earthmoving vehicles which use wide track shoes often experience wear and structural failures within the track assemblies as a result of vertical loading at the outer end portions of the shoes. The vertical loading of the shoes produces twisting and deflection which is transmitted to the other components of the track assembly, such as the links, pins, bushings, and seals. The deflection stop of the present invention is secured to the trailing end of a first shoe and overlaps a portion of the leading end of a second shoe. As a vertical load is applied to the second shoe, the leading end contacts the deflection stop and the load applied to the second shoe is shared with the first shoe and deflection of the second shoe is minimized.
REFERENCES:
patent: 2495331 (1950-01-01), Kegresse
patent: 3764185 (1973-10-01), Symmank
patent: 4036538 (1977-07-01), Haslett et al.
patent: 4114958 (1978-09-01), Boggs
patent: 4116497 (1978-09-01), Schimpf et al.
Caterpillar Inc.
Scherbel David A.
White Claude F.
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