Bulldozer track support roller mounting
First Claim
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1. In a bulldozer track support system including a plurality of track rollers mounted along a longitudinally extending track frame, the impovement comprising:
- means resiliently mounting at least a central contiguous group of the rollers to the track frame such that the resistance of individual rollers of the group of rollers to vertical deflection increases as one proceeds oppositely from the center of the group towards front and rear ends of the track frame such that a given vertical force applied to the track rollers of said group will cause the latter to deflect to positions whereat a line drawn through their lowermost points is upwardly arched.
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Abstract
A bulldozer has six track support rollers mounted on the associated track frame such that the first and last rollers are more or less rigid with the frame, the two rollers respectively next to the first and last rollers are vertically shiftably mounted and biased downwardly by respective springs having a first stiffness, and the middle two rollers are vertically shiftably mounted and biased downwardly by respective second springs having a stiffness a predetermined amount less than that of the first springs.
20 Citations
5 Claims
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1. In a bulldozer track support system including a plurality of track rollers mounted along a longitudinally extending track frame, the impovement comprising:
- means resiliently mounting at least a central contiguous group of the rollers to the track frame such that the resistance of individual rollers of the group of rollers to vertical deflection increases as one proceeds oppositely from the center of the group towards front and rear ends of the track frame such that a given vertical force applied to the track rollers of said group will cause the latter to deflect to positions whereat a line drawn through their lowermost points is upwardly arched.
- View Dependent Claims (2, 3, 4, 5)
Specification