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US 2024/0190522 A1Published application
Undercarriage suspension for a work machine
AssigneeGreat Plains Manufacturing, Inc.
InventorMatthew Shobe
Life of this patent
Estimating the term…
Abstract
A compact work machine, such as a compact track loader and/or a compact utility loader, which can carry and operate a wide range of attachments while maintaining a reduced operating footprint
Claims18
A loader comprising:
- a loader frame that defines a longitudinal loader axis;
- and
- a tracked drive assembly that supports the loader frame on ground and is configured to propel the loader over the ground,
- said tracked drive assembly including an endless track, with upper and lower runs extending longitudinally between forward and aft track margins,
- said tracked drive assembly further including forward and aft idler wheels, one or more roller wheels spaced longitudinally between the idler wheels, and a torsion axle, with the track being entrained on the idler wheels and the one or more roller wheels,
- said idler wheels being supported relative to the loader frame and supporting the track adjacent the forward and aft track margins,
- said torsion axle shiftably supporting a single one of the one or more roller wheels relative to the idler wheels and urging the single roller wheel into rolling engagement with the lower run, with the torsion axle permitting up-and-down movement of at least part of the lower run relative to the idler wheels.
4 more elements
A loader comprising:
- a loader frame that defines a longitudinal loader axis;
- and
- a tracked drive assembly that supports the loader frame on ground and is configured to propel the loader over the ground,
- said tracked drive assembly including an endless track, with upper and lower runs extending longitudinally between forward and aft track margins,
- said tracked drive assembly further including roller wheels spaced longitudinally along the loader axis, and torsion axles, with the track being entrained on the roller wheels,
- each of said torsion axles shiftably supporting a respective one of the roller wheels relative to the loader frame and urging the respective roller wheel into rolling engagement with the lower run, with the torsion axles cooperatively permitting up-and-down movement of at least part of the lower run relative to the loader frame.
3 more elements
Dependencies are inferred from the claim text.