US 12,409,901 B2
Conversion of a power machine between wheeled and endless track tractive elements
Dennis Agnew, Moffit, ND (US)
Assigned to Doosan Bobcat North America, Inc., West Fargo, ND (US)
Appl. No. 17/613,562
Filed by Doosan Bobcat North America, Inc., West Fargo, ND (US)
PCT Filed May 26, 2020, PCT No. PCT/US2020/034523
§ 371(c)(1), (2) Date Nov. 23, 2021,
PCT Pub. No. WO2020/243079, PCT Pub. Date Dec. 3, 2020.
Claims priority of provisional application 62/852,709, filed on May 24, 2019.
Prior Publication US 2022/0242501 A1, Aug. 4, 2022
Int. Cl. B62D 55/084 (2006.01); B62D 55/04 (2006.01); B62D 55/065 (2006.01); B62D 55/13 (2006.01)
CPC B62D 55/084 (2013.01) [B62D 55/04 (2013.01); B62D 55/065 (2013.01); B62D 55/13 (2013.01)] 19 Claims
OG exemplary drawing
 
1. A kit for converting a wheeled power machine to a tracked power machine, the wheeled power machine including an axle with a rotating axle shaft, a hub secured to the axle shaft inboard of an outboard end of the axle shaft, and a wheel secured to the hub, the kit comprising:
a stub shaft positionable outboard of the hub when the wheel is removed from the hub, the stub shaft configured to be secured at the outboard end of the axle shaft;
a track frame configured to be operably coupled to the axle at the stub shaft; and
a sprocket configured to be secured to the hub in place of the wheel to move a track about the track frame upon rotation of the axle shaft.