US 12,447,788 B1
Leg tube assembly and method of manufacturing leg tube assembly
Daniel Jonathan Heim, Blaine, MN (US)
Assigned to Caterpillar Paving Products Inc., Brooklyn Park, MN (US)
Filed by Caterpillar Paving Products Inc., Brooklyn Park, MN (US)
Filed on Feb. 25, 2025, as Appl. No. 19/062,092.
Int. Cl. B60G 17/00 (2006.01)
CPC B60G 17/00 (2013.01) [B60G 2300/09 (2013.01); B60G 2500/30 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A leg tube assembly for a work machine, the leg tube assembly comprising:
a first tube coupled with a frame of the work machine, the first tube defining a first inner surface; and
a second tube coupled to the first tube and slidable relative to the first tube between an extended position and a retracted position, the second tube being received within the first tube, wherein the second tube includes:
a tube body defining a second inner surface, a second outer surface opposite the second inner surface, a first end that is disposed within the first tube in each of the extended position and the retracted position of the second tube, and a second end that extends out of the first tube when the second tube is in the extended position, wherein the tube body defines at least one recess on the second outer surface thereof, and wherein the at least one recess extends axially from the first end of the tube body towards the second end of the tube body and extends at least partially along a circumferential direction; and
at least one support member disposed within the at least one recess of the tube body, wherein the at least one support member is disposed between the first tube and the tube body of the second tube, wherein the at least one support member is adapted to engage with the first inner surface of the first tube, and wherein the at least one support member includes any one of a bearing and a wear pad.