US 12,281,696 B2
Gear system for drive arm of tractor
Simon Whye Kwong Wai, Singapore (SG); and Shiao Loong Tang, Singapore (SG)
Assigned to HALLIBURTON ENERGY SERVICES, INC., Houston, TX (US)
Filed by HALLIBURTON ENERGY SERVICES, INC., Houston, TX (US)
Filed on Aug. 30, 2023, as Appl. No. 18/458,195.
Prior Publication US 2025/0075779 A1, Mar. 6, 2025
Int. Cl. F16H 57/08 (2006.01); E21B 23/00 (2006.01); F16H 37/04 (2006.01); F16L 55/32 (2006.01)
CPC F16H 37/041 (2013.01) [E21B 23/001 (2020.05); F16L 55/32 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A gear system for a wheel of a tractor, the gear system comprising:
a plurality of planet gears operable to rotate to provide tractive force to the wheel; and
a plurality of rollers operable to abut against an inner ring of the wheel to reduce a contact force from the wheel contacting a channel on the plurality of planet gears,
wherein the plurality of rollers receive a brunt of a contact force, thereby reducing the contact force on the plurality of planet gears,
wherein the inner ring is closer to an outer surface of the wheel than the plurality of planet gears.