US 12,371,126 B2
Adjustable belt drive assembly, system and method
Samuel James Sandoz, Thief River Falls, MN (US); Jacob Tyler Crosby, Oklee, MN (US); and Todd MacDonald, Balderson (CA)
Assigned to Arctic Cat Inc., Thief River Falls, MN (US)
Filed by Arctic Cat Inc., Thief River Falls, MN (US)
Filed on Jan. 31, 2022, as Appl. No. 17/588,487.
Prior Publication US 2023/0242212 A1, Aug. 3, 2023
Int. Cl. B62M 9/16 (2006.01); B62M 27/02 (2006.01)
CPC B62M 9/16 (2013.01) [B62M 27/02 (2013.01)] 23 Claims
OG exemplary drawing
 
1. An all-terrain vehicle, comprising:
a chassis;
an engine;
a ground engagement member; and
a drivetrain operatively interconnecting the engine with the ground engagement member and configured to deliver propulsive power to the ground engagement member, the drivetrain further comprising:
a bearing housing having a fixed first bearing retainer and an eccentric second bearing retainer,
a first shaft having a first shaft axis,
a first bearing disposed within the fixed first bearing retainer and supporting the first shaft,
a second shaft having a second shaft axis, and
a second bearing disposed within the eccentric second bearing retainer and supporting the second shaft, wherein the second shaft axis is offset from an axis of rotation of the eccentric bearing retainer and wherein a distance between the first shaft axis and the second shaft axis is adjustable by rotating the eccentric second bearing retainer.