US 11,679,840 B2
Snow vehicle
Allen M. Mangum, Sandpoint, ID (US); and Justin R. York, Cocolalla, ID (US)
Assigned to Polaris Industries Inc., Medina, MN (US)
Filed by Polaris Industries Inc., Medina, MN (US)
Filed on Sep. 11, 2020, as Appl. No. 17/17,906.
Application 17/017,906 is a continuation of application No. 16/266,692, filed on Feb. 4, 2019, granted, now 10,773,774.
Application 16/266,692 is a continuation of application No. 15/165,862, filed on May 26, 2016, granted, now 10,232,910, issued on Mar. 19, 2019.
Application 15/165,862 is a continuation in part of application No. 14/935,224, filed on Nov. 6, 2015, granted, now 9,873,485, issued on Jan. 23, 2018.
Application 14/935,224 is a continuation in part of application No. 14/935,265, filed on Nov. 6, 2015, granted, now 9,751,552, issued on Sep. 5, 2017.
Prior Publication US 2021/0053653 A1, Feb. 25, 2021
This patent is subject to a terminal disclaimer.
Int. Cl. B62M 27/02 (2006.01); B62K 13/00 (2006.01)
CPC B62M 27/02 (2013.01) [B62K 13/00 (2013.01); B62M 2027/021 (2013.01); B62M 2027/026 (2013.01); B62M 2027/028 (2013.01)] 21 Claims
OG exemplary drawing
 
1. A snow vehicle, comprising:
a vehicle frame;
a propulsion unit coupled to the frame;
at least one front ski operably coupled to the frame;
a steering mechanism coupled to the frame;
a front suspension operably coupled to the frame;
a rear suspension operably coupled to the frame, the rear suspension comprising:
a single slide rail;
at least one control arm operably coupled between the single slide rail and the frame;
at least one linear force element operably coupled between the single slide rail and the vehicle frame; and
at least one carrier roller operably coupled to the single slide rail and the vehicle frame, and the at least one control arm is positioned laterally intermediate the single slide rail and the at least one carrier roller; and
a drive system comprising a drive track slidably guided by the single slide rail and drivably coupled to the propulsion unit.