US 11,970,225 B2
Snow track for a snowmobile
Richard H. Bates, Jr., Badger, MN (US); and Thomas D. Rager, Jr., Marathon, WI (US)
Assigned to Polaris Industries Inc., Medina, MN (US)
Filed by Polaris Industries Inc., Medina, MN (US)
Filed on Oct. 2, 2019, as Appl. No. 16/590,762.
Prior Publication US 2021/0101652 A1, Apr. 8, 2021
Int. Cl. B62D 55/24 (2006.01); B62D 55/18 (2006.01); B62D 55/26 (2006.01); B62D 55/28 (2006.01)
CPC B62D 55/244 (2013.01) [B62D 55/18 (2013.01); B62D 55/26 (2013.01); B62D 55/286 (2013.01)] 23 Claims
OG exemplary drawing
 
18. An endless track for use in propelling a snowmobile, comprising:
an inner drive surface extending between a first lateral side and a second lateral side, the inner drive surface having a plurality of inner drive lugs to drive and rotate the endless track;
an outer ground-engaging surface extending between the first lateral side and the second lateral side, the outer ground-engaging surface having a plurality of treads extending from the outer ground-engaging surface; and
a reinforcing rod extending laterally between the first lateral side and the second lateral side at each pitch of the endless track;
wherein each tread of the plurality of treads is longitudinally spaced at every other pitch and at every other reinforcing rod of the endless track.