US 11,052,715 B2
Loader suspension
Thomas J. Tokach, Mandan, ND (US); Daniel J. Krieger, Bismarck, ND (US); and Jeffrey A. Dahl, Bismarck, ND (US)
Assigned to CLARK EQUIPMENT COMPANY, West Fargo, ND (US)
Filed by Clark Equipment Company, West Fargo, ND (US)
Filed on Nov. 2, 2018, as Appl. No. 16/179,140.
Claims priority of provisional application 62/580,743, filed on Nov. 2, 2017.
Prior Publication US 2019/0126701 A1, May 2, 2019
Int. Cl. B60G 3/20 (2006.01); E02F 3/34 (2006.01); B60G 11/22 (2006.01)
CPC B60G 3/20 (2013.01) [B60G 11/22 (2013.01); E02F 3/3414 (2013.01); B60G 2200/144 (2013.01); B60G 2200/422 (2013.01); B60G 2202/143 (2013.01); B60G 2300/022 (2013.01); B60G 2300/08 (2013.01); B60G 2300/09 (2013.01); B60Y 2200/41 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A skid steer loader comprising:
a frame having an outer frame wall and a bracket rigidly mounted to the outer frame wall;
a wheel having a rim with an outer diameter; and
a suspension system coupling the wheel to the frame, the suspension system comprising:
an upper control arm pivotally attached to the bracket;
a lower control arm pivotally attached to the bracket; and
a wheel carrier pivotally attached to the upper control arm and the lower control arm, the wheel being mounted to the wheel carrier such that pivotal attachments of the upper and lower control arms to the bracket and pivotal attachments of the upper and lower control arms to the wheel carrier are all contained within a cylinder defined by the outer diameter of the rim of the wheel.