US 11,981,196 B2
Zero-turn radius lawnmower with suspension system
Mark J. Melone, Rome, NY (US); James F. Marshall, Munnsville, NY (US); Richard Smith, Morrisville, NY (US); Mark Lynch, Munnsville, NY (US); Travis Rasch, Hustisford, WI (US); Erik Slegelis, Port Washington, WI (US); Steven J. Weber, Germantown, WI (US); and Denis Oswald, Hartford, WI (US)
Assigned to Briggs & Stratton, LLC, Wauwatosa, WI (US)
Filed by Briggs & Stratton, LLC, Wauwatosa, WI (US)
Filed on Dec. 31, 2020, as Appl. No. 17/139,424.
Application 17/139,424 is a continuation of application No. 16/132,577, filed on Sep. 17, 2018, granted, now 10,882,397.
Application 16/132,577 is a continuation of application No. 15/652,905, filed on Jul. 18, 2017, granted, now 10,093,178.
Application 15/652,905 is a continuation of application No. 15/226,811, filed on Aug. 2, 2016, granted, now 9,849,776.
Application 15/226,811 is a continuation of application No. 15/082,765, filed on Mar. 28, 2016, abandoned.
Application 15/082,765 is a continuation of application No. 13/840,070, filed on Mar. 15, 2013, granted, now 9,161,490.
Claims priority of provisional application 61/677,288, filed on Jul. 30, 2012.
Claims priority of provisional application 61/643,809, filed on May 7, 2012.
Prior Publication US 2021/0122237 A1, Apr. 29, 2021
This patent is subject to a terminal disclaimer.
Int. Cl. B60K 17/10 (2006.01); A01D 34/64 (2006.01); B60G 9/00 (2006.01)
CPC B60K 17/105 (2013.01) [A01D 34/64 (2013.01); B60G 9/003 (2013.01); B60G 2204/18 (2013.01); B60G 2204/19 (2013.01); B60G 2300/084 (2013.01); B60Y 2200/223 (2013.01)] 20 Claims
OG exemplary drawing
 
1. Ride-on equipment comprising:
a pair of front wheels;
a pair of rear drive wheels;
a main frame;
a subframe pivotally coupled to the main frame about a pivot axis;
a power source coupled to and supported by the main frame, the power source comprising a drive pulley; and
a transaxle assembly coupled to and supported by the subframe such that the transaxle assembly is configured to pivot with respect to the power source, wherein the transaxle assembly is operably coupled to the pair of rear drive wheels and comprises at least one driven pulley, wherein the drive pulley and the at least one driven pulley are operably coupled by a belt such that the at least one driven pulley of the transaxle assembly is configured to be driven by the drive pulley of the power source via the belt.