US 12,173,468 B2
Control system for compact utility loader
Jason Carlson, Lindsborg, KS (US); Toshihiko Takemura, Grapevine, TX (US); John Relph, Abilene, KS (US); Matthew Shobe, Salina, KS (US); and Jeff Welsh, Abilene, KS (US)
Assigned to Great Plains Manufacturing, Inc., Salina, KS (US)
Filed by Great Plains Manufacturing, Inc., Salina, KS (US)
Filed on Jul. 29, 2020, as Appl. No. 16/942,476.
Claims priority of provisional application 62/984,476, filed on Mar. 3, 2020.
Claims priority of provisional application 62/879,796, filed on Jul. 29, 2019.
Prior Publication US 2021/0032836 A1, Feb. 4, 2021
Int. Cl. B60K 5/12 (2006.01); B62D 51/02 (2006.01); B62D 55/06 (2006.01); B62D 55/10 (2006.01); B62D 55/12 (2006.01); B62D 55/125 (2006.01); B62D 55/18 (2006.01); E02F 3/34 (2006.01); E02F 3/342 (2006.01); E02F 3/38 (2006.01); E02F 3/42 (2006.01); E02F 9/02 (2006.01); E02F 9/08 (2006.01); E02F 9/20 (2006.01); E02F 9/22 (2006.01); E02F 9/26 (2006.01); F16D 63/00 (2006.01)
CPC E02F 3/382 (2013.01) [B60K 5/12 (2013.01); B62D 51/02 (2013.01); B62D 55/06 (2013.01); B62D 55/10 (2013.01); B62D 55/12 (2013.01); B62D 55/125 (2013.01); B62D 55/18 (2013.01); E02F 3/34 (2013.01); E02F 3/3414 (2013.01); E02F 3/3417 (2013.01); E02F 3/342 (2013.01); E02F 3/422 (2013.01); E02F 9/02 (2013.01); E02F 9/08 (2013.01); E02F 9/0866 (2013.01); E02F 9/0891 (2013.01); E02F 9/2004 (2013.01); E02F 9/2037 (2013.01); E02F 9/22 (2013.01); E02F 9/2221 (2013.01); E02F 9/2267 (2013.01); E02F 9/26 (2013.01); F16D 63/006 (2013.01); E02F 9/2264 (2013.01)] 24 Claims
OG exemplary drawing
 
1. A compact utility loader comprising:
a frame;
an engine;
a pair of loader arms;
an attachment secured to ends of said loader arms;
a first track or wheel and a second track or wheel positioned on either side of said frame; and
a control interface including a graphic display configured to present operational information to an operator, wherein said graphic display is configured to present a login screen prompting the operator for a passcode, wherein said engine is prevented from being started until a valid passcode is entered via said control interface,
further comprising a joystick with at least a first depressible button and a second depressible button, wherein said first and second depressible buttons are positioned on an exterior surface of said joystick and extends in forward or lateral directions,
wherein when said first depressible button is depressed, said loader arms are configured to follow contours of a ground surface during movement of the said compact utility loader,
wherein said attachment is hydraulically powered, and wherein said compact utility loader is configured to power said attachment in either an on-demand mode or a continuous mode, wherein said control interface is configured to permit the operator to configure said compact utility loader in either the on-demand mode or the continuous mode,
wherein when said attachment is configured in the on-demand mode, said attachment is hydraulically powered when said second depressible button is depressed, and wherein said attachment is not hydraulically powered when said second depressible button is released.