74 patents
Page 2 of 4
Utility
Systems and methods for bypass of hydraulic charge circuits
12 Jul 22
A control system for a hydrostatic drive system can include a hydraulic charge pump circuit having a hydraulic load and a tank.
Douglas Kallas, Charles Young
Filed: 21 Dec 20
Utility
Track assembly for power machine
12 Jul 22
Track assemblies (242; 300) for power machines (100; 200) include a track frame (243; 302), including a primary portion (304) and a second portion (306) moveable with respect to the primary portion.
Craig R. Roske, Scott J. LaCoe
Filed: 23 Sep 20
Utility
Frame access aperture
7 Jun 22
Power machine frames, and corresponding power machines such as skid steer loaders, have fully arcuate access aperture features formed in a first frame panel providing access to a volume internal to the first frame panel or otherwise positioned interior to the frame.
Brent Durkin, Michael J. Schmidt
Filed: 30 Aug 19
Utility
Power lift
24 May 22
Power machines and control systems used thereon include a lift cylinder, a tilt cylinder, and a slave cylinder mechanically connected to assist the lift cylinder with raising a boom.
Nicolas Gales
Filed: 29 Aug 17
Utility
Fuel recirculation method and valve
17 May 22
Fuel recirculation methods, fuel supply circuits and fuel recirculation valves for selectively mixing hot return fuel from a diesel engine with fuel from a tank before providing it to back to the engine.
Shaun Riveland, Ryan Wenz, Brandon Kisse, Justin Muscha
Filed: 15 Dec 16
Utility
CAN bus terminating resistor arrangement
26 Apr 22
A mobile power source includes an electrical generator, a controller, a resistor, and a user-activated switch positioned on a control panel of the electrical generator, the user-activated switch is configured to move between at least a first position and a second position.
Nicholas Harknett, Sean Herman
Filed: 10 Mar 21
Utility
Traction control for steering articulated power machine
19 Apr 22
Disclosed embodiments include steering circuits utilizing a controllable cross-feed loop between left and right drive motor sides of an articulated power machine to reduce skidding caused by a turning operation in which an articulation actuator changes an articulation joint angle between a front frame member and a rear frame member of the power machine.
Kevin J. Zent, Daniel J. Krieger
Filed: 24 Feb 20
Utility
Object detection external to vehicle
22 Mar 22
Disclosed embodiments include power machines such as loaders, and systems used on power machines, configured to detect the presence of an object in a zone adjacent the rear or sides of the power machine and to responsively control the power machine to stop or slow work functions.
John Pfaff
Filed: 6 Aug 19
Utility
Windows for loader cab
1 Mar 22
A cab for a power machine having a side window and a rear window each hingedly connected to the same one of a right rear cab frame post and a left rear cab frame post such that when the side window and rear window are both opened by latches to rotate outward relative to the same rear post an airflow path is created diagonally across the operator between a front corner of the cab and an opposite rear corner of the cab.
Mark W. Binstock
Filed: 27 Feb 20
Utility
Rigid track mount
1 Mar 22
Disclosed embodiments include track mounts configured to secure a track assembly to a frame of a power machine, and power machines including the same.
Cameron Hanson
Filed: 16 Oct 19
Utility
Hydraulic coupling
22 Feb 22
Disclosed embodiments include power machines, implement coupling systems and methods in which hydraulic or electric coupling between an implement and the power machine is made automatically using an existing actuator, for example a tilt actuator, of the power machine.
Dennis Agnew, Brent C. Durkin, Caren A. Loebs, Daniel J. Krieger
Filed: 17 Jun 19
Utility
Baffles for mower deck
1 Feb 22
A mower deck includes a top deck, a front wall, a rear wall opposite the front wall and a first side wall.
Randy Hilgart, Mark J. Wegner, Jeff Zur, Anthony S. Weber
Filed: 26 Oct 18
Utility
Post driving implement
28 Dec 21
Disclosed embodiments include post driving implements which attach to a power machine such as a loader in order to pick up posts of various sizes and materials and/or to drive the posts into the ground.
Cody Erhardt, Brian Dehnert, Patrick Link
Filed: 12 Mar 20
Utility
Hydraulic leveling circuit for power machines
9 Nov 21
A hydraulic assembly for an extendable lift arm assembly can include an extension cylinder, a leveling cylinder, a main control valve, a flow combiner/divider, and one or more flow-blocking arrangements.
Kevin Zent, David Glasser, Scott LaCoe, Daniel Krieger, Matthew Kaldor
Filed: 24 Feb 20
Utility
Hydraulic bypass circuit
19 Oct 21
Disclosed embodiments include hydraulic systems which provide power to lift, tilt and auxiliary (e.g., implement) functions, including high-flow auxiliary functions, with increased efficiency.
Charles Young, Jason R. Coombs
Filed: 25 Jul 19
Utility
Mechanical self-leveling lift arm structure for power machine
12 Oct 21
A lift arm structure for a power machine with a frame can include a multi-bar linkage that is pivotally secured to the frame and a leveling link that is pivotally secured to the multi-bar linkage.
Daniel J. Krieger
Filed: 30 Jan 20
Utility
Fuel tank drain plug
31 Aug 21
Power machine fuel tanks include a plug receptacle and a cover for the plug receptacle which seals the plug receptacle from an interior of the fuel tank.
Craig R. Roske, Russell Honeyman
Filed: 29 Aug 19
Utility
Lift arm leveling system
31 Aug 21
Disclosed embodiments include power machines, such as front-end loaders and utility vehicles, with a lift arm and a bucket leveling system utilizing four-bar linkages which mechanically level an attached implement as the lift arm is raised and lowered.
David Glasser, Daniel J. Krieger
Filed: 30 Aug 19
Utility
Loader suspension
6 Jul 21
The present disclosure includes independent suspension systems or members, as well as wheeled skid steer loaders or other power machines including the same, that couple each wheel to a machine frame using a four-bar linkage, with the four bars including the frame of the machine, an upper control arm, a lower control arm, and a wheel carrier link.
Thomas J. Tokach, Daniel J. Krieger, Jeffrey A. Dahl
Filed: 2 Nov 18
Utility
Cylinder in boom
6 Jul 21
Excavator having a stop positioned on a boom to protect a boom actuator from damage due to impact with an implement such as a blade, impact with handled material, or impact with other debris or objects.
Jaroslav Fiser, Martin Masa, Bohuslav Vasicek
Filed: 23 Mar 18