Jim M Shoemaker

US Patent:

6758292, Jul 6, 2004

Filed:

Aug 12, 2002

Appl. No.:

10/217300

Inventors:

Jim Milton Shoemaker - Horicon WI

Assignee:

Deere Company - Moline IL

International Classification:

B60K 2506

US Classification:

180 536

Abstract:

A PTO switch for the attachment drive of a lawn and garden tractor includes a solenoid activated detent to retain the normally off switch in an on position. The switch includes an interlock override position for permitting a function such as mow in reverse. An interlock circuit interrupts drive to the attachment under certain conditions. Once drive is interrupted for any reason, the solenoid deactivates and the switch is moved to the off position so that PTO switch position corresponds to attachment drive condition, even when the drive is interrupted by means other than movement of the switch.

US Patent:

7017327, Mar 28, 2006

Filed:

Dec 10, 2003

Appl. No.:

10/732634

Inventors:

Kenneth Edward Hunt - Rock Hill SC, US
Jim Milton Shoemaker - Horicon WI, US
Philip Eugene Ferree - Ankeny IA, US

Assignee:

Deere & Company - Moline IL

International Classification:

A01D 34/03
A01D 34/43
A01D 34/64

US Classification:

56 147

Abstract:

A hybrid utility vehicle includes a tool-supporting frame and an electrical power source driven by an engine. Right and left rear wheels independently driven by permanent magnet electric motors and front wheels electrically steerable over a range of approximately 180 degrees operate under the control of a vehicle controller responsive to steering and speed input controls to provide zero turn radius operation with minimum slippage and tire scuffing. Space efficiency provided by the electric steering and an electrically driven tool deck facilitate a variety of tool mounting configurations including a rear discharge deck with a chute passing under the vehicle frame between the driven wheels. An inverter connected to the electrical power source provides 110/220 volt output. The power source also functions as a high powered, high rpm, low noise starter motor.

US Patent:

7224088, May 29, 2007

Filed:

Aug 31, 2004

Appl. No.:

10/931057

Inventors:

Jim Milton Shoemaker - Horicon WI, US
Kenneth Edward Hunt - Rock Hill SC, US
Barry Michael Hough - Rock Hill SC, US
Robert W. Hahn - Beaver Dam WI, US

Assignee:

Deere & Company - Moline IL

International Classification:

F16P 3/20

US Classification:

307328

Abstract:

An interlock circuit on a mowing vehicle or tractor deactivates the engine if a signal from a single backup sensor is interrupted. The mowing vehicle or tractor has an engine, an electric power source to provide electric current to a magneto and an ignition, a transmission connected to the engine and having forward, neutral and reverse operations, a controllable tool drive (PTO) connected to the engine for powering an accessory, and a single backup sensor to provide a signal if no object is detected behind the vehicle. A reverse sensing switch is movable between a first position if the transmission is in forward or neutral, and a second position if the transmission is in reverse. A PTO switch is movable between an on condition for activating the PTO and an off position for deactivating the PTO.

US Patent:

7694946, Apr 13, 2010

Filed:

Aug 10, 2006

Appl. No.:

11/503015

Inventors:

Jim Milton Shoemaker - Horicon WI, US
Ronnie Dean Stahlhut - Bettendorf IA, US
Troy Eugene Schick - Cedar Falls IA, US
Bernard Edwin Romig - Illinois City IL, US

Assignee:

Deere & Company - Moline IL

International Classification:

F16F 5/00

US Classification:

26714015, 248550

Abstract:

A suspension system for a seat of a vehicle comprises a base, a linkage, and a seat attached to the base via the linkage. A pneumatic shock absorber provides a respective resistance level against movement of the seat with respect to the base based on a corresponding pressure level of air or gas within the pneumatic shock absorber. A set of cylindrical members are spaced apart beneath the seat. A tension member is arranged to engage the cylindrical members. The tension member is attached to the seat via a bracket. An electric motor is capable of driving one of the cylindrical members. A first sensor is arranged to detect first sensor data associated with an instantaneous position of the seat versus time. A controller generates a first control signal for the electric motor to change a height of the seat in opposition to a change in the instantaneous position of the seat and a second control signal to change the pressure level.

US Patent:

7696637, Apr 13, 2010

Filed:

Jul 8, 2005

Appl. No.:

11/177584

Inventors:

Jim Milton Shoemaker - Horicon WI, US

Assignee:

Deere & Company - Moline IL

International Classification:

B60L 1/00
B60L 3/00
H02G 3/00

US Classification:

307 91

Abstract:

An input circuit for a tractor includes one or more switches having open and closed positions, based on operating characteristics of the tractor, and a power transistor drawing a threshold current through the switches during short intervals during which the switch states are sensed by a microcontroller.

US Patent:

7721517, May 25, 2010

Filed:

Nov 21, 2008

Appl. No.:

12/275402

Inventors:

Kenneth Edward Hunt - Rock Hill SC, US
Jim Milton Shoemaker - Horicon WI, US
Philip Eugene Ferree - Ankeny IA, US

Assignee:

Deere & Company - Moline IL

International Classification:

A01D 34/00

US Classification:

56 107, 56202

Abstract:

A hybrid utility vehicle includes a tool-supporting frame and an electrical power source driven by an engine. Right and left rear wheels independently driven by permanent magnet electric motors and front wheels electrically steerable over a range of approximately 180 degrees operate under the control of a vehicle controller responsive to steering and speed input controls to provide zero turn radius operation with minimum slippage and tire scuffing. Space efficiency provided by the electric. steering and an electrically driven tool deck facilitate a variety of tool mounting configurations including a rear discharge deck with a chute passing under the vehicle frame between the driven wheels. An inverter connected to the electrical power source provides 110/220 volt output. The power source also functions as a high powered, high rpm, low noise starter motor.

US Patent:

7887033, Feb 15, 2011

Filed:

Aug 10, 2006

Appl. No.:

11/502185

Inventors:

Jim Milton Shoemaker - Horicon WI, US
Ronnie Dean Stahlhut - Bettendorf IA, US
Troy Eugene Schick - Cedar Falls IA, US
Bernard Edwin Romig - Illinois City IL, US

Assignee:

Deere & Company - Moline IL

International Classification:

F16F 15/023
F16F 15/027

US Classification:

267136

Abstract:

A suspension system for a seat of a vehicle comprises a base, a linkage, and a seat attached to the base via the linkage. A pneumatic shock absorber provides a respective resistance level against movement of the seat with respect to the base based on a corresponding pressure level of air or gas within the pneumatic shock absorber. An output member of a linear motor is connected to the seat via a bracket. A first sensor is arranged to detect first sensor data associated with an instantaneous position of the seat versus time. A controller generates at least one of a first control signal for the linear motor to change a height of the seat in opposition to a change in the instantaneous position of the seat and a second control signal to change the pressure level.

US Patent:

7893554, Feb 22, 2011

Filed:

Feb 28, 2008

Appl. No.:

12/072720

Inventors:

Ronnie Dean Stahlhut - Bettendorf IA, US
Jim Shoemaker - Bettendorf IA, US

Assignee:

Deere & Company - Moline IL

International Classification:

F02B 37/00

US Classification:

290 52, 290 4 C, 60597

Abstract:

A turbo compounding system may include a turbo generator having a switched reluctance machine having at least one pole-matched rotor and stator pair, a single phase inverter coupled to the turbo generator and further coupled to a direct current link, an inverter coupled to the direct current link, a motor generator coupled to the inverter.