William F. Semple, a dentist, was awarded the first US Patent on chewing gum in 1869. His recipe contained powdered chalk.
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| Number | Title | Issue Date |
| 7404341 | Transmission system for tractor A transmission system for transmitting power through a traveling transmission line and also through a PTO transmission line is disclosed. The system includes a clutch housing and a base transmission case connected via a housing frame. The base transmission case incl... | 07/29/2008 |
| 7325848 | Moveable guard assembly for all terrain vehicle A moveable guard assembly is configured for installation upon an ATV having a horizontal carrier rack. The movable guard assembly comprises a blocking member and a first securement mechanism. The blocking member is configured for attachment to a front end of the all... | 02/05/2008 |
| 7281528 | Method and apparatus for a mechanically driven supercharger The present invention provides a method for mechanically driving a supercharger and a combination harmonic pulley system and supercharger mounted on a powered vehicle including a crankshaft, the supercharger having a supercharger driveshaft and adapted to provide bo... | 10/16/2007 |
| 7264069 | Vehicle or lawn and garden maintenance equipment having a generator, and power takeoff assembly for a vehicle or lawn and garden maintenance equipment A vehicle or equipment having a frame, a plurality of wheels, and an engine coupled to the frame. The engine includes a shaft. The vehicle or machine further comprising a first driving member coaxially coupled with the shaft, a first driven member driven in response... | 09/04/2007 |
| 7204499 | Axle supporting structure for industrial vehicle and industrial vehicle having the same An axle supporting structure for supporting an axle beam for an industrial vehicle includes a center pin, a pair of axle supporting units and a counterweight. The center pin protrudes from the axle beam. Each axle supporting unit has formed therethrough an insertion... | 04/17/2007 |
| 7204779 | Hydraulic steering transaxle and hydraulic driving vehicle A steering transaxle comprises: left and right drive shafts drivingly connected to respective steerable wheels; a differential gear unit differentially connecting the drive shafts to each other; a transaxle casing having an opening and incorporating the differential... | 04/17/2007 |
| 7152389 | Mower suspension system and method A front independent suspension including a first suspension arm coupled to a front side of a frame and a second suspension arm coupled to a lateral side of the frame. The first suspension arm and the second suspension arm are movable relative to the frame in respons... | 12/26/2006 |
| 7144022 | Tractor suspension system A front suspension for a tractor has an axle that is pivotally coupled to an axle carrier to pivot about a substantially longitudinal axis. The axle carrier, in turn, is pivotally coupled to the chassis of the vehicle to pivot about a generally vertical axis. The fr... | 12/05/2006 |
| 7107746 | Mower suspension system and method A mower including a frame having a front portion, a rear portion, and at least one central longitudinal beam. The at least one beam is parallel with a longitudinal axis passing from the front portion to the rear portion of the frame. First and second wheels are posi... | 09/19/2006 |
| 7089822 | Power train for amphibious vehicle A power train for an amphibious vehicle includes an engine and transaxle arranged North-South, driving front, rear, or all four road wheels. A power take off with optional decoupler and constant velocity joint drives marine drive. The power take off may be taken fro... | 08/15/2006 |
| 7032333 | Snowthrower chute and deflector control A single joystick type control handle controls the chute and deflector of a snowthrower. The control handle can be moved laterally from side to side and a second linkage including a gear connection laterally rotates the chute from side to side in the same direction,... | 04/25/2006 |
| 6742290 | Snow removing machine A snow removing machine having an electromagnetic clutch mounted to an output shaft of an engine, and a drive pulley. The electromagnetic clutch is mounted to a proximal end of the output shaft to be remotely separate from the engine. As a result, heat generated in ... | 06/01/2004 |
| 6668952 | Shaft assembly which retains a reversible shaft A removable shaft assembly having a drive shaft with internal splines defined therein and an output shaft positioned within the drive shaft and having a first set of external splines defined thereon adapted to engage the internal splines of the drive shaf... | 12/30/2003 |
| 6533053 | Quick detachable drive shaft A quick detachable drive shaft for use with lawn tractors having a rearward end mounted to a power source and a forward end supported by a bearing detachably mounted to a plate that is detachably connected to a bracket on the tractor with a latch that mai... | 03/18/2003 |
| 6237708 | Working vehicle A working vehicle having a main transaxle casing supporting a first PTO shaft and a center-pivot transaxle casing supporting second PTO shaft, improved in a transmission system for the second PTO shaft. Particularly, the center-pivot transaxle casing is p... | 05/29/2001 |
| 6205385 | Power takeoff control switches A control system is disclosed for controlling a power takeoff (PTO) shaft of a work vehicle (e.g., a tractor). The work vehicle includes an engine and an operator station, and the PTO shaft transfers power from the engine to an implement. The control syst... | 03/20/2001 |
| 6173225 | Power takeoff control system A control system is disclosed for controlling a power takeoff (PTO) shaft of a work vehicle (e.g., a tractor). The work vehicle includes an engine and an operator station, and the PTO shaft transfers power from the engine to an implement. The control syst... | 01/09/2001 |
| 6134494 | Automatic power takeoff control system A method of automatically controlling a power takeoff shaft of a work vehicle having a hitch includes automatically initiating engagement of the power takeoff shaft as the hitch is lowered such that the power takeoff shaft reaches clutch lockup approximat... | 10/17/2000 |
| 6089340 | Off-road vehicle with a steerable front axle and a front power takeoff coupling An off-road vehicle is disclosed having a steerable front axle and a front power take-off (PTO) drive coupling mounted for movement with the steerable front axle and connected by a transmission train to a PTO drive shaft projecting from the vehicle engine... | 07/18/2000 |
| 6092013 | Multiple setpoint power takeoff control system A control system for controlling a power takeoff shaft of a work vehicle having a hitch includes a hitch position sensor and a control circuit. The hitch position sensor is configured to generate a hitch position signal. The control circuit is coupled to ... | 07/18/2000 |
| 5829497 | Telescoping and reciprocating stump grinder A stump grinder designed for pivotable attachment to the three point hitch of an agricultural tractor via a pivot frame and includes a stump grinding wheel driven by the tractor PTO. The stump grinder includes a frame with an outer sleeve which telescopes... | 11/03/1998 |
| 5802745 | Hydraulic system for a road vehicle A hydraulic system used in conjunction with a standard pickup truck and the like for powering a snowblower and other implements. The hydraulic system provides power for controlling up and down movement of a snowblower and for driving the snowblower's auge... | 09/08/1998 |
| 5476150 | Power-takeoff device for front-mounted implements A power-takeoff apparatus for use on a compact tractor equipped with a compound steering mechanism is disclosed wherein the chassis includes a front chassis member having an opening formed therein to allow the passage of a power-takeoff shaft therethrough... | 12/19/1995 |
| 5240085 | Implement coupler structure A quick coupler for mounting a variety of implements to a vehicle, such as a lawn and garden tractor, is provided. The coupler easily mounts on the vehicle and receives powered or non-powered implements. The coupler includes pivot structure and hydraulic ... | 08/31/1993 |
| 5226497 | Carrier/excavator remote operating system Apparatus, for the remote control of a carrier vehicle from the cab of an excavator which is rotatably mounted upon the back bed of the carrier vehicle through a center pin assembly, is accomplished with a hydrostatic pump operably connected to the cranks... | 07/13/1993 |
| 5147254 | Torque transmission unit for the drive connection of a secondary unit with an internal combustion engine A torque transmission unit is connectable to an internal combustion engine in order to drive a secondary unit with different transmission ratios in dependence upon the rotation rate of the internal combustion engine so that in the case of a low rotation r... | 09/15/1992 |
| 5094309 | Accessory for mounting an engine driven component to a vehicle frame An accessory for attachment to the front end of a vehicle for mounting engine driven components 84, 86 to the vehicle including a frame extension and mounting platform 42 having a front end 48 and a rear end 50, apertures 60 for use in mounting the frame ... | 03/10/1992 |
| 5064338 | Implement mounting apparatus for tractors and mowers An implement mounting apparatus for use with utility tractors, lawn and garden tractors and riding front mowers and other vehicles which allows removable mounting and use of numerous attachments for performing multiple grounds maintenance, yard and lawn c... | 11/12/1991 |
| 4899525 | Clipping collector equipped with front mower A frame has mounted thereon an engine and a speed change unit arranged adjacent to each other widewise of the frame to provide a vehicle body. The vehicle body has a front axle supporting a pair of front wheels thereon, a rear axle supporting at least one... | 02/13/1990 |
| 4825970 | Power takeoff shaft arrangement for a road vehicle A power takeoff attachment for a conventional road vehicle includes a base member with a rod extending transvesely thereto and of a length so that the outer end thereof can be inserted into a pivot coupling for example provided by a V-shaped space between... | 05/02/1989 |
| 4811614 | Power take-off drive unit A power take-off drive unit for use at the front of a tractor, in which a housing supports input and output shafts for rotation with the input shaft above the output shaft and a gear train connecting the two shafts. An oil-cooled clutch is provided within... | 03/14/1989 |
| 4791996 | Agricultural tractor with lightweight frame and front and rear wheels forming substantially continuous wheel path A tractor having a high power-to-weight ratio (power 100 kw, weight 3500 kg) is obtained by using light-weight components (e.g., made from synthetic resin) for the cab, and by making the wheels smaller than is usual, i.e., with a diameter of 1.3 meters, a... | 12/20/1988 |
| 4763744 | Power takeoff shaft arrangement for a road vehicle A power takeoff attachment for a conventional road vehicle includes a plate member with a rod extending transversely thereto and of a length so that the outer end thereof can be inserted into a V-shaped space between the torsion bar bracket and the frame ... | 08/16/1988 |
| 4746145 | Chassis frame for rider-controlled working vehicle A chassis frame in a rider-controlled working vehicle comprises a front frame member having a substantially channel-shaped cross section opening downwardly, a central frame in the form of a tubular body having a substantially rectangular cross section, an... | 05/24/1988 |
| 4738327 | Riding type mower A riding type mower, having a vehicle body with a front and a rear end, includes a bonnet disposed rearwardly of an operator's seat and having top and bottom sides, opposite lateral sides and a rear side. The bonnet houses a fuel tank, an engine, an oil c... | 04/19/1988 |
| 4709675 | Governor for small size vehicle A governor mechanism particularly adapted for use in off the road vehicles wherein the governor is driven by an engine shaft other than the output shaft and one which is positioned in close proximity to the induction system for shortening the linkage inte... | 12/01/1987 |
| 4650018 | Combination vehicle assembly A combination vehicle assembly comprises a first vehicle, such as a mobile home, and second vehicle, such as a car, van, or truck, releasably connected to the first vehicle. The first vehicle has a steering mechanism for maneuvering the assembly and a dri... | 03/17/1987 |
| 4646800 | Automated log splitter A log splitting apparatus and method for use in conjunction with a substantially horizontally mounted source of rotational power, such as the take off (20) and hitch lift unit (16) of a farm type tractor (10). The apparatus is disclosed in the form of a r... | 03/03/1987 |
| 4643695 | Toy work vehicle having power take-off A toy work vehicle propelled by a bi-directional d-c motor in a forward or reverse direction depending on the polarity of battery voltage applied thereto, the vehicle including a power take-off device driven by the same motor to raise or lower a load. A g... | 02/17/1987 |
| 4640378 | Power take-off system and isolation mounting therefor A power take-off system and isolation mounting therefor including an isolation member mounted to a vehicle frame bracket. A support brace is fixably mounted to the isolation member. The support brace has mounted thereto a linear displaceable casting align... | 02/03/1987 |