Did You Know...
...that after Parker Brothers executives turned down the game of Monopoly because it had "52 fundamental errors" (including taking too long to play), a copy of the game wound up in the home of the company president who stayed up until 1 a.m. to finish playing it? He was so impressed by the game that the next day he wrote to inventor Charles Darrow and offered to buy it!
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| Number | Title | Issue Date |
| 7523600 | Lawn mower handle drive operating mechanism A lawn mower, which is driven by an electric motor or an internal combustion engine, has an operation handle 80, which is formed by connecting through a grip part 82 rear ends of left and right long handgrips 81L, 81R extending rearward f... | 04/28/2009 |
| 7370461 | Adaptive threshold technique for detecting reel-to-bedknife contact A control system for a cutting reel unit includes a height-of-cut adjusting system and a reel-to-bedknife clearance adjusting system. The height-of-cut adjusting system includes a first frame; a second frame; a cutting reel supported by the second frame; a bedknife ... | 05/13/2008 |
| 7353644 | Method for adjusting reel-to-bedknife clearance A control system for a cutting reel unit includes a height-of-cut adjusting system and a reel-to-bedknife clearance adjusting system. The height-of-cut adjusting system includes a first frame; a second frame; a cutting reel supported by the second frame; a bedknife ... | 04/08/2008 |
| 7328563 | Walk reel mower with electric reel and traction drives A walk reel mower has a front mounted reel cutting unit and a rear handle. The operator pushes the handle towards the ground to lift the reel cutting unit off the ground prior to turning the walk reel mower around. When this occurs, the manner in which the reel cutt... | 02/12/2008 |
| 7318493 | Hybrid remote control lawn mower A remote control lawn mower has two electric DC motors with gear boxes for forward/reverse/turning speed control, a gyro for fast straight line cuts, a brain comprising of microprocessors, a gas engine (typical rating being about 4.5 to 7.5 HP) to cut the grass, and... | 01/15/2008 |
| 7305778 | Self-propelled working machine A self-propelled working machine has a pair of transporting parts, a working part, an engine for driving at least the working part, and a main switch for turning the engine on and off. A locomotion preparation switch produces a command for moving the transporting pa... | 12/11/2007 |
| 7302789 | Mechanism for discontinuing power to an implement drive during machine reverse travel (no power in reverse) with automatic reengagement An apparatus, systems and methods for automatically disengaging and re-engaging a cutting implement on a mowing machine by disconnecting and connecting, respectively, electrical power to an implement drive means. Power to the implement drive means is disconnected or... | 12/04/2007 |
| 7267198 | Portable electric grease gun This invention discloses a portable electrical grease gun which relates to electric tool field. The portable electrical grease gun according to the present invention, in which conventional slide block assembly driving structure is replaced by a crank link mechanism.... | 09/11/2007 |
| 7228679 | Electrical method of sensing operator presence on a walk-behind mower An operator presence control assembly for a walk-behind greens mower includes a handle supported on a frame of the walk-behind greens mower, a ribbon switch on the outer perimeter of the handle, and a circuit including the ribbon switch. The circuit is completed by ... | 06/12/2007 |
| 7168519 | Switch mounting assembly A switch mounting assembly that adapts a switch to detect a position of a vehicle control, such as the position of a drive control actuator of a lawn and garden tractor or similar vehicle. The switch mounting assembly includes a switch support member and a lever piv... | 01/30/2007 |
| 7159377 | Powered appliance and accessory A powered appliance includes a working member, a handle operably coupled to the working member and a control movable between a first position proximate the handle in which movement of the working member is permitted and a second position distant the handle in which ... | 01/09/2007 |
| 7145298 | Compact battery powered heavy roll mover A compact battery powered mover for heavy rollable loads, having a ventilated battery compartment incorporated into the body of the mover and a removable rechargeable ventilated battery that permits the replacement of a spent battery with a fresh battery at the work... | 12/05/2006 |
| 7143835 | Walk-behind electric working machine A walk-behind electric working machine has a frame, an electric motor mounted on the frame, and a handle support section mounted on the frame, the handle support section having a pair of electrical terminals. A handle post has a first end portion for removable conne... | 12/05/2006 |
| 7121073 | Cutting reel adjusting system A control system for a cutting reel unit includes a height-of-cut adjusting system and a reel-to-bedknife clearance adjusting system. The height-of-cut adjusting system includes a first frame; a second frame; a cutting reel supported by the second frame; a bedknife ... | 10/17/2006 |
| 7089721 | Modular vehicle system having engine unit and mower unit for communication therewith A modular vehicle system comprises an engine unit and an engine management controller associated with the engine unit. A throttle actuator is associated with the engine management controller to control a throttle setting of an engine unit. A mower unit is associated... | 08/15/2006 |
| 7047702 | Perimeter angle trim A wall molding for suspended ceiling systems has a self-aligning feature adapted to locate one end of a piece being installed on the end of a previously installed piece so that an installation of high quality workmanship is quickly obtained. The self-aligning featur... | 05/23/2006 |
| 7024845 | Grass striping apparatus for use with lawn vehicle A grass striping apparatus for use with a lawn vehicle, e.g., a lawn mower. The striping apparatus may include a frame assembly operatively coupled to the vehicle, e.g., to a cutting deck of the vehicle, and a wiper member extending along a rear side of the cutting ... | 04/11/2006 |
| 6986332 | Electric starter apparatus and method with multi-stage gearing for starting an internal combustion engine An electric starter apparatus and method with three-stage gearing and method for starting an internal combustion engine. The apparatus includes a starter assembly, a first gear, a second gear, a third gear, a fourth gear and an engine shaft. The starter assembly inc... | 01/17/2006 |
| 6975930 | Rate limiting control system A method of controlling an operation of a mechanism is provided. A first rate limit is assigned to a first input device that is operable to generate a first signal to control the operation of the mechanism. A second rate limit is assigned to a second input device th... | 12/13/2005 |
| 6949730 | Wall-mounted type microwave oven A wall-mounted type microwave oven has an improved assembling structure of a lighting device to afford reduction of manufacturing cost and ease of assembly. The lighting device includes an opening formed at a bottom panel of the microwave oven, a lamp housing mounte... | 09/27/2005 |
| 6931732 | Bush cutting machine A bush cutting machine including has an operation rod, a cutter blade mounted to the front end of the operation rod for undergoing rotation, and a prime mover mounted to the rear end of the operation rod for rotationally driving the cutter blade. A throttle lever is... | 08/23/2005 |
| 6915773 | Lawn mower with power-assisted starter A gasoline-fueled lawn mower has a pull rope that extends from the lawn mower engine and is attached to a pulley. An electrically powered starter motor is brought into engagement with the pulley, so that actuation of the starter motor causes the rope to be drawn out... | 07/12/2005 |
| 6904740 | Articulating handle for a walk-behind mower A walk-behind greensmower includes an operator presence control for selectively determining when power from a source is delivered to an output. The operator presence control includes a handle, a bale coupled to the handle, a control arm and an electromagnet. The bal... | 06/14/2005 |
| 6902016 | Pivoting panel for mechanical control disengagement A small or mini loader is operated by a platform standing on the ground or other surface supporting the loader, and at the rear of the machine. Hydraulic control levers operate drives on opposite sides of the machine, and the control levers are pulled rearwardly fro... | 06/07/2005 |
| 6751936 | Lawn mower starting assembly and bail An apparatus for starting an engine comprises a frame and an internal combustion engine operatively mounted to the frame. A control member is operatively connected to the frame, wherein the control member has an activated position and a deactivated position. The con... | 06/22/2004 |
| 6745548 | Split wireform bail A control apparatus for an implement such as a snow thrower, the control apparatus comprising a handle having at least two substantially upright portions and a cross portion extending between the upright portions. A first bail is pivotally connected to both upright ... | 06/08/2004 |
| 6698566 | Clutch type safety switch for power tools A clutch safety switch of a power chainsaw includes a safety member slidably connected to the casing and a trigger which is not able to be squeezed when the safety member is not slid away. A gear connected to the power source has engaging recesses and a c... | 03/02/2004 |
| 6658829 | Electric lawn mower Switch operation mechanism includes a handling lever pivotally connected to a portion of a handle, a generally-fan-shaped actuating member pivotally connected at its pivot portion to the handle in such a manner that the actuating member is pivotable in re... | 12/09/2003 |
| 6575285 | Safety switch for power tools A clutch safety switch of a power chainsaw includes a safety member slidably connected to the casing and a trigger which is not able to be squeezed when the safety member is not slid away. A gear connected to the power source has engaging recesses and a c... | 06/10/2003 |
| 6386169 | Starting and stopping device for internal combustion engine An engine starting and stopping device for an internal combustion engine includes an energy storing mechanism having at least one elastic member such as a spring, an input element engageable with the elastic member and movable during engine coast down to ... | 05/14/2002 |
| 6237311 | Reverse mowing prevention device A device for preventing reverse mowing of a Snapper, rear engine rider lawnmower having an ABS system, by halting rotation of the mower blade when the gear shift lever of the mower is shifted from the forward into the reverse driving position. The reverse... | 05/29/2001 |
| 6116007 | Four bar linkage mounting for mowers A rotary mower is mounted onto a skid steer loader through a four bar linkage on each side of a mower housing. The linkage is arranged to pivot relative to a mounting bracket on the skid steer loader and relative to a mower housing, with differential leng... | 09/12/2000 |
| 6109010 | Mowing vehicle control system A control system for a riding turf mower. The control system incorporates an interlock system capable of controlling the cutting operation of the mower when traveling in a reverse direction. In a preferred embodiment the present invention includes a ridin... | 08/29/2000 |
| 6105348 | Safety cut-off system for use in walk-behind power tool A safety cut-off system prevents the running of a motor of a self-propelled lawn mower having left and right drive wheels, and forward and reverse gears. The safety cut-off system includes a first forward presence lever manipulatable, by an operator, betw... | 08/22/2000 |
| 6078015 | Actuator for power switch in a lawn and garden care appliance An electric switch operating mechanism is disclosed for use with an electric lawn care appliance. The lawn care appliance has a housing, a switch and a movable bail which can be biased between active and inactive positions. An actuator is juxtaposed in be... | 06/20/2000 |
| 6018937 | Lawn maintenance apparatus having a rotatable, key operated switch An electric working machine having an electric motor and batteries for providing power to the motor is provided. Power for charging the batteries is provided to the working machine through a connector. A key member is provided which comprises a key body h... | 02/01/2000 |
| 6009358 | Programmable lawn mower A programmable lawn mower assembly (10) including a carriage (12) supporting a mower central processing unit (CPU) (24) for controlling the drive motors (18) to control the direction of movement of the carriage (12). The assembly (10) includes first and s... | 12/28/1999 |
| 5934051 | Solid state mow system for electrically powered mower A solid state mow system monitors and controls operations of a greens maintenance machine. This solid state system controls the other systems on the machine including: an interlock system, a reel lift control system, a cutting unit control system, a groom... | 08/10/1999 |
| 5806374 | Operation switch device for use with lawnmower An operation switch device for use with a lawnmower includes a switch and a first operation member operably movable between an "ON" position and an "OFF" position. A second operation member is mounted on the first operation and is positionable in a first ... | 09/15/1998 |
| 5790355 | Control system An electric appliance control system is provided for use with an electric power unit such as an electric lawn mower. The electric appliance control system includes a battery, a selectively operable switch, a relay having first and second contacts, a contr... | 08/04/1998 |
