| Patent Number |
Title Of Patent |
Date Issued |
| D417371 |
Combined lower housing and shield of a powered lawn and garden implement |
December 7, 1999 |
|
| D414088 |
Handle housing for a battery powered string trimmer |
September 21, 1999 |
|
| D408700 |
Housing for an electric chainsaw |
April 27, 1999 |
|
| D408247 |
Housing for an electric chainsaw |
April 20, 1999 |
|
| D408246 |
Housing for a battery operated chainsaw |
April 20, 1999 |
|
| D406225 |
Handle for a powered lawn and garden implement |
March 2, 1999 |
|
| D361251 |
Chain saw |
August 15, 1995 |
|
| D360563 |
Edger |
July 25, 1995 |
|
| D359849 |
Carrying case for a chain saw |
July 4, 1995 |
|
| D358308 |
Power head for trimmer or edger |
May 16, 1995 |
|
| D356014 |
Electric grass trimmer |
March 7, 1995 |
|
| D355572 |
Hedge trimmer housing |
February 21, 1995 |
|
| D354892 |
Electric grass trimmer |
January 31, 1995 |
|
| D351768 |
Electric grass trimmer |
October 25, 1994 |
|
| D350680 |
Chain saw |
September 20, 1994 |
|
| D349436 |
Hedge trimmer housing |
August 9, 1994 |
|
| D349221 |
Electric grass trimmer and edger |
August 2, 1994 |
|
| D349220 |
Electric grass trimmer and edger |
August 2, 1994 |
|
| D348192 |
Chain saw |
June 28, 1994 |
|
| D347774 |
Grass shears |
June 14, 1994 |
|
| 5987756 |
Head and head assembly for a string trimmer |
November 23, 1999 |
| A string trimmer head and head assembly include a plurality of arms which connect the head to a hub member. One or more flails are captured between the head and the hub member and extend outwardly into a cutting plane. |
| 5957721 |
Cord retainer |
September 28, 1999 |
| A retainer for an electric cord on an electric power device or the like includes a handle with a slot or passageway through the handle. The handle is loop shaped and has a hook inside the loop spaced from the slot or passageway. The slot or passageway is oriented vertically, as are the h |
| 5950317 |
Wire guard assembly for a string trimmer |
September 14, 1999 |
| A string trimmer includes a wire guard assembly which retains a wire guard and debris shield on a motor housing. The wire guard is retained in a pair of grooves in the motor housing to capture the debris shield between the wire guard and an upper portion of the motor housing. The wire gu |
| 5933966 |
Shaft telescoping and rotational adjustment mechanism for a lawn and garden tool |
August 10, 1999 |
| A lawn and garden tool, such as a string trimmer, includes a lower housing, an upper housing having one or more axial channels interconnected with one or more circumferential channels disposed on an interior surface thereof and a shaft connected between the upper housing and the lower ho |
| 5867911 |
Apparatus for adjusting relative positions of first and second members |
February 9, 1999 |
| Apparatus for adjusting a first member relative to a second member comprises a button with two sets of teeth and movable between first and second positions. When in the first position, both sets of teeth engage sets of teeth carried by the first and second members to prevent relative |
| 5588178 |
Impeller for blower/vacuum |
December 31, 1996 |
| This disclosure relates to an impeller for use in a centrifugal fan that also includes a housing and a drive shaft. The impeller is mounted on the shaft for rotation therewith within the housing. The impeller further includes a disk-shaped back plate and an axis of rotation extending |
| 5579735 |
Four-stroke internal combustion engine |
December 3, 1996 |
| A four-stroke engine comprising an engine frame including a block and a head, the block forming at least one cylinder and a crankcase. A piston is mounted for reciprocation in the cylinder, and a crank and connecting rod are mounted in the crankcase and connected to the piston. The crank |
| 5531027 |
Hedge trimmer drive assembly |
July 2, 1996 |
| A hedge trimmer having a hedge trimmer housing, a motor disposed in the hedge trimmer housing and a drive assembly associated with the motor. The drive assembly includes a first housing, a first gear connected to the rotatable drive shaft of the motor, a second housing, a second gear |
| 5347967 |
Four-stroke internal combustion engine |
September 20, 1994 |
| A four-stroke engine comprising an engine frame including a block and a head, the block forming at least one cylinder, and a crankcase. A piston is mounted for reciprocation in the cylinder, and a crank and connecting rod are mounted in the crankcase and connected to the piston. The head |
| 5318158 |
Cord retainer for electric power cord |
June 7, 1994 |
| A retainer for a portion of an electric power cord includes a guide that guides the cord into a space between a pair of ears that cooperate with a grooved part of a handle to define two V notch passageways for the cord leading the cord into a groove which wraps around the handle. The flo |
| 4670985 |
Vibration mount in a chainsaw |
June 9, 1987 |
| A chain saw having reduced transmission of vibration includes an internal combustion engine, a crankcase, and a crankshaft; a support assembly, the support assembly including a frame and at least one manual gripping handle; and a vibration isolation system for connecting the engine and t |
| 4644606 |
Lawn/garden blower/vacuum |
February 24, 1987 |
| The present invention is directed to an internal combustion engine-powered, blower/vacuum device. The device has an air chamber with an axial air inlet and a tangential air outlet. The engine rotatably drives the impeller, and is controlled by a throttle. A handle is located above the |
| 4603664 |
Magnetic structure for use in a chain saw or edge trimmer ignition system or the like |
August 5, 1986 |
| A magnetic structure for use in a chain saw or edge trimmer ignition system or the like where the ignition system includes a flywheel having a plurality of cooling fins disposed around the peripheral portion thereof and at least one magnetic structure embedded in the periphery, a mag |
| 4595148 |
Machine for comminuting waste material |
June 17, 1986 |
| A comminuting apparatus for garden waste consists of a cutter support plate rotating about a vertical axis in a cutter housing provided with a laterally directed outlet channel. The support plate includes cutting slots and slicing cutters thereabove. The support plate further includes |
| 4583291 |
Electric chain saw speed reduction device |
April 22, 1986 |
| An improved speed reduction drive for an electric chain saw is disclosed. The speed reduction drive comprises a first rotatable member directly driven by the drive shaft of the electric motor for rotation therewith. A second rotatable member is connected to the drive sprocket for the cut |
| 4563311 |
Carburetor valve |
January 7, 1986 |
| A diaphragm carburetor provided with a temperature-sensitive lever arm is disclosed. The temperature-sensitive lever arm permits hot restart of an engine when the carburetor is in a vapor lock condition, without the use of the choke mechanism. |
| 4561707 |
Current-sheet inductor network and pulse-forming systems |
December 31, 1985 |
| An electrical energy storage and transforming device and associated pulse-forming systems suitable for receiving, storing, and transforming an electrical charge to produce electrical output pulses, for example, ignition pulses for a spark-ignition internal combustion engine, includes |
| 4553326 |
Chain saw braking system |
November 19, 1985 |
| A chain saw safety braking assembly includes a sensing arm pivotally mounted to the housing and having a protrusion. A portion of the sensing arm is located in front of the gripping handle and is arranged to move from a first position to a second position in response to being struck by |
| 4550499 |
String trimmer with cut line retention pocket |
November 5, 1985 |
| A flexible line vegetation trimmer is disclosed, wherein the trimmer includes a conventional line cutting element mounted for rotation about an axis to define a cutting path, a debris shield mounted above at least an arc of the cutting path, and a cutting blade on the debris shield for |
| 4457069 |
Sharpening device for a chain saw |
July 3, 1984 |
| A sharpening device for a chain saw having an endless saw chain driven by a motor supported by a chain saw housing includes a housing adapted to be mounted to the chain saw housing spaced from the cutters. A grinding assembly having a grinding stone mounted thereon is movably mounted to |
| 4418790 |
Method and apparatus for attenuating sound |
December 6, 1983 |
| Methods and apparatus for attenuating sound levels characterized by a muffler utilizing the splitting of exhaust gas flows followed by recombining of these split flows in mutually opposed relationship. Sequentially alternating expansion and contraction of the exhaust gas is caused to |
| 4411069 |
Spoolless string trimmer head |
October 25, 1983 |
| A spoolless string trimmer head having a housing formed by a cover and a base which contains a coiled supply of trimming line. The lower housing member has a central opening and a radial passage for the trimming line so that the trimming line can be fed from the storage coil through the |
| 4296852 |
Automatic two-way centrifugal clutch for motor driven apparatus |
October 27, 1981 |
| An automatic two-way centrifugal clutch having a pair of clutch members mounted for pivotal movement on a rotating drive member is disclosed. Each clutch member has a first state in which driven surfaces are in contact with a clutch drum interior friction drive surface; a second state in |
| 4295753 |
Torque transmitting apparatus |
October 20, 1981 |
| Apparatus for mounting a rotatable component on a rotating shaft using a non-machined torque transmitting intermediate hub member is disclosed. The hub member makes torque transmitting contact with the drive shaft and transmits that torque to the rotatable component through frictional |
| 4227601 |
Centrifugal clutch |
October 14, 1980 |
| A centrifugal clutch assembly having a resilient restraining means for providing a radially inwardly directed restraining bias to each of a plurality of clutch shoe members is disclosed. The restraining means comprises a coiled spring member circumferentially surrounding and in conta |
| 4169446 |
CDI Method and system with in phase coils |
October 2, 1979 |
| A capacitor discharge ignition system employing in-phase trigger, charge and shut-off coils, in a circuit which provides force commutation of the electronic switch and which provides compensation for variations in temperature, inhibition of extraneous triggering of the electronic switch |
| 4167984 |
Interlocking safety handle for a friction drive apparatus |
September 18, 1979 |
| An apparatus for frictionally engaging and driving a rotatable wheel of a lightweight vehicle is disclosed. The apparatus has a pivotable handle which is movable between a first and a second position. In the first position the handle blocks access to a fuel tank while permitting oper |
| 4141143 |
Chain saw handle and vibration isolation system |
February 27, 1979 |
| A chain saw including an improved suspension system characterized by a U-shaped hand grip means extending transversely across a longitudinal median plane of a guide bar means, with the U-shaped hand grip means being contiguous with a longitudinally extending rear handle and serving to |
| 4138812 |
Vibration isolation system for chain saw structures |
February 13, 1979 |
| A vibration isolating system for chain saw structures characterized by a handle assembly connected to one side of a vibration generating assembly of a chain saw by a pair of resilient suspension means, with cross-over linkage means being operable to transmit force from the handle assembl |
| 4127090 |
Carburetor throttle lock |
November 28, 1978 |
| An idle speed control mounted on the body of a carburetor for controlling the idle speed of an internal combustion engine is disclosed. In a first condition, the throttle plate is maintained in a position to provide a "normal" idle speed and in a second condition a fixed engagement betwe |
