| Patent Number |
Title Of Patent |
Date Issued |
| D432413 |
Carton for elongated lawn appliance |
October 24, 2000 |
|
| D388561 |
Cordless electric blower |
December 30, 1997 |
|
| D382683 |
Air nozzle for a leaf blower |
August 19, 1997 |
|
| D372649 |
Lawn trimmer handle |
August 13, 1996 |
|
| D370451 |
Fuel cap |
June 4, 1996 |
|
| D365262 |
Chainsaw housing |
December 19, 1995 |
|
| D349983 |
Cordless leaf blower |
August 23, 1994 |
|
| D344088 |
Power head for a flexible line trimmer |
February 8, 1994 |
|
| 6560879 |
Chain saw adjuster |
May 13, 2003 |
| An arrangement that provides a semi-automatic tension adjustment of an endless cutting chain on a guide bar of a chain saw as the links of the chain wear with use. A specially designed cam biases a tensioner pin to continuously force the guide bar away from the drive sprocket on the |
| 6418902 |
Composite full circle crankshaft counterweight |
July 16, 2002 |
| A composite cranks haft counterweight of a two-cycle internal combustion engine includes a "T" shaped counterweight surrounded by a cup-shaped retainer that holds light weight inserts against the counterweight. Together with the counterweight the inserts create a full circle that red |
| 6079697 |
Method and apparatus for fast start fuel system for an internal combustion engine |
June 27, 2000 |
| A fuel delivery system for an internal combustion engine. The fuel delivery system includes a carburetor housing having an air passage with a throttle valve disposed therein. A choke lever is movably mounted to the carburetor housing for restricting air flow into the air passage. A fuel |
| 5881465 |
Line head for flexible line trimmer |
March 16, 1999 |
| A "bump-feed" type line head (108) and replaceable spool (116) for a flexible line trimmer are specially adapted for removing and mounting the spool in a single manual movement to the line head to facilitate spool and line replacement. A U-shaped retention spring (118) is snap-fitted wit |
| 5881464 |
Line head for flexible line trimmer |
March 16, 1999 |
| A "bump-feed" type line head (108) and replaceable spool (116) for a flexible line trimmer are specially adapted for removing and mounting the spool in a single manual movement to the line head to facilitate spool and line replacement. The line head includes a "U" shaped retention spring |
| 5815928 |
Portable powered lawn and garden tool |
October 6, 1998 |
| A trimmer (10) has a power source (12) and a tabular drive shaft housing (32) for coupling the power source (12) to a rotating working element. The drive shaft housing (32) is rotatable with respect to the power source (12) and a handle (26) which is fixed to the power source, such that |
| 5794864 |
Portable lawn and garden mulching vacuum |
August 18, 1998 |
| The invention provides for a portable apparatus for shredding yard and garden waste. Particularly shaped blades are used for better shredding and mulching performance. |
| 5771582 |
Apparatus for carrying spare line spool on flexible line trimmer |
June 30, 1998 |
| A flexible line trimmer having a rotating cutting head using a spool of flexible trimming line to form a cutting element is provided with a spare spool of cutting line, stored in various locations on the flexible line trimmer, available to replace the spool of trimming line after it is |
| 5738064 |
Vibration weld chassis assembly |
April 14, 1998 |
| A portable power tool is provided which includes a chassis defining an integral rear handle, a first chamber for lubricating oil generally at a front end of the chassis, a second chamber for fuel generally at a rear end of the chassis, and a recess between the first and second chambers. |
| 5666734 |
Guide bar coding system |
September 16, 1997 |
| A guide bar coding system which permits a user to easily and correctly match a saw chain to a saw guide bar. The guide bar has a laminate or multi-layer structure, and includes a recessed surface that is colored or painted to define guide bar indicia which is indicative of characteristic |
| 5652995 |
Nozzle for lawn and garden blower |
August 5, 1997 |
| A nozzle for use with a lawn and garden blower provides a comparatively wide pattern of high velocity air. The nozzle includes a substantially hollow, tubular housing tapering from the upstream end to the downstream end. At the downstream end is a plurality of bores arranged side-by-side |
| 5638574 |
Convertible leaf blower and vacuum |
June 17, 1997 |
| A convertible leaf blower and vacuum apparatus includes a fan and baffle supported on one end of a cylindrical member for insertion into a collar defining an air inlet of the fan for narrowing the diameter of the air inlet when the apparatus is being connected to the collar. A vacuum tub |
| 5634322 |
Method for assembling and packaging a flexible line trimmer |
June 3, 1997 |
| A flexible line trimmer for shipping and storing in a knocked down version for reduced package sizes includes a single length of tube that is received within an extended neck portion of a motor housing. During final assembly, the tube is extended and locked into position without the need |
| 5603869 |
Fuel mixture limitation device |
February 18, 1997 |
| A limitation device which limits post-adjustment rotation of an adjustment screw (10) on single adjustment screw carburetors (20). In one embodiment, the limitation device uses a limiter cap (100, 200) removably attached to the adjustment screw (10) which works in conjunction with a limi |
| 5594990 |
Lawn trimming and edging apparatus having motor housing rotatable on extendable handle |
January 21, 1997 |
| A powered lawn and garden tool for trimming and edging lawns is specially adapted for shipping and storing in collapsed state for reduced package sizes includes a single length of tube that is received within an extended neck portion of a motor housing. During final assembly, the tube is |
| 5542380 |
Integrated dynamic air cleaner |
August 6, 1996 |
| An improved centrifugal air cleaning system including a fan, a fan volute defined, in part, by a curved outer wall and a base wall, and a deflector wall projecting from the base wall intermediate the fan and the outer wall. An air inlet port is formed in the base wall and is located betw |
| 5521339 |
Catalyst muffler system |
May 28, 1996 |
| A muffler for coupling to an exhaust port of an internal combustion engine includes a housing, a first hollow body within the housing, a catalyzer within the first hollow body, and a second hollow body within the housing. The first hollow body has an inner surface defining a first chambe |
| 5485814 |
Resetting ignition switch for a gasoline powered chain saw |
January 23, 1996 |
| A resetting ignition switch for a portable power tool whereby movement of a choke assembly from a first, normal position to a second, choking position simultaneously and automatically moves an ignition switch from a stop to a run position to permit starting of the engine. The ignition sw |
| 5451728 |
Muffler for two-cycle internal combustion engine and method of assembly |
September 19, 1995 |
| A muffler for a two-cycle internal combustion engine used to power lawn and garden equipment includes two mating shells and two plates, sandwiching a spark arrestor screen, are disposed between the shells to form first and second expansion chambers between each plate and the adjacent she |
| 5450749 |
Gas sampling method and dilution tunnel therefor |
September 19, 1995 |
| Emission gasses from an engine exhaust pipe are collected through an inlet of a dilution tunnel which is an elongated, hollow tube. The inlet is spaced from the exhaust pipe to also admit surrounding air. Ambient air and emissions are mixed in the tunnel by a screen in the tunnel. A prob |
| 5446964 |
Apparatus and method for packaging and assembling a flexible line trimmer |
September 5, 1995 |
| A flexible line trimmer for shipping and storing in a knocked down version for reduced package sizes includes a single length of tube that is received within an extended neck portion of a motor housing. During final assembly, the tube is extended and locked into position without the need |
| 5383427 |
Two-cycle, air-cooled uniflow gasoline engine for powering a portable tool |
January 24, 1995 |
| A flexible line trimmer is powered by a two-stroke internal combustion engine. The engine is scavenged in a uniflow fashion and has a scavenging cylinder and an exhaust cylinder connected by a common combustion chamber. Each cylinder has a piston turning one of two cantilevered crankshaf |
| 5367988 |
Dynamic air cleaner and carburetor pressurization system for air cooled internal combustion engi |
November 29, 1994 |
| An air cooled internal combustion engine for a hand-held power tool has a flywheel fan that is rotated within a fan housing. The bottom of the fan housing, which is perpendicular to the axis of rotation of the fan, includes an opening for an air duct. Ramps axe formed around the leading |
| 5345684 |
Flexible line trimmer having an anti-vibration handle |
September 13, 1994 |
| A flexible line trimmer with a vibration dampening support handle includes a rotary power source and a rotatable trimmer head, both of which are connected by a drive shaft enclosed in a rigid housing. A flexible line trimmer has a vibration dampening rear support handle assembly and a fr |
| 5343831 |
Dynamic air cleaner and carburetor pressurization system for air cooled internal combustion engi |
September 6, 1994 |
| A portable work producing apparatus, such as a chain saw, has an engine cooled by air from a blower driven by the engine. The engine's carburetor is pressurized with clean air from the blower. The blower includes a centrifugal impeller mounted within a fan housing having a set of blades |
| 5303476 |
Line head for a rotary line trimmer |
April 19, 1994 |
| A line head (10) for a rotary line trimmer uses a bail (16) to clasp a single length of cutting line (18). The head has a first and second side (12, 14). The first side (12) of the head (10) has a plurality of radial ridges extending radially from a central shaft engagement hub (20). The |
