| Patent Number |
Title Of Patent |
Date Issued |
| D276662 |
Portable pneumatic sweeper |
December 4, 1984 |
|
| 6904977 |
Portable handheld work apparatus |
June 14, 2005 |
| A portable handheld work apparatus, such as a motorized cultivator (1) or the like, includes a frame (2) which extends essentially in the longitudinal direction (21) of the work apparatus. A drive motor (3) is fixed at one end (22) of the frame (2) and a work tool is driven by this d |
| 5887489 |
Locking device for a rotary member of a working tool |
March 30, 1999 |
| A locking device for a drive shaft of a rotating tool member of a working tool includes a securing element fixedly connected to the drive shaft of the rotating tool member. A locking bolt has a longitudinal axis and is axially moveable between a locking position and a release position. T |
| 5826478 |
Nozzle for supplying a liquid to a rotating tool |
October 27, 1998 |
| A nozzle for supplying a liquid to a rotating tool of a cutter has a nozzle body and a hose connector connected to the nozzle body for supplying a liquid to the nozzle. The nozzle body has a fastening portion for mounting the nozzle body in a receiving openining of a protective cover wal |
| 5743240 |
Hand-guided, portable tool with internal combustion engine |
April 28, 1998 |
| A hand-guided, portable tool includes a housing and an internal combustion engine mounted in the housing. A fuel tank is mounted in the housing. The internal combustion engine has a carburetor with induction port for preparing a fuel/air mixture. An air filter is mounted in the housing. |
| 5704257 |
Securing mechanism for securing a drive shaft of a rotating tool member of a working tool |
January 6, 1998 |
| A securing mechanism for securing a drive shaft of a rotating tool member of a working tool against rotation includes a securing member fixedly connected to the drive shaft. The securing member has at least one engagement opening. A lock bolt for engaging the at least one engagement |
| 5320281 |
Housing for a high-pressure cleaning apparatus |
June 14, 1994 |
| The invention is directed to a housing for a high-pressure cleaning apparatus for accommodating a high-pressure pump, drive motor and other components of the apparatus coacting therewith. The apparatus is equipped with a cleaning lance which is held on the housing. The housing includes a |
| 5267540 |
Pull-rope starter for an internal combustion engine |
December 7, 1993 |
| The invention is directed to a pull-rope starter for an internal combustion engine of a portable handheld work apparatus such as a motor-driven chain saw, cutoff machine or the like. The work apparatus has a housing defining cooling air openings for conducting cooling air and the pull-ro |
| 4932366 |
Portable handheld motor-driven tool |
June 12, 1990 |
| The invention is directed to handheld portable tools. An air temperature dependent cooling throttle flap controls the amount of cooling air passing over an air cooled engine. The arrangement of the throttle flap in an annular extension expels air in a manner not to annoy the operator. |
| 4893410 |
Cutterhead for a vegetation cutter |
January 16, 1990 |
| The invention is directed to a cutterhead for attachment to a vegetation cutting apparatus. The cutterhead has a housing with a spool on which a coil of cutting filament is wound. The cutting filament is paid out in incremental lengths when its ends effective for cutting are worn. This i |
| 4866846 |
Cutterhead for a vegetation cutter |
September 19, 1989 |
| The cutterhead includes a cutting filament wound on a spool and this cutting filament is adjusted with respect to its effective cutting length in dependence upon the rotational speed of the cutterhead. The switching point for the automatic feed must be precisely matched to the drive spee |
| 4864728 |
Brushcutter |
September 12, 1989 |
| A brushcutter has a guide wand with a drive head rotatably mounted thereon. A motor rotatably drives the drive head and a cutting head for cutting vegetation is mounted on the drive head and defines a rotational plane. A protective arrangement partially overlaps the cutting tool in the r |
| 4761939 |
Brushcutter |
August 9, 1988 |
| A brushcutter has a supporting tube having a first end and a second end with a drive motor arranged at the first end and a cutterhead mounted on the second end. A handle is mounted on the supporting tube for manipulating the brushcutter. The handle has a tubular-shaped handle portion |
| 4696108 |
Pruning apparatus |
September 29, 1987 |
| The invention is directed to a pruning apparatus having a drive motor which is mounted on a carrier adapted for mounting on the back of an operator. The drive motor is connected with a rotating cutting tool by means of a flexible shaft. The flexible shaft includes an output member and a |
| 4690252 |
Rotation-preventing locking device for a portable tool |
September 1, 1987 |
| A locking device is disclosed to prevent a rotatably journalled part of a portable tool from rotating. The locking device includes a blocking element which coacts with the rotatably journalled part for blocking the rotation thereof. The blocking element is disposed on the tool and can be |
| 4662158 |
Brushcutter having a starter arrangement |
May 5, 1987 |
| The invention is directed to a starter arrangement for a brushcutter which is driven by an engine mounted in a housing and secured to the one end of a carrying tube. A shaft accommodated in the carrying tube couples the engine to a transmission of a cutting tool provided at the other end |
| 4651421 |
Cutterhead for a vegetation cutter |
March 24, 1987 |
| A cutterhead is disclosed for a motor-driven vegetation cutter and has a rotating housing and a spool journalled therein on which a cutting filament is wound. The spool has a plurality of cams, which coact with at least two spring-loaded coupling members pivotally mounted on the housing |
| 4644658 |
Lubricating-oil pump arrangement for a motor-driven apparatus |
February 24, 1987 |
| The invention is directed to a motor-driven apparatus such as a motor-driven chain saw or the like. It includes a lubricating-oil pump and an oil supply for a work tool and is equipped with a device for interrupting the supply of oil to the tool. This facilitates use of the chain saw |
| 4529099 |
Closure for a fuel tank |
July 16, 1985 |
| The invention is directed to a threaded closure for a fuel tank and includes a thread formed on a fuel inlet stub of the tank. A closure cap has a thread for engaging the thread on the inlet stub. A latch member is arranged on the closure cap and includes a peripheral ring which is m |
| 4461055 |
Portable sweeping device |
July 24, 1984 |
| A portable sweeping device which operates with an air-blast flow, and comprises a housing having a handle arranged at the upper end, and a fanwheel blower or impeller arranged in the housing and driven by an internal combustion engine arranged in the direction of the axis of rotation |
| 4285127 |
Apparatus for trimming plants |
August 25, 1981 |
| Apparatus for trimming plants, which apparatus includes at least one handle and a rotating, powered trimming head, which trimming head includes at least one flexible, filament-type trimming element, especially a synthetic or plastic filament or thread end-section, extending beyond the pe |
