| Patent Number |
Title Of Patent |
Date Issued |
| D549537 |
Chain saw |
August 28, 2007 |
|
| D541813 |
Engine |
May 1, 2007 |
|
| D532792 |
Engine |
November 28, 2006 |
|
| D525990 |
Internal combustion engine for a mowing machine |
August 1, 2006 |
|
| D521447 |
Battery for a mowing machine |
May 23, 2006 |
|
| D521026 |
Switch box for mowing machine |
May 16, 2006 |
|
| D519336 |
Mowing machine |
April 25, 2006 |
|
| D326270 |
Mowing apparatus |
May 19, 1992 |
|
| D323330 |
Cutting wheel assembly for use in a mowing apparatus |
January 21, 1992 |
|
| D322791 |
Cutting wheel for use in a mowing apparatus |
December 31, 1991 |
|
| D302931 |
Chain saw |
August 22, 1989 |
|
| D299571 |
Portable blower |
January 24, 1989 |
|
| D299570 |
Portable blower |
January 24, 1989 |
|
| D297870 |
Portable blower and cleaner |
September 27, 1988 |
|
| D274620 |
Housing for a portable internal combustion engine |
July 10, 1984 |
|
| D272742 |
Attachment for snow shovel |
February 21, 1984 |
|
| D271715 |
Portable blower |
December 6, 1983 |
|
| 7204519 |
Construction machine |
April 17, 2007 |
| A construction machine where an operating load is transferred to a location having good rigidity, thereby ensuring the strength of a vehicle body and increasing the load-withstanding strength in relation to running loads. The frame of the lower traveling body of the construction machine |
| 7204518 |
Construction machine |
April 17, 2007 |
| A construction machine where a load acting on a vehicle body during an operation is transferred to ensure the strength of the vehicle body, thereby improving reliability including welding reliability. In the construction machine, at least one of the height differences between an uppe |
| 7168407 |
Operation unit of engine |
January 30, 2007 |
| An operation unit is provided with an engine operation box storing a control operation portion controlling an opening degree of a throttle valve and a start switch terminal connected to a start motor; a throttle operating lever for controlling the opening degree from an idle position |
| 7162816 |
Work vehicle with tilt floor |
January 16, 2007 |
| A work vehicle with a tilt floor, which is capable of improving the maintainability around an engine and the operability and comfortability of a driver's seat and its periphery, is provided. The work vehicle with a tilt floor includes a hinge mechanism which is provided on the front |
| 7152563 |
Operation unit of engine |
December 26, 2006 |
| The invention provides an operation unit of an engine provided with a throttle operating lever operating a throttle valve of the engine from an idle position to a full-open position, two terminals connected to an inner side of a drive circuit of a start motor, a contact element inter |
| 7146941 |
Rotary valve |
December 12, 2006 |
| A rotary valve which can securely shut off a fluid flow without improving a working accuracy of an outer peripheral surface of a valve and an inner diameter portion of a body, and which has a simple and compact structure, wherein a gap is formed between the outer peripheral surface of th |
| 7131687 |
Work vehicle |
November 7, 2006 |
| A work vehicle comprises a counter weight (1) manufactured by casting, an outer surface thereof being formed in a substantially arc shape, the counter weight (1) including at a lower section thereof an extended portion extending in leftward and rightward directions to have a substant |
| 7128031 |
Lead air control apparatus of stratified scavenging two-cycle engine |
October 31, 2006 |
| In an insulator (21) inserted between a carburetor (30) and a cylinder (3) for a purpose of insulating heat, there are formed an intake passage (22) connected to the carburetor (30), and a pair of first air passages (23) connected to respective air flow paths (14) communicated with a pai |
| 7121089 |
Hydraulic cylinder |
October 17, 2006 |
| In a hydraulic cylinder having a shock absorbing function, and capable of stopping as desired by an accumulator disposed within a cylinder rod. The accumulator includes an accumulator piston that divides the cylinder rod interior into first and second cylinder rod chambers, gas hermetica |
| 7047912 |
Work vehicle cooling system |
May 23, 2006 |
| A work vehicle cooling system comprises a cooling fan (18) driven by the output from an engine (16), and a flow path for allowing an airflow (27) generated by the cooling fan (18) to be flown between the engine (16) and an operator's seat (14) without having passed through any of a radia |
| 7047734 |
Hydraulic circuit for hydraulic cylinder |
May 23, 2006 |
| A hydraulic circuit for a hydraulic cylinder capable of executing and adjusting a shock absorbing function at the time of stopping the operation of a cylinder piston rod and releasing the function, comprises a damping control valve (v1) having a first switching position (v11) which b |
| 6854951 |
Vertical lift type arm device |
February 15, 2005 |
| A vertical lift type arm device includes a set of left and right control links each having three connection shaft holes, a set of left and right central mounting parts which are provided at a center part of the main frame, and a set of left and right mounting parts which are provided at |
| 6691650 |
Piston valve type layered scavenging 2-cycle engine |
February 17, 2004 |
| A piston valve type layered scavenging 2-cycle engine has a reduced engine height, is light and compact, and achieves an exhaust gas purification. An upper edge of a pilot air port provided in an inner wall of a cylinder is positioned at substantially the same height as that of an upper |
| 6647713 |
Stratified scavenging two-cycle engine with catalyst |
November 18, 2003 |
| A stratified scavenging two-cycle engine with catalyst capable of meeting such a requirement that a THC exhaust rate is 54 [g/kW.multidot.h] or less with use of catalyst. For this purpose, in the stratified scavenging two-cycle engine in which an air feed volume ratio R of an air feed vo |
| 6497204 |
Stratified scavenging two-stroke cycle engine |
December 24, 2002 |
| The engine can improve a leading air suction efficiency, has a simple structure and a low cost. Accordingly, in a stratified scavenging two-stroke cycle engine provided with an exhaust port (22) and a scavenging port (21) which are connected to a cylinder chamber (10), a leading air |
| 6474311 |
Fuel tank for engine |
November 5, 2002 |
| A fuel tank for an engine capable of preventing the temperature of the fuel tank from rising and grass from entering a cooling fan, and being low in production cost with a simple structure is provided. To this end, in the fuel tank for an engine installed on a crankcase (2) of an engine |
| 6298811 |
Stratified scavenging two-cycle engine |
October 9, 2001 |
| A stratified scavenging two-cycle engine, whose simple configuration can satisfy the regulation of emission rate of THC in exhaust gas, includes: a cylinder block (4), housing a piston (1) so as to be vertically slidable and having an exhaust port (14) and a scavenging port (16) in a sid |
| 6289856 |
Stratified scavenging two-cycle engine |
September 18, 2001 |
| A stratified scavenging two-cycle engine is capable of doing away with emission of a mixture into the atmosphere and of reducing intake resistance of air. For this purpose, an air intake port (11) is provided at a position which is a predetermined distance away from scavenging ports |
| 6240886 |
Stratified scavenging two-cycle engine |
June 5, 2001 |
| The present invention is a stratified scavenging two-cycle engine which can make exhaust gas cleaner. For this purpose, in a stratified scavenging two-cycle engine, which includes a scavenging flow passage (3) to connect a cylinder chamber (4a) and a crank chamber (1a) and an air flow pa |
| 6216650 |
Stratified scavenging two-cycle engine |
April 17, 2001 |
| The present invention relates to a stratified scavenging two-cycle engine, in which control of an air flow rate provides favorable acceleration performance and can prevent deterioration of exhaust gas. The stratified scavenging two-cycle engine includes a scavenging flow passage (3) for |
| 6152093 |
Stratified scavenging two-cycle engine and cylinder block therefor |
November 28, 2000 |
| A stratified scavenging two-cycle engine, having excellent scavenging performance and a simple structure which can be manufactured at low cost, includes a cast cylinder block (2, 2a) containing a cylinder chamber (9) and two scavenging ports (14, 14, 14a, 14a), which are provided in |
| 6112708 |
Stratified scavenging two-cycle engine |
September 5, 2000 |
| A stratified scavenging two-cycle engine, which enables a reduction in size and an improvement in productivity, includes a carburetor (6), which is provided between an air cleaner (7) and a suction fitting (4), wherein a mixture flow passage (6B) and an air flow passage (6A) are formed i |
| 6085703 |
Stratified scavenging two-cycle engine |
July 11, 2000 |
| The present invention is a stratified scavenging two-cycle engine which has a more compact structure. The stratified scavenging two-cycle engine includes a scavenging flow passage (3) for connection between a cylinder chamber (4a) and a crank chamber (1a); and an air flow passage (2) |
| 5317997 |
Air inlet system of an engine |
June 7, 1994 |
| An air inlet system of an engine includes a fan having a plurality of vanes in a radial arrangement for blowing air from a center of rotation of the fan towards a radially outward area. A fan case covers the fan and has an airflow supply opening formed in the vicinity of the center of ro |
| 4998401 |
Mowing machine |
March 12, 1991 |
| To mow even soft grass more tidily in shearing mode without kicking pebbles, a pair of two grass cutting wheels are pivotally driven by an engine in two mutually-different directions. One cutting wheel is slidably fixed relative to the other cutting wheel for safety. The mowing machine |
| 4987732 |
Mowing apparatus having oppositely reciprocating cutters |
January 29, 1991 |
| To mow even soft grass more tidily in shearing mode without kicking pebbles, a pair of two grass cutting wheels are pivotally driven by an engine in two mutually-different directions. One cutting wheel is slidably fixed relative to the other cutting wheel for safety. The mowing machine |
| 4727651 |
Chain saw |
March 1, 1988 |
| The device is an air intake apparatus for a chain saw. There is a hollow main casing having front and rear ends. A handle extends above the casing. The handle is fixed to the casing. An engine is disposed in the casing. A carburator is disposed in the casing front adjacent to a fuel tank |
| 4663799 |
Dust collector |
May 12, 1987 |
| Dust collection apparatus is disclosed adapted for both vacuuming and blowing/sweeping functions. The apparatus consists of a single, self-contained unit comprising a blower, a cleaning hose, an engine, a collecting area, inlet and outlet passages, and a switching valve which can swi |
| 4658778 |
Piggyback type blower unit |
April 21, 1987 |
| There is provided a piggyback type blower unit. The blower unit comprises a piggyback frame, a fan case incorporating a fan, a powder tank arranged on top of the fan case, a fuel tank arranged behind said fan case, and an engine fixed behind the fan case and on top of the fuel tank. The |
| 4517939 |
Dust collecting device |
May 21, 1985 |
| A compact engine and blower contained in a portable casing. The engine fuel tank, its inlet port and the closure for the inlet port all are located within the casing, which has a cover openable, for access to the fuel inlet port. The casing cover can be latched closed only when the fuel |
| 4494490 |
Cylinder cover |
January 22, 1985 |
| A cylinder cover being connected to a fan cover, covering the top section of a cylinder. The cylinder cover covering the cylinder of an engine has an opening section at a position close to the fan cover. The opening section of the cylinder cover is covered by a freely removable cover |
| 4403371 |
Debris collecting device |
September 13, 1983 |
| Improvements in air blower driven debris collecting devices are disclosed including interchangeable air driven dispenser attachments for dispensing liquids and powders dispersed in an air stream; a debris collector including a portable air blower, a hand held debris pick-up nozzle, and a |
