Bizarre Patents
Vehicular Impact Signaling Device
An apparatus for the deployment of a visible plume to alert other motorists that a proximate motor vehicle has been involved in a collision.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 7594334 | Vibration-absorbing coupler and portable brush cutter provided with the vibration-absorbing coupler A vibration-absorbing coupler (30A) which is capable of suppressing the torsional vibration of the transmission shaft (7) and also capable of enhancing the durability thereof is disclosed. This vibration-absorbing coupler (30A) is featured in th... | 09/29/2009 |
| 7520690 | Part positioner and part pressing member A part positioner according to the present invention is used for fixing a part having a first pair of opposite portions extending along a mounting surface to the mounting surface by use of a clamping fixture. The part positioner includes a pressing member for pressi... | 04/21/2009 |
| 7520253 | Two-stroke internal combustion engine A cylinder bore (4) of a two-stroke internal combustion engine (1) has first scavenging ports (12) and second scavenging ports (13) inside. The first scavenging ports (12) are nearer to an exhaust port (11) of the engine ( | 04/21/2009 |
| 7363886 | Power unit To achieve improved cooling in a power unit, a first fan is coupled with an end of a crankshaft of an internal combustion engine to cool at least a cylinder of the internal combustion engine, and a second fan is coupled with another end of the crankshaft to cool at ... | 04/29/2008 |
| 7322322 | Stratified-scavenging two-stroke internal combustion engine In a stratified-scavenging two-stroke internal combustion engine, air-fuel mixture outlets (14b) and air outlets (15b) are provided on either side of a cylinder (3), and the air-fuel mixture outlets (14b) and the air ... | 01/29/2008 |
| 7322114 | Saw chain tensioning mechanism A saw chain tensioning mechanism for adjusting the tension in a saw chain extending around a chain guide plate includes a threaded rod member disposed adjacent to a rear end of the chain guide plate and along the longitudinal direction of the chain guide plate, a mo... | 01/29/2008 |
| 7255072 | Two-stroke internal combustion engine In a two-stroke internal combustion engine (1) using an internal cooling piston (2), the piston (2) has in-piston scavenging passages (19) defined therein by partition walls (18), and lower-end inlets (20) of the in-piston s... | 08/14/2007 |
| 7243622 | Two-stroke internal combustion engine A two-stroke internal combustion engine (1) includes one pair or two pairs of scavenging passageways (31, 32) of reverse flow system where scavenging outlet ports (31b, 32b) are opened to the cylinder bore (10a... | 07/17/2007 |
| 7182059 | Oil pump mechanism for lubricating saw chain An oil pump mechanism is incorporated in a chain saw having a centrifugal clutch and a saw chain adapted to be driven through the centrifugal clutch and activated in synchronization with the centrifugal clutch to supply a lubricating oil to the saw chain. The mechan... | 02/27/2007 |
| 7165597 | Insert core and method for manufacturing a cylinder for internal combustion engine by making use of the insert core There is provided a method of cast molding a cylinder for an internal combustion engine by making use of an insert core, which makes it possible to rationally form the chamfered portions at the rim portion, on the cylinder bore side, of the scavenging ports, the suc... | 01/23/2007 |
| 7101295 | Power transmission device and portable power working machine provided with the same A power transmission device is disclosed which is capable of easily, swiftly and appropriately altering the distance between the axes of a pair of transmission wheels such as pulleys, enabling an endless belt to be kept under constant and appropriate tension without... | 09/05/2006 |
| 7086837 | Centrifugal blower fan It is the object of the present invention to provide a centrifugal blower fan capable of reducing a noise in an operating rotational speed range without degradation in blàwer performance. A centrifugal blower fan comprises a base plate, and a plurality of fan blade... | 08/08/2006 |
| 7063061 | Liquid quantity visual confirmation device and reservoir-forming member A liquid quantity visual confirmation device comprises a first reservoir-forming member, and a second reservoir-forming member forming a liquid reservoir in combination with the first reservoir-forming member. The second reservoir-forming member is at least partiall... | 06/20/2006 |
| 7055213 | Power blower having a debris-catching cover A power blower includes a frame, and a blower mounted on the frame. An air intake port of the blower faces the frame. There is provided an air intake space between the blower and the frame. A debris-catching cover is constructed between the frame side and the blower... | 06/06/2006 |
| D522532 | Internal combustion engine | 06/06/2006 |
| D521528 | Internal combustion engine | 05/23/2006 |
| 7011078 | Two-stroke internal combustion engine A two-stroke internal combustion engine (1) is provided with one pair or plural pairs of C-shaped scavenging passageways (31, 32) of a reverse flow system where scavenging inlet ports (31a) as well as scavenging outlet ports (31... | 03/14/2006 |
| 7007660 | Portable power working machine A portable power working machine is disclosed, which is capable of effectively minimizing the clogging of the air cleaner, thereby dispensing with frequent maintenance. This portable power working machine comprises an air cleaner (30) having a base body case ... | 03/07/2006 |
| 6994070 | Portable air blowing working machine There is provided a portable air blowing working machine capable of obviating frequent operation for the maintenance of air cleaner and hence capable of improving working efficiency. This working machine includes an internal combustion engine having the air cleaner ... | 02/07/2006 |
| 6925970 | Air-cooled four-stroke internal combustion engine The present invention provides an air-cooled four-stroke internal combustion engine capable of achieving a high degree of cooling. The present invention is directed to an air-cooled four-stroke internal combustion engine including a crankshaft and a fan rotor rotata... | 08/09/2005 |
| 6918451 | Brake band and portable trimmer The present invention relates to a brake band for use with a centrifugal clutch. The brake band is formed in a curved strip shape to be disposed along the outer peripheral surface of a clutch drum of the centrifugal clutch, and is adapted to be tightened around or r... | 07/19/2005 |
| 6901900 | Recoil starter for backpack type power working machine A recoil starter for a backpack type power working machine, which is capable of easily performing the starting operation of an internal combustion engine with the working machine being carried on the operator's back. In this recoil starter, the recoil rope and the r... | 06/07/2005 |
| 6899158 | Insert core and method for manufacturing a cylinder for internal combustion engine by making use of the insert core There is provided a method for manufacturing a cylinder for an internal combustion engine by making use of an insert core, which makes it possible to manufacture the cylinder by a die casting method such as a high-pressure die casting method at low cost and in high ... | 05/31/2005 |
| 6886520 | Cylinder for internal combustion engine and method of treating inner surface of the cylinder A cylinder for an internal combustion engine and a method for treating the inner surface of the cylinder, which enables the inner surface constituting a piston-sliding surface of the cylinder to have a high quality plated layer which is uniform in thickness and smoo... | 05/03/2005 |
| 6857163 | Power blower having a debris-catching filter member A power blower having a frame, a blower, and a loop-shaped filter member. In an embodiment of the invention, the blower is disposed apart from the frame by an air intake space and has an air intake port facing the frame, and the loop-shaped filter member is disposed... | 02/22/2005 |
| 6857413 | Power working machine with internal combustion engine having spark plug A spark plug guard can be switched between a spark-plug covering position to protect a spark plug and a spark-plug opening position. An operator displaces the spark plug guard from the spark-plug covering position to the spark-plug opening position, thereby obtainin... | 02/22/2005 |
| 6840207 | Recoil starter for backpack-type power working machine A recoil starter for a backpack-type power working machine which is capable of easily and smoothly performed the starting operation even when the working machine is kept on the operator's back irrespective of differences in the operator's build. This recoil starter ... | 01/11/2005 |
| 6807954 | Portable power working machine There is provided a portable power working machine, which is capable of rationally and effectively preventing the generation of the icing without giving rise to early clogging of air cleaner, the malfunction of a internal combustion engine and deterioration of perfo... | 10/26/2004 |
| 6805531 | Set of split bodies for forming blower fan through hollow-article injection molding process A set of split bodies for forming a synthetic-resin blower fan through a hollow-article injection molding process, wherein the blower fan integrally includes a circular base, a cover portion having an air inlet opening at the center thereof, and a plurality of blade... | 10/19/2004 |
| 6802284 | Fuel injection device and air-fuel mixture generating device provided with fuel injection device A fuel injection device mounted on a main body of an air-fuel mixture generating device including an electromagnetic driving-type fuel injection valve for injecting, at predetermined times, fuel into an air-intake passageway of an intake system of an internal combus... | 10/12/2004 |
| 6786187 | Internal combustion engine An internal combustion engine capable of optimizing the amount of oil in the crank chamber with a simplified structure of lubrication system, in which a U-shaped oil reservoir is formed surrounding and adjacent to a crank chamber. At least one small hole is formed o... | 09/07/2004 |
| 6776133 | Recoil starter for backpack-type power working machine A starter which is capable of having an operator easily perform the starting operation of a backpack-type power working machine while shouldering it, is lighter in weight and cheaper in manufacturing cost, is relatively free from trouble, and can not easily be damag... | 08/17/2004 |
| 6773375 | Portable trimmer A portable trimmer capable of applying to a throttle valve a different operation from that according to a throttle operation lever. The portable trimmer includes a brake device for braking the movement of a cutting blade that is released in conjunction with a thrott... | 08/10/2004 |
| 6761136 | Portable power working machine A portable power working machine (10) is disclosed, which is capable of effectively improving the performance thereof to cool the internal combustion engine (20), and also capable of preventing an air cleaner (30) of the air intake system of the... | 07/13/2004 |
| 6758181 | Starter A starter which is capable of smoothly and reliably starting an internal combustion engine even though an electric motor employed is relatively small in size and output, thereby making it possible to minimize power consumption of the electric motor, to miniaturize t... | 07/06/2004 |
| 6745741 | Cooling system for four-stroke cycle internal combustion engine A cooling system for an OHC type four-stroke cycle internal combustion engine having a valve chamber lubricated by oil mist. The system includes an accommodating space accommodating a transmission mechanism, a blower fan rotatably driven by a crankshaft, and a cooli... | 06/08/2004 |
| 6742994 | Reciprocating pump with malfunction detecting apparatus A reciprocating pump which is capable of detecting abnormalities in the sucking and discharging of fluid, such as the exhaustion of oil or the clogging of oil on the discharge side, by making use of detecting means which is inexpensive and relatively simple in struc... | 06/01/2004 |
| 6742623 | Muffler for internal combustion engine A muffler for an internal combustion engine is disclosed which is capable of effectively enhancing its muffling effect without any substantial increase in size, weight or manufacturing cost. The exhaust gas ejected from an exhaust port of the internal combustion eng... | 06/01/2004 |
| 6729274 | Cylinder and method for manufacturing a cylinder for an internal combustion engine A cylinder and a method for manufacturing a cylinder for an internal combustion engine is provided which avoids the generation of a step portion at the scavenging port without necessitating enhanced precision of the positioning of the working tools or the working lo... | 05/04/2004 |
| 6722336 | Recoil starter A recoil starter having a driving member and a driven member, wherein the driving member further includes recoiling unidirectional rotating means. The recoiling unidirectional rotating means includes a movable locking claw member which is supported by one of the rop... | 04/20/2004 |
