About 99 results
https://drivepatents.com/patents/970513 · 10 Sep 2014
A two-stroke engine is provided with a piston (32), a cylinder (24) that houses the piston (32) in a manner allowing reciprocation, a crankshaft (62) that is connected to the piston (32) via a connecting rod (80) , a crankcase (60) that houses the cranksha...
https://drivepatents.com/patents/972173 · 23 Jul 2014
A charging apparatus (20) includes: a charging unit (50) charging a rechargeable battery (10, 30); a fan (53) to send air to the rechargeable battery (10, 30); a control unit (51) adapted to activate the fan (53) when a predetermined cooling-execution cond...
https://drivepatents.com/patents/972917 · 2 Jul 2014
The present invention relates to a stratified scavenging two-stroke engine (10). The stratified scavenging two-stroke engine (10) includes a first scavenging passage (36) that extends from a first scavenging intake (362) that opens to the inside of the cra...
https://drivepatents.com/patents/973528 · 18 Jun 2014
To attain further rationalization in a power tool in which a tool bit is driven by an engine. During driving of the saw chain 105, when the user returns a throttle lever 135 to its initial position by releasing only the throttle lever 135 while keeping pre...
https://drivepatents.com/patents/976810 · 2 Apr 2014
A chain saw (100) as a power tool which has an engine (111) and an electric motor (141) is provided. The chain saw (100) comprises a driving shaft (131) which is adapted to drive a saw chain (105), a controller (139) which controls the electric motor (141)...
https://drivepatents.com/patents/976803 · 2 Apr 2014
A brush cutter (200) as a power tool comprises an engine (111), an electric motor (141), a driving shaft (215) capable of driving a tool (207) and a battery which provides current to the electric motor (141). The brush cutter (200) is adapted to drive the ...
https://drivepatents.com/patents/977963 · 26 Feb 2014
A charger (10) of the present invention may include a plurality of battery connection parts (12) to which battery packs (60) can be connected to charge, with each battery connection part (12) having an indicator (21, 22, 23, 24). The indicators (21, 22, 23...
https://drivepatents.com/patents/977956 · 26 Feb 2014
A charger (10) in one aspect of the present invention includes: a connecting portion (11A, 11B), two protection devices (32, 24; 46, 48), a charging device (18), a control device (30), and a voltage detection device (28). A first protection device (32; 46)...
https://drivepatents.com/patents/979104 · 29 Jan 2014
An engine (1) includes: a piston (9); a carburetor (25) having a diaphragm fuel pump (109), the diaphragm fuel pump (109) including a pump chamber (1118) configured to suck and discharge fuel and a diaphragm chamber (110) to which a pressure to drive the p...
https://drivepatents.com/patents/979729 · 15 Jan 2014
An electric power tool is powered by a plurality of rechargeable battery cells and configured to removably receive respective rechargeable battery cells individually. The electric power tool may preferably include a monitor circuit that monitors states of ...