About 99 results
https://drivepatents.com/patents/1006046 · 18 Jan 2012
In an electric tool battery, even in a case where poor connection or the like is generated in the wiring between one voltage monitoring element (32) and the cells (S3, S4), it is possible to monitor the voltages of the cells (S3, S4) by another voltage mon...
https://drivepatents.com/patents/1006882 · 21 Dec 2011
A reduced size four-stroke engine and a working machine using the same are provided. A fuel tank is disposed in the space below a carburetor and an engine base is integrally formed with a fuel tank. By this means, the fuel tank is disposed in the space bel...
https://drivepatents.com/patents/1007824 · 16 Nov 2011
An electric wheeled apparatus comprises a main body, a drive wheel supported by the main body in a rotatable manner, an electric motor configured to apply torque to the drive wheel, a battery holder configured to removably receive a plurality of battery pa...
https://drivepatents.com/patents/1008505 · 19 Oct 2011
A connecting terminal structure allows providing additional terminals without an increase in the width of a battery pack (30; 60) and an electric apparatus (10; 70). In a connecting terminals structure according to the present invention, a battery pack (30...
https://drivepatents.com/patents/1008758 · 12 Oct 2011
An electric power tool (1) includes a tool element (5), an electric motor (10), a rechargeable battery (20), a fuel battery (30), a state measuring unit (22, 24, 401, S100, S125), and a control unit (40). The electric motor (10) receives power supply to dr...
https://drivepatents.com/patents/1009611 · 7 Sep 2011
A handheld engine-driven cutter is provided with a disk blade and a main body that drives the disk blade. The main body comprises a four-stroke engine, an oil supplying opening from which engine oil is supplied, and an oil exhausting opening from which the...
https://drivepatents.com/patents/1011742 · 22 Jun 2011
One aspect according to the present invention includes a battery pack (10) and a shock absorbing device (15, 31, 75) interposed between a battery cell holder (30) and a case body (12) and capable of keeping the battery cell holder (30) and the battery cell...
https://drivepatents.com/patents/1012475 · 1 Jun 2011
A two-stroke engine is provided with a piston, a cylinder that houses the piston in a manner allowing reciprocation, a crankshaft that is connected to the piston via a connecting rod, a crankcase that houses the crankshaft in a manner allowing rotation, a ...
https://drivepatents.com/patents/1013489 · 27 Apr 2011
The device (100) has a connecting piece (10) for connecting a fuel pipe (11,12) of an engine, particularly an engine of a small working device, e.g. for cooking, forest care and landscaping or a motor driven tool. An induction pipe (13) is provided, which ...
https://drivepatents.com/patents/1013680 · 20 Apr 2011
The engine (100) has a cylinder (12) comprising an intermediate flange (15) with a carrier bridge (15a) and extending along a piston running direction (13) from a crankcase side (12a) to a head end (12b). A holding device is provided for mechanical holding...