Patent application number | Description | Published |
20080283017 | Engine Start Device - An engine start device having a first start mode in which the engine is started on a spot by executing a start operation of the engine, and a second start mode in which a necessary accumulated force is previously accumulated in to start in one time in an optional place at an optional timing. In the first start mode, an accumulated force, accumulated by a rotation of a rotation drive section allows the engine to be started on the spot. If switched to the second start mode, the rotation of the rotation drive section is exclusively accumulated and released in the optional place at a desired time so as to start the engine in accordance with a one-touch operation. | 11-20-2008 |
20090007439 | AUTO CHAIN TENSIONER - The invention relates to an auto tensioner of a chain saw. A spiral guide groove ( | 01-08-2009 |
20090100688 | Chainsaw - A chainsaw includes: a body case | 04-23-2009 |
20090235538 | Portable Work Machine - A chain saw as a portable work machine includes: a body in which an engine is accommodated; a carburetor accommodated in a top handle for generating air-fuel mixture to be supplied to the engine; an air cleaner provided on a lateral side of the body; and an intake communication passage that intercommunicates between the air cleaner and the carburetor. | 09-24-2009 |
20090235893 | Two-Cycle Engine - A two-cycle engine includes a crankshaft that has shafts on both sides and a crankcase that pivotally supports the shafts of the crankshaft through bearings. A collar is circumferentially provided on an outer ring of one of the bearings that supports one of the shafts on a side at which a low load is applied. The crankcase is provided with an inserting portion into which the one of the bearings is inserted. The inserting portion penetrates the crankcase while keeping a constant diameter. An engaging portion with which the collar is engaged from an inner side is provided in an inner portion of the inserting portion. | 09-24-2009 |
20100163337 | MUFFLER - A muffler includes a muffler body in which a muffler chamber is formed by a base, a cover, and a baffle accommodated in the muffler chamber and disposed in the vicinity of the exhaust gas entry port of the muffler body. A guide portion which changes flow of an exhaust gas that enters from the exhaust gas entry port is integrally provided to the baffle by cut-and-raise of a portion of the baffle. | 07-01-2010 |
20120146249 | CARBURETOR - In a carburetor ( | 06-14-2012 |
20120180769 | Two-Cycle Engine - A two-cycle engine having a structure in which the shaft center C | 07-19-2012 |