Patent application number | Description | Published |
20080245542 | Hammer drill - It is an object of the invention to provide an improvement in ease of operation of a driving mode switching mechanism in a hammer drill. According to the invention, a representative hammer drill includes a driving mode switching mechanism which has an operating part, a first switching member and a second switching member. The operating part can be turned to at least three rotating positions in its circumferential direction, while the operating part can be turned 360° on the rotation axis in the both directions. Thus, the user can select the desired driving mode in the shortest turning distance without passing through an unnecessary driving mode position. Therefore, ease of operation in mode change can be enhanced. | 10-09-2008 |
20090321101 | Power tool - It is an object of the invention to provide a technique which contributes to reduced size of a vibration-proof handle for a hand-held power tool. A representative hand-held power tool includes a power tool body | 12-31-2009 |
20100155095 | Power tool - It is an object of the invention to provide an effective technique for reducing adverse effect of a dust suction device on the operability of a power tool, in the power tool which can suck dust generated during operation. The power tool has a motor | 06-24-2010 |
20100236800 | POWER TOOL - It is an object of the invention to easily determine a currently-selected operation mode in a power tool which offers several operation modes. A representative electric hammer drill | 09-23-2010 |
20100236801 | IMPACT TOOL - It is an object of the invention to provide a technique that contributes to realizing both the switch selecting function and the handle vibration-proofing function, in an impact tool which can switch an operation mode of a tool bit. An impact tool includes a motor | 09-23-2010 |
20110003541 | SANDER - It is an object of the invention to improve usability of a movable handle, in a sander having the movable handle. | 01-06-2011 |
20110008117 | DUST COLLECTING ATTACHMENT - It is an object of the invention to provide a technique that contributes to rationalization of dust collection, in a dust collecting attachment for use on a power tool. | 01-13-2011 |
20110008118 | DUST COLLECTING ATTACHMENT - A technique for allowing a user to operate an operating member disposed in a front end region of a power tool in the state in which a dust collecting attachment designed to be attached to the front end region of the power tool is left attached to the power tool. The dust collecting attachment is used on a power tool having an operating member for removal and/or bit angle setting of a tool bit coupled to a front end region of a tool body. The dust collecting attachment has a dust collecting member which can be attached to the front end region of the tool body. The dust collecting member has an opening formed in a region which faces the operating member in the state in which the dust collecting member is attached to the tool body, and the operating member can be operated by user's finger through the opening. | 01-13-2011 |
20110114347 | HAND-HELD TOOL - An effective technique for detecting several load conditions different in presence or absence and magnitude of load applied to a tool bit is provided in a hand-held tool. A hand-held tool | 05-19-2011 |
20110239398 | DUST COLLECTING DEVICES - One aspect according to the present invention includes a fuel cell battery system including a fuel cell battery assembly and a fuel gas tank. A suction device is driven by a motor and capable of producing flow of air for collecting dust. The motor can receive the supply of power from the fuel cell battery assembly. The fuel cell battery system, the motor and the suction device are assembled within a case. | 10-06-2011 |
20110260414 | POWER TOOL - An effective technique is provided for rationally clamping and holding various kinds of tool bits which can be selectively replaced with each other and attached to the driving shaft, in a power tool | 10-27-2011 |
20110290517 | IMPACT TOOL - A representative impact tool includes a bit holding device | 12-01-2011 |
20110308830 | POWER TOOL - A power tool that performs a predetermined operation by using a tool bit and has a grip part and a dust suction device. The dust suction device has a dust suction part that extends in an axial direction of the tool bit and sucks and collects dust generated during operation at a tip of the tool bit, and the dust suction part can be moved between a first position in which the dust suction part covers a bit tip of the tool bit and a second position in which the bit tip is exposed. The dust suction device further has an operation mode switching mechanism that is capable of switching between a first operation mode in which the dust suction part is allowed to move between the first and second positions and a second operation mode in which the dust suction part is locked in the second position, and the operation mode switching mechanism is provided in a region of the grip part or its vicinity such that it can be operated with a user's hand holding the grip part. | 12-22-2011 |
20120024555 | IMPACT TOOL - Representative impact tool according to the invention includes a reaction force transmitting member | 02-02-2012 |
20120031638 | POWER TOOL - A representative power tool according to the invention performs a predetermined operation on a workpiece at least by axial linear movement of a tool bit | 02-09-2012 |
20120067605 | STRIKING TOOL - A technique for improving the vibration-proof effect and usability of a handle is provided in an impact tool. An impact tool is provided which linearly drives a tool bit in an axial direction thereof to cause the tool bit to perform a predetermined hammering operation. The impact tool includes a motor, a striking mechanism part, that is driven by the motor and causes the tool bit to linearly move, a tool body that houses the motor and the striking mechanism part, an outer shell housing that covers at least part of the tool body and is connected to the tool body via a vibration-proofing first elastic element so as to be movable in a direction transverse to the axial direction of the tool bit with respect to the tool body, and a handle which is designed to be held by a user and connected to an opposite side of the outer shell housing from the tool bit via a vibration-proofing second elastic element so as to be movable in the axial direction of the tool bit with respect to the outer shell housing. | 03-22-2012 |
20120205131 | POWER TOOL - An improved power tool is provided which can alert a user of any halfway selection of a driving mode of a tool bit. A representative power tool is provided which is capable of switching among driving modes different in driving state of a tool bit | 08-16-2012 |
20120210535 | DUST COLLECTING DEVICE - It is an object of the invention to provide a technique for adapting to the length of a tool bit mounted to a power tool when tool bits of different lengths are selectively used by replacement to perform an operation, in a dust collecting device for collecting dust generated by operation of the power tool. A dust collecting device | 08-23-2012 |
20120234570 | POWER TOOL - A power tool comprising: a body ( | 09-20-2012 |
20120279740 | STRIKING TOOL - A technique for making a handle vibration-proof while avoiding size increase is provided in an impact tool. The impact tool has a striking mechanism part for driving a tool bit in its axial direction, a motor for driving the striking mechanism part, a tool body housing the motor and striking mechanism part, an outer shell housing covering part of the tool body, a handle that is integrally formed with the outer shell housing and extends transversely to the axial direction, a first handle end portion formed on one extending end of the handle, a second handle end portion formed on the other extending end of the handle, a first elastic element that connects the first handle end portion and tool body for relative movement in the axial direction, and a second elastic element that connects the second handle end portion and tool body for relative movement in the axial direction. | 11-08-2012 |
20130098648 | POWER TOOL - It is an object of the invention to provide a technique which contributes to reduced size of a vibration-proof handle for a hand-held power tool. A representative hand-held power tool includes a power tool body | 04-25-2013 |
20140138111 | IMPACT TOOL - It is an object of the invention to provide an improved impact tool in which a biasing member is not affected by dust. | 05-22-2014 |
20140138112 | IMPACT TOOL - A hammer drill serving as an impact tool is provided with a crank housing that accommodates a crankshaft, and a cylinder accommodated in the crank housing. Receiving portions that receive the cylinder which is pressed rearward are provided at multiple locations of the crank housing in the front-rear direction. At least one of the receiving portions is disposed to receive the rear-end portion of the cylinder. A portion of the cylinder, which is received by another one of the receiving portions is a circlip (circumferential member) made of a metal. | 05-22-2014 |
20140138114 | DUST COLLECTING DEVICE AND POWER TOOL HAVING THE SAME - A dust collecting device | 05-22-2014 |
20140174777 | IMPACT TOOL - An impact tool is provided which has a driving mechanism | 06-26-2014 |
20150042052 | WORK TOOL - A power tool includes a spindle and a clamp shaft, and drives a tool accessory clamped by an outer flange and a clamp head. A ball or a grooved clamping element is configured to hold the clamp shaft against the spindle in a fixed manner. A holding element holds and moves the ball or grooved clamping element. A coil spring biases the holding element. The ball or grooved clamping element is movable between a first position where it holds the clamp shaft and a second position where it does not hold the clamp shaft. The holding element is capable of moving the ball or the grooved clamping element from the first position to the second position. The coil spring biases the holding element and prevents movement of the holding element when the ball or the grooved clamping element is located in the second position. | 02-12-2015 |