Patent application number | Description | Published |
20080276776 | Dust collecting devices for machining apparatus - A dust collecting device for collecting cutting chips into a dust collecting container is provided. A back-flow preventing wall(s) is fixedly disposed on a flow path member defining a flow path between a machining apparatus and the dust collecting container. The back-flow preventing wall(s) is configured to decrease a cross sectional area of a flow path part defined by the flow path member in a downstream direction with respect to the flow of the air containing the cutting chips toward the dust collecting container. | 11-13-2008 |
20090173200 | Cutting devices - A cutting device includes a table for placing thereon a workpiece. A tool unit supports a cutting tool and is laterally tiltably supported on the table, so that the rotational axis of the cutting tool can be inclined relative to a horizontal direction. A positioning device includes a first positioning member and a second positioning member that can interact with each other to position the tool unit at a plurality of laterally tilted positions. At least one of the first and second positioning members can be moved to change the laterally tilted position positionable by the positioning device. | 07-09-2009 |
20090235796 | Table cutting machine - One aspect of the invention can include a cutting machine having a table supporting a workpiece, a cutting machine body able to move vertically and laterally, the cutting machine body is supported on the table by a body supporting member. The body supporting member includes a fixed-side support member, a tilting-side support member connected to the fixed-side support member by a lateral tilt shaft, a fixing screw capable of fixing the tilting-side support member to the fixed-side supporting member, a fixing lever capable of rotating the fixing screw, the fixing lever has two grips capable being held for operating the fixing lever, and the two grips are arranged to extend upward in a V-shape from a head of the fixing screw. | 09-24-2009 |
20090235797 | Table saws - A table saw includes a table capable of supporting a workpiece, a cutting unit and a positioning fence. The positioning fence has a positioning surface for supporting the workpiece. The positioning surface is divided into an upper positioning surface and a lower positioning surface that are positioned above the table. First slide fences allocated to the lower positioning surface and second slide fences allocated to the upper positioning surface are slidably supported in a table surface direction relatively independent from each other. The positioning surfaces of the first and second slide fences constitute an entire region of the positioning surface. In this way, the entire region of the positioning surface is made to be slidable in accordance with various operation modes. | 09-24-2009 |
20090249929 | Dust-collecting devices and cutting devices with the dust-collecting devices - A dust-collecting device for collecting cutting chips produced by a cutting device has a separator for separating the cutting chips from the carrier air by utilizing the force of gravity upon the cutting chips. A dust container collects the cutting chips separated by the separator. The separator includes a separator body having a cutting chip discharge pipe and an air discharge pipe. After separation the carrier air is discharged upward from the separator body via the air discharge pipe. The separated cutting chips are discharge downward from the separator body via the cutting chip discharge pipe. The dust container is connected to the cutting chip discharge pipe. | 10-08-2009 |
20100005938 | Cutting devices - The present invention includes a cutting device including a table and a cutting unit disposed on an upper side of the table and vertically movably supported by the table via a slide mechanism. The slide mechanism enables the cutting unit to slide in a sliding direction relative to the table within a plane substantially parallel to a surface of the table. A slide lock mechanism can lock and unlock the sliding movement of the cutting unit and includes an operation member operable to slide for locking and unlocking the sliding movement. | 01-14-2010 |
20100122619 | Cutting units and drive systems used for cutting devices - One aspect according to the present invention includes a cutting unit for a cutting device. The cutting unit has a gear chamber. A partitioning member can partition the gear chamber at a midpoint of a transmission path of rotation of a gear train from an electric motor to a spindle. | 05-20-2010 |
20110209593 | TABLETOP CUTTER - A grip portion is provided so as to be movable between a non-operation position and an operation position in the axial direction, and only in the state in which it has been moved to the operation position, the rotating operation is effective, making it possible to lock and unlock a lock mechanism, while at the non-operation position, the grip portion idles so that the lock mechanism does not operate. | 09-01-2011 |
20110232443 | CUTTER - The objective is to improve durability while making it possible to maintain an excellent cutting plane and feeling of use with a simpler configuration. Disclosed is a tabletop circular saw for which a main body equipped with a saw blade that is rotated by the driving of a motor is provided to be capable of vertical movement on a base on which a material to be cut is placed; the output shaft of the motor is provided parallel to a spindle of the saw blade; and an automatic torque adjustment mechanism, which is equipped with a drive pulley, a follower pulley, and a belt, and which automatically adjusts the torque transmitted from the output shaft to the spindle according to the load when the saw blade rotates, is provided between the output shaft and the spindle. | 09-29-2011 |
20110247223 | RECIPROCATING CUTTING TOOLS - A reciprocating cutting tool includes a motion converting mechanism configured to convert rotation of a rotary member into a reciprocating motion of a slider coupled to a rod capable of mounting a blade thereon. The reciprocating cutting tool further includes a slider support mechanism including a first support mechanism and a second support mechanism disposed at different positions along a reciprocating direction of the slider and each supporting the slider such that the slider can move in the reciprocating direction. The first support mechanism includes a first member and a second member disposed on opposite sides of the slider in a holding direction perpendicular to the reciprocating direction and each slidably contacting the slider. | 10-13-2011 |
20110252936 | CUTTING DEVICES - A cutting device includes a cutting unit having a rotary blade, a table for placing a workpiece thereon, and a support device vertically movably supporting the cutting unit relative to the table. The cutting unit includes a blade case. The blade case covers an upper portion of the rotary blade and has a dust discharge member for discharging dust produced at a cutting region. The cutting device further includes a dust guide device disposed on at least one of an upstream side and a downstream side of the dust discharge member with respect to a flow of the dust. A position of at least a part of the dust guide device changes relative to the dust discharge member according to change of the vertical position of the cutting unit. | 10-20-2011 |
20110283857 | CUTTING TOOLS - A cutting tool includes a tool unit having a rotary circular blade, a movable cover mounted to the tool unit and having a cover body movable in a moving direction to cover and uncover a part of the rotary circular blade by the cover body, and a position adjusting mechanism configured to adjust the position of the cover body of the movable cover in an adjusting direction different from the moving direction. | 11-24-2011 |
20110296697 | CUTTING TOOLS - A blade mounting device of a cutting tool includes a lock device and a blade guide. The lock device is configured to releasably lock a blade against a rod of a cutting tool. The blade guide is movable relative to the rod in an axial direction of the rod and is coupled to the lock device, so that the lock device locks and releases the blade in response to position of the blade guide in the axial direction. The blade guide has a guide recess having a bottom and capable of guiding and engaging the blade, so that the blade guide can be moved by the blade in the axial direction through engagement of the guide recess with the blade. The blade guide has a configuration other than a thin flat plate configuration. | 12-08-2011 |
20120017735 | CUTTING TOOLS HAVING MOVABLE COVER MOUNTING STRUCTURES - A cutting tool includes a tool unit having a rotary cutting blade, a movable cover configured to cover the rotary cutting blade, and a rotary support member mounted to the tool unit and rotatably supporting the movable cover about a rotational axis. The rotary support member and the movable cover has contact surfaces that slidably contact with each other or slidably contact with contact surface of an intermediate member interposed between the rotary support member and the movable cover. At least one of the contact surfaces includes a groove formed therein, so that the groove can receive cutting powder or chips produced by the rotary cutting blade during a cutting operation and entering between the movable cover and the rotary support member. | 01-26-2012 |
20120055302 | STRUCTURE FOR PREVENTING REMOVAL OF FIXING TOOL FOR SPLITTER IN CUTTING MACHINE - A table saw is provided having a splitter extending along the saw blade in order to prevent so-called kickback of a workpiece to be cut, which is caused by the rotating saw blade. | 03-08-2012 |
20120055310 | CUTTING MACHINE - One aspect of the invention includes, a cutting machine, such as a table-top circular saw having a table for placing thereon a workpiece, and a cutting machine body having a saw blade rotated by an electric motor. An insulation member may be attached to a tilt support shaft that vertically movably supports the cutting machine body relative to the side of a body support section constituted mainly by a table, so that conduction of a radio frequency current from the cutting machine body to the body support section is blocked. | 03-08-2012 |
20130087034 | CUTTING DEVICES - A cutting device includes a table for placing thereon a workpiece. A tool unit supports a cutting tool and is laterally tiltably supported on the table, so that the rotational axis of the cutting tool can be inclined relative to a horizontal direction. A positioning device includes a first positioning member and a second positioning member that can interact with each other to position the tool unit at a plurality of laterally tilted positions. At least one of the first and second positioning members can be moved to change the laterally tilted position positionable by the positioning device. | 04-11-2013 |
20130269497 | TABLE SAWS - A table saw includes a table capable of supporting a workpiece, a cutting unit and a positioning fence. The positioning fence has a positioning surface for supporting the workpiece. The positioning surface is divided into an upper positioning surface and a lower positioning surface that are positioned above the table. First slide fences allocated to the lower positioning surface and second slide fences allocated to the upper positioning surface are slidably supported in a table surface direction relatively independent from each other. The positioning surfaces of the first and second slide fences constitute an entire region of the positioning surface. In this way, the entire region of the positioning surface is made to be slidable in accordance with various operation modes. | 10-17-2013 |
20130277081 | RECHARGEABLE ELECTRIC POWER TOOL - A rechargeable electric power tool includes a battery pack that is detachably provided on a housing accommodating a motor and that supplies electric power to the motor, and a tool that is driven by the motor. A standby switch and a lock-on switch are arranged at the housing. The standby switch is able to set the rechargeable electric power tool to a standby state where the rechargeable electric power tool waits for the motor to be driven. The lock-on switch is able to shift the rechargeable electric power tool from the standby state to a state where the motor is driven so as to keep the state where the motor is driven. | 10-24-2013 |
20130340261 | JIGSAW - A jigsaw includes a housing, a motor, a blade, a roller holder and a dust collection passage. The housing accommodates the motor. The blade driven by a motor protrudes downward from a front part of the housing and moves in a reciprocating manner to cut a workpiece. The roller holder is pivotally arranged under the housing and holds a roller that is arranged between a pair of side walls facing each other. The roller abuts on a rear part of the blade. The dust collection passage formed through the housing has a dust collection port that opens behind the roller holder. The jigsaw further includes a dust collection nozzle that has a vertically long opening formed on a front face and a rear face thereof respectively, the opening on the front face being connected to the dust collection port. | 12-26-2013 |
20140331506 | RECIPROCATING CUTTING TOOL - A jigsaw includes a motor, a rod having a blade attached thereto, a power transmission portion that converts rotation transmitted from the motor to vertical movement of the rod to vertically move the blade, and a counterweight that moves vertically in a direction of the vertical movement of the rod outside a range of the vertical, movement of the rod and the blade. At least a part of the counterweight is disposed so as to cross an extended line of a trajectory of the vertical movement of the rod. The counterweight moves vertically independently of the vertical movement of the rod which is produced by the power transmission portion. | 11-13-2014 |
20140331840 | CUTTING MACHINE - The task is to achieve high cutting capability by using a simple configuration capable of maintaining a compact size and low cost. In a bench circular saw, a unit from a motor to a saw blade is provided as a separate member in a main body, and is held in the main body so as to be movable in a longitudinal direction at a lower limit position of the main body. A great cutting width can thus be ensured without the need to slide the entire main body in the longitudinal direction, namely by using a simple configuration in which only the unit is swung. | 11-13-2014 |
20140373366 | Jigsaw - A jigsaw includes a main body having a grasping part configured to be grasped by a user, a blade projecting downwardly from a front part of the main body and configured to reciprocate up and down, and a base coupled to a lower part of the main body and configured to make contact with a workpiece. A rear end of a contact surface that is configured to make contact with the workpiece is located at a position that coincides with or is rearward of the rear end of the grasping part. | 12-25-2014 |
20150059548 | CUTTING DEVICES - A cutting device may include an electric motor, a cutting blade, a clamp device and a drive system. The clamp device may include a first flange and a second flange configured to clamp the cutting blade therebetween. The drive system may transmit rotation of the electric motor to the cutting blade via the first flange. | 03-05-2015 |