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JP2008275154 |
To provide a clutch mechanism for use in a power tool having a multi-speed power transmission assembly.The clutch mechanism includes a clutch member and a follower member. The clutch member is coupled to a member of the power transmissio...
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JP2008264905 |
To provide a power tool facilitating a normal position of a bit at the time of starting rotation of the bit, shortening a time to reach a sufficient number of revolution of the bit, and allowing a worker to easily judge that the number o...
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JP2008183638 |
To make the operability of connection and disconnection of a tool bit extremely excellent.This rotary tool is furnished with a chuck 2 constituted of a bit insertion hole 21 provided on a fore end surface of an output shaft 20 to be rota...
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JP2008178952 |
To provide a common hole machining device having the flexibility of adjusting of a machining position, when common hole machining is performed on rim flanges of pipes.The common hole machining device 10 performs common hole machining on ...
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JP2008173739 |
To improve operability for switching spindle rotation speed in a power tool capable of switching the rotation speed of a spindle at three stages by making use of a planetary gear mechanism.In the power tool having the planetary gear redu...
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JP2008168428 |
To obtain a turning leg of a drill stand in which stepless adjustment of a guide rail equipped inside a turning region is made with a comparatively small force, and fixing is performed with high flexibility.In the turning leg of the dril...
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JP2008168414 |
To reduce labor and time to connect a device for a tube to a through hole for connection in connecting the device for the tube to a tube wall by drilling the through hole for connection in a living state of the tube.This saddle for tube ...
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JP2008149432 |
To provide an auxiliary tool for boring, which is available when mounted on a hand-held boring tool, and can prevent delamination occurring during boring work.The auxiliary tool 10 for boring is formed of: a tool fixing portion 12 which ...
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JP2008149452 |
To provide an impact drill, obliquely workable still in sufficient output, by improving the impact drill provided in a driving motor arranged in a motor casing, an impact mechanism and a tool storage part.The tool storage part 5 and the ...
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JP2008142889 |
To provide an electric hand tool device for reducing a required constituting space.This hand tool device 2 has a switching transmission device 6, an installable impact mechanism 10 and a mode changeover switch 4, and freely switches the ...
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JP2008136900 |
To provide a discharge device capable of discharging an insulation oil stored in a casing of a capacitor for electric power inexpensively in a short period of time.The end face of a bottomed cylindrical device main body 2 is closely fixe...
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JP2008126335 |
To efficiently and easily perform the change and alignment of the boring position of a boring means with small labor while being able to surely bore at a predetermined boring position even if boring a plurality of places in the circumfer...
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JP2008114367 |
To provide an interlocking precision flexible rail system for carrying a positionable machine tool.This rail system uses a first rail element having a first step extending from a first end to a terminal end at a predetermined length on a...
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JP2008110473 |
To provide a method for drilling a hole having large depth and a hole in a material making hole-drilling difficult in a shorter time and by a simpler tool than the time and tool required in a conventional method.In this method for drilli...
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JP2008080432 |
To solve the problem that high-speed rotation of an output shaft having a tip tool attached unnecessarily increases the number of vibrations in a conventional vibration tool, resulting in reduction in durability of the vibration tool and...
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JP2008068398 |
To provide a drilling tool for removing a spot-welded section.The drilling tool comprises a housing, a motor arranged at a fixed position in the housing, and an edge component supported by the housing so as to move between an extended po...
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JP2008051611 |
To provide an angle display device operable with one hand and capable of visualizing and measuring an angle in the case of drilling processing by an electric power drill etc. at a constant angle, with solving such problems that there are...
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JP2008023782 |
To provide a power drill which fully absorbs impulsive force and reduces vibration and noise even in the case of a task requiring a large torque.The core drill (power drill) 1 is equipped with motor 3 as the power source, gear (intermedi...
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JP2007168062 |
To easily and quickly perform confirmation of an angle for retaining a drilling device and positioning, and also to accurately and quickly perform boring work of a horizontal hole and a vertical hole, when the vertical hole is bored on a...
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JP2007160501 |
To provide a self compensating mechanism which allows the eccentric masses and crankshafts to remain decoupled in the operation of the rotary-vibratory apparatus.The vibratory apparatus comprises a housing 21, the eccentric mass 22, the ...
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JP2007152918 |
To provide a drilling device capable of easily safely drilling a plurality of holes at a predetermined position in high position precision on a rigid surface such as a concrete surface or the like.The drilling device includes an instrume...
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JP2007144603 |
To provide a tool for guiding a motor-driven drill for forming a hole at a right angle with respect to the surface of a work to be bored.A guide for the motor-driven drill for forming a hole at a right angle with respect to a pillar is e...
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JP3964947 |
To ensure accurate fitting of a battery structure unit. Attachment of a battery casing 11a to a machine casing 12 is carried out by two guide pieces 34, 34 formed in the machine casing 12, and the piece 34 is engaged with a guide groove ...
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JP3961901 |
To provide an electric tool device which can perform module assembly, and prolong the service life of the device subjected to high stress impacts. In this electric tool device comprising an internal rotor 5 having a magnetic pole 4 and a...
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JP2007125688 |
To moderate inconvenience in using a chuck due to friction and immovability of a nut and a jaw.The chuck is used for manual and electric screw drivers. The chuck has a body 1 provided with a passage arranged inclined. A plurality of the ...
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JP3955745 |
To change the angle of a handle housing with ease without taking labor and time. The handle housing 7 to be turnably connected to a motor housing 2 is rockably provided with a rocking button 15 comprising a button section 16 and a suppor...
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JP3949189 |
To avoid the wear of a contact based on relative motion in a contact place between a hand type machine tool and a battery forming unit. A socket 51 can be shifted within a specified range in relation to a machine casing 12, and a centeri...
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JP2007105831 |
To provide a vibrating drill capable of achieving a reduction in the number of components, improvement in assembly workability, and cost reduction while maintaining original mode switching functions.The vibrating drill is composed as fol...
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JP2007105871 |
To provide an electric machine tool capable of removing or incorporating a battery without removing an additional means, an additional hand grip for example, for ease of attachment/detachment of the battery.A storage housing 11 has a fir...
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JP3936146 |
To provide mode switching with excellent operability. A cut part 14 allowing a spindle 6 to be moved backward when faced forward is formed at the lower part of a change pin 13 rotatably pivoted on a cam housing 9 at the rear of the spind...
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JP3924698 |
To provide a hole drilling attachment of a power drill and a power drill device having this attachment for safely and easily performing hole drilling work of an object having a cylindrical surface in a short time. This attachment is inst...
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JP2007055260 |
To provide a machine which enables even an unskilled worker to easily and rapidly make hole expansions evenly in a required shape, in a work for making the hole expansion at a required position inside a hole for constituting a connection...
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JP3924424 |
To constitute a drill machine light by furnishing the hand drill machine with a suitable outside casing and almost not restricting using possibility. A drill machine casing 1 opens in the drill machine vertical axial direction 8 on its f...
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JP2007049820 |
To provide a torque controller for a power tool capable of securely setting an initial set torque.The torque controller for the power tool includes a switching circuit, a voltage detection circuit, a torque detection circuit, and a proce...
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JP2007044868 |
To provide a hand tool device which can be manufactured at a low cost, and has a grip capable of securing a stable guiding operation in a sufficiently vibration-damped state.The hand tool device 2 comprises a main housing 4 which retains...
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JP2007038306 |
To solve a problem wherein vibration in drilling work is amplified by the structure of a speed reduction means comprising a combined gear with a helical gear and the drilling work becomes difficult in the steel pipe drilling machine for ...
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JP3911905 |
To easily switch impact action to drill action or vice versa by means of operations applied to an operating member. This impact rotary tool includes a switch means by which an anvil 6 supported rotatably relative to a drive shaft 4 is ma...
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JP2007030154 |
To provide an auxiliary tool such as for a drill assisting to straightly bore holes, and straightly insert screws to reduce failures wherein bores are diagonally bored or screws are diagonally inserted, when a hand-held electric drill an...
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JP2007023613 |
To provide drilling equipment which enables step mounting holes to be simply and accurately drilled in the positions of both legs of a step to be mounted, and which requires little labor even in a narrow manhole.This drilling equipment c...
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JP2007015062 |
To provide a vibrating drill, obtaining large drilling force.This vibrating drill includes: a first ratchet 34; a second ratchet 35, which is provided with a claw 35a engaged with a claw 34a of the first ratchet 34 and unrotatable; and a...
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JP2007015061 |
To provide a vibrating drill, restraining vibration propagation to a body frame to lessen discomfort and fatigue of a worker even if large pressing force is applied to the body frame.This vibrating drill includes: an axially movable spin...
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JP3899815 |
To improve assembling workability and to smoothly perform a mode switching operation, regarding an electric drill capable of switching a drill mode performing only rotation and a vibration drill mode performing vibration of a shaft direc...
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JP2006346852 |
To improve the conventional overload clutch assembly.When torque is lower than a first level, rotational driving force can be transmitted between a carrier and a first clutch panel, and when torque is higher than the first level, the fir...
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JP3892382 |
To provide a cheap hand-cranked diameter adjustable reamer for the repair of an engine valve seat, etc. with excellent user-friendliness, which has common usability for a discrete valve seat different in size or shape and also can easily...
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JP2006326722 |
To provide a perforating device capable of perforating a hole on a wall of a circular hole without worker's entering the circular hole.This perforating device comprises a perforating tool 2 with a drill 2a, a supporting part 3 supporting...
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JP2006320977 |
To provide a light unit attachment/detachment structure for a driving tool or the like that facilitates the detachment/attachment work of a light unit 10 and has a high light effect on the tip of a driving part.The driving tool is provid...
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JP3883022 |
To substantially improve workability and to shorten a working time in separating many spot welding parts. A rotating drill 3 is centered on a spot welding part S from one member W1 side and then the spot welding part S is sandwiched by t...
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JP3881232 |
To improve operability related to a mode change-over. In a flat washer 17a receiving a rear end of a coil spring 18a for setting clutch operating torque, a retreat position is regulated by a step like protrusion 31 of a journaling part 1...
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JP2006312215 |
To provide an anchorless drilling device capable of easily and appropriately drilling a wall surface in the vicinity of a ceiling without driving an anchor bolt in the wall surface.The drilling device is equipped with a drill unit 16a ha...
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JP2006305724 |
To obtain a hand tool such as hammer drill having a swash plate device of high stable durability.The hand tool 2 has a rotatable driver element 22 and a driven element 26 that is connected to the driver element 22 through a swash plate b...
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