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JP2002160110 |
To provide a drill stand allowing mounting and drilling of even an electric drill having no lock on mechanism on the drill body side, although a mainly direct current power supple type electric drill having no lock on mechanism of a conv...
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JP2002156010 |
To enable a planetary gear drive transmitting rotational movement, accompanied by rotational speed change controlled as a function of a torque, between a driving part and a driven part to be controlled by a minimum number of structure me...
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JP2002154062 |
To enhance slidability of an internal gear serving for speed change.A slide ring 24 slidingly operated from the outside by a connecting projection 29 is axially movably housed between the inside surface of a first gear case 8 and the cir...
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JP2002144251 |
To provide a fixing element and fixing method capable of fixing the fixing element to make in a specified fastened-in state to the optimum without involvement of a user.It is made possible to read an identification data of an identificat...
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JP2002144121 |
To provide a hammer drill having a rotation transmitting mechanism part and an impact transmitting part capable of restraining grease leakage.When a hammering element 12 advances toward a tip tool 25 in a cylinder 7, the internal pressur...
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JP2002137176 |
To improve the operability and the assembling workability of a tool holder device for an impact tool.A retainer sleeve 9 is provided with a hole 10 for holding a spherical body 5 fixed in the axial direction of the retainer sleeve 9, and...
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JP2002137109 |
To enable the work having arbitrary rotation and vibration capacity.An attachment 1 provided with a vibration function for a power tool has a mounting part 13 attachable to an outer frame 22 of an electric drill 15, an output shaft b3 ca...
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JP2002136036 |
To obtain a general purpose electric motor having a protective shield capable of completely protecting a commutator of a general purpose electric motor of a cross flow, ventilation from dust in the air, and sufficiently cooling the commu...
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JP2002127043 |
To provide an impact tool at low cost by reducing a machining cost of a retainer sleeve.When a tip tool 1 is separated from a work material, a retaining member 16 which retains a holding member 15 for holding an impact element 12 is prov...
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JP2002127044 |
To prolong service life by restraining increase of an internal pressure, in a motor-driven impact tool provided with an impact mechanism and a speed reduction mechanism driven by a motor.The impact mechanism and the speed reduction mecha...
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JP2002127045 |
To provide a hand-held impact tool device provided with a tool holder requiring no manual displacing operation by an operator for locking a tool.This hand-held impact tool device 1 comprises the tool holder 2 for receiving the tool gener...
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JP2002127103 |
To provide a drill for woodworking wherein an operator and an operation position are not contaminated with a great amount of perforation waste generated by perforating operation.In an angle type drill for woodworking (100) comprising a h...
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JP2002103119 |
To provide a boring device for making a hole on an inner wall surface of a building or the like, capable of executing the boring with comparatively small load by efficiently transmitting the torque of a driving source to a cutting edge, ...
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JP3292969 |
To provide a lightweight hammer drill at a low cost by enabling prevention of idle strike of hammer drill without moving a cylinder fore and aft. A cylinder 15 of a hammer drill 1 is made of aluminum and grasped by and fixed to a crank h...
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JP2002079478 |
To provide a single hand-operated power hand tool device that can ensure support of the power hand tool device weight by an operating hand and an accurate tool rest, via the arrangement of an operating grip near a front tool housing part...
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JP2002066958 |
To reduce the overall length of a crank driving mechanism for driving a pneumatic impact mechanism for a power tool device by reducing the bending moment applied to a crankshaft.This power tool device comprises an electro-pneumatic impac...
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JP2002066819 |
To provide a drill using a feeding mechanism formed of chains or the like in place of a screw feed mechanism and having a reversal prevention means for preventing a right-handed screw fixed in place by a drill body from rotating in loose...
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JP2002066959 |
To provide a power hand tool device capable of increasing the cooling efficiency of a striking mechanism, and improving the available striking efficiency by limiting the temperature of a housing wall to be a permissible critical value.In...
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JP2002059375 |
To reliably restrain a rotational motion of a tool holder in relation to a housing by a specified operation mode, in a hand composite power tool device having a plurality of operation modes.In this hand composite power tool device, an ou...
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JP2002059377 |
To provide an electric hand tool device capable of realizing safety by reading characteristics of a tool coping with the electric hand tool device.This electric hand tool device drives a tool 1 housed in a tool housing part 2 and charact...
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JP2002059376 |
To provide an electric hand tool device capable of easily switching the electric hand tool device for performing partial striking into the non-striking state.In this electric hand tool device, when at least the partial striking movement ...
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JP2002046007 |
To provide a power tool having a built-in planet gear device capable of changing speed to a high speed range without rotating an internal gear to eliminate an increase in inertia and generation of vibration and noise caused by arranging ...
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JP2002036142 |
To provide an electric hand tool device capable of easily separating the force transmission, and a method capable of reliably avoiding unacceptably large of a housing of the electric hand tool device.In this electric hand tool device hav...
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JP2002028878 |
To provide a hand tool device having two or more operation modes and a simple structure.This hand tool device has at least two operation modes 2 switchable by a connecting slider 4 arranged in the direction perpendicular to a tool spindl...
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JP2002018619 |
To provide a drilling device for drilling sections where channels and H steels used for the first excavation work in civil work are put on another.This device is provided with a drilling machine body which is attached to a vise body 1 so...
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JP2001353668 |
To provide an impact electric hand tool device further capable of reducing vibration.In this impact electric hand tool device including an impact mechanism 2, and provided with a first structure system provided to be freely movable along...
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JP2001353713 |
To easily and surely fix a drill head 15 at an optionally raised height in a core drill wherein a feed shaft 11 is laterally supported by a bearing of the drill head 15 installed in a liftable manner to a strut 34, the feed shaft 11 is r...
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JP2001353670 |
To extend a durable life of a pneumatic type impact mechanism while maintaining comfortableness of work by improving an idle shot preventing means for the pneumatic type impact mechanism in a hand power tool device.In a guide cylinder 2,...
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JP2001334402 |
To provide a hole working method of a large part and a working device short in working mandays and favourable in precision of a drilling position by applying hole working or tapped hole working on the large part by the working device whi...
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JP2001334479 |
To achieve lost-impact prevention in a simple structure.Front and rear O-rings 30, 31 are externally mounted on a striker 19 reciprocating in a piston cylinder 17. The rear O-ring 30 is used for sealing an air chamber 18 while the front ...
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JP3250046 |
PURPOSE: To efficiently recover drilling chips without scattering by extending bellows in the axial direction from the bottomed cylindrical body of a boring chip collecting part. CONSTITUTION: A drilling tool stand 1 on which a drilling ...
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JP2001310209 |
To provide a control method and a device devised to certainly eliminate lowering of an engaging value due to erroneous operation of a user as well as to constantly perform the optimum engaging value within a working material even when a ...
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JP2001310274 |
To provide the dust resistant structure having durability, and to provide a dust preventing device for preventing intrusion of the dust into a device, especially, an electric handy tool and for preventing the accumulation of the harmful ...
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JP2001310271 |
To improve the operability of a tool holder for impact tool.In order to always position a holder 6 at a position for locking the radial directional movement of a lock member 3, the rotating torque is applied to the holder 6 by a torsion ...
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JP2001300806 |
To versatilely apply a circular hole boring tool to various power tools. This circular hole boring tool 1 for boring a circular hole in a boring object, is provided with a bit holder 3 being concentrically installable on a driving shaft ...
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JP3243928 |
PURPOSE: To provide a power tool with a clutch excellent in operating performance, by directly engaging a member consisting of a clutch with a ring gear consisting of a planetary gear in such a way that a clutching operation can be surel...
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JP2001293613 |
To provide a working machine that can stabilize vertical and balanced positioning of a working means even under a heavy load, is constructible rigidly and inexpensively, is free from disabled operation even on damage and is repairable ea...
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JP2001277016 |
To improve the precision of a drilling state in drilling at an optional angle even without using other members such as a guide, etc. An angle detection means 61 to detect an angle of a main body 1, a computing means 64 to compare and com...
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JP2001269806 |
To provide a vise-clamping punch that can simultaneously punch a plurality of holes in a workpiece along the width or length thereof and is freely adjustable in the hole pitch. The vise-clamping punch comprises a clamping means for clamp...
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JP2001269926 |
To provide a small and a compact drilling machine which can be appropriately used in order to lay down a post driving anchor on a concrete ceiling face. A drill feed mechanism 3 is installed in an extensible support 2, coaxially, and a b...
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JP2001269807 |
To provide a power hand tool that has an improved lock mechanism for preventing rotation of a tool shaft. The power hand tool has a housing 1, an electric motor 2 contained in the housing and provided with a motor shaft 3, a tool shaft 4...
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JP2001260050 |
To provide a cam-driven hammer mechanism for a power tool.The cam-driven hammer mechanism 14 has a drive mechanism housing 46 connectable to the housing of a power tool, a first cam member 102, a second cam member 104, and a gear assembl...
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JP2001252805 |
To provide a railroad rail boring machine capable of obtaining a favorable right-angle accuracy in a vertical plane even if the position is repeatedly shifted and grasped for boring for the next hole and vertically moving a drill in a po...
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JP2001232580 |
To provide a hand held machine tool reducing the number of additional constituent members, a space, and assembly cost.At a position of a shut-off member 32 where locking bodies 18, 20 are released in the radial direction, the locking bod...
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JP2001232506 |
To insert a tension rod 28a of a rail tension apparatus 28 installed during punching for a rail 29 into a jig installing space 27 of a support table 2 when a work punch is positioned at the rail 29, to prevent accidental abutting of the ...
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JP2001232507 |
To provide a drill shaft vibration adapter capable of efficiently and precisely drilling a mortar wall, concrete, and a plaster board by applying vibration to a cutting edge of an electric drill.In the drill shaft vibration adapter mount...
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JP2001232579 |
To provide an inexpensive hand held machine tool with a simple structure having a large force transmission face, a low facial pressure, less wearing and long period of durability.This hand held machine tool, particularly, formed as a ham...
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JP2001227559 |
To provide a portable machine tool having one safety clutch in a driving system, on which the safety clutch has clutch members 14, 16 to transmit torque around an axis of rotation as its center, these clutch members are connected to each...
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JP2001228125 |
To provide a method and device for automatically adjusting the operation parameter of a working machine important for an optimum machining process by use of the data obtained by recognizing the kind of a base to be machined just before o...
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JP2001225282 |
To improve the operability and an assembling property of a tool holding device for an impact tool.When a tip tool 1 is inserted, a retainer sleeve 4 sliding in a front cover 14 retreats while bending a spring (A) 13 in the rear, and stee...
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