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JP3284023B2 |
PURPOSE: To make an operator dispensable with any trouble to carry around a tool such as a plier or the like separately in order to extract a driver bit of a screwdriver, and further to prevent a removed adjust sleeve from being missing....
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JP2002513331A |
A screwdriver blade construction has a tip (20). The tip (20) has a vertical wall (42-45) that is parallel to the blade's longitudinal axis and consequently parallel to the face of a screw groove. The opposite wall (32-35) of the tip (20...
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JP2002511027A |
The invention relates to a tool system that can be coupled to the drive shaft of a lathe. Said system comprises a tool holding fixture which can be connected to the lathe, and a took which is stored in a polygonal recess in the tool hold...
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JP3271868B2 |
PURPOSE: To provide a screw with recess having a high abrasion resistance to the tip of a tightening tool by inclining a surface for forming a side wall of the recess for a specific angle to an axial line of the screw, composing a star-s...
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JP2002069568A |
To provide tool steel having low decarburizing properties in which ferrite decarburization is suppressed, and surface hardness and fatigue strength are improved.This tool steel having low decarburizing properties has a composition contai...
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JP2002066939A |
To hardly crush a central part of a Y-type slot screw into a circular cone during screwing and unscrewing by forming a wide or 120° interior angle between slots of a screw head, and increase the thickness of each projection slightly to ...
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JP2002052475A |
To provide an insulated screwdriver manufacturing method, its manufacturing die and an insulated screwdriver for improving safety by minimizing metal exposed portions hardly to let short-circuit accidents happen.This manufacturing die K ...
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JP2001357702A |
To provide a light emitting shaft fixture which is removably equipped with a variety of goods such as a driver and a spoon or the like and is made very attractive by being even equipped with a light emitter that is lighted linked with th...
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JP2001527630A |
New system for holding and tightening screws, comprising a screw head with a mortise hole (1) which is bevelled in the screw axis and is provided with a plurality of lugs (2) and corresponding circular sections (3), a tip (4) of a screw-...
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JP2001527471A |
A palm driver has a rotatable drive member and an ergonomic handle body connected to the drive member through a ratchet mechanism and covered by a cushioning grip. The handle body is asymmetrically curved and is substantially continuousl...
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JP2001524392A |
A high-torque fastener having a threaded shaft and a star-shaped head is disclosed. The high-torque fastener is made of a resorbable or other non-magnetic material. A mating driver snugly fits around the star-shaped head of the fastener,...
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JP2001328074A |
To provide a driver bit capable of surely transmitting the driving force without displacing a working position in fastening and driving a screw into an engagement groove.As this driver But for a cross-recessed head screw is manufactured ...
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JP3229663B2 |
PURPOSE: To ensure efficient and balanced torque transmission by securing a sufficient depth of bit engagement of a driving tool. CONSTITUTION: A recessed drive socket 10 in a fastener or the like, is driven by a mating, drive tool 14 re...
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JP2001310266A |
To provide an epoch-making screwdriver with high commercial value.A chuck part 4 of a large diameter screwdriver body 3 provided with a large diameter bit part 2a continuously to a large diameter base body 2 is provided in a grip 1 at on...
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JP2001520124A |
The present invention relates to a screwing tool made of hardened steel such as a screw-driver insert. This tool comprises a screwing head (4) followed by a neck (6) bearing an identification mark, as well as a torque transmission sectio...
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JP2001300860A |
To provide a driver bit for obtaining a shape coinciding with an engaging groove of a screw and for reliably transmitting driving force. In this driver bit for a cross recessed screw, a vane part 10 capable of being engaged with an engag...
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JP2001519245A |
[Task] A driver tool for driving and advancing a screw into a material surface has been disclosed. This tool includes a converging screw engagement end (10). This end is provided with a screw engaging portion (24) that engages the screw....
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JP2001277144A |
To solve problems that when a screwing work is performed using a conventional driver a connecting string linked to the rear end of a handle part of a driver is gradually twisted and wound about the handle part to make the screwing work d...
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JP2001277142A |
To provide a blade lever replaceable hand driver holding a blade lever certainly in a handle body, and facilitating recognition of the blade lever suitable for a screw to be used and screw fastening. The hand driver comprises the blade l...
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JP2001269490A |
To provide a tool made of ceramics which prevents the occurrence of accidents caused by short circuits between wires even in the case of performing work between very tight wires in a distribution board or the like while maintaining hot w...
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JP2001515793A |
The invention relates to a force transmission structure especially for a screwing wrench with multiple corners. The invention is configured for an inner multiple cornered mating profile especially for a screw with a six cornered inner ca...
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JP2001246571A |
To provide a screw fastening device capable of rotating a screw fastener fitted to the shape of the head part of a screw without causing any axial slippage.This device comprises the screw fastener 7 formed cylindrically except the tip an...
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JP2001232574A |
To machine a prepared hole for attaching a screw and a bolt and perform the work for screwing the screw and the bolt after that by one member.An engaging projecting part engageable with an engaging groove formed in head parts of the scre...
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JP2001225277A |
To provide a plus-minus integral driver that can integrate a plus driver and a minus driver to reduce time required shifting the driver and to reduce the number of tools required for work and can make the rapid changeover between the plu...
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JP3199695B2 |
To provide a convenient driver case. A driver case for disposing a plurality of drivers composed of handles and bits comprises a base part 2 and a cover body 3 detachably provided at the base part 2. A space surrounded by the base part 2...
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JP2001219381A |
To remove and/or reuse a head end part of a bit which is fitted on a head part of a machine screw, a bolt, etc., in the case of installing and removing it and a plus groove provided on the head part of which is crushed when an edge of a ...
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JP2001205574A |
To provide a screw driver easy to insert into a driver groove and free from inconvenience resulting from backlash. This screw driver 1 is moved down from an initial position by driving a driving mechanism until its end 11 is inserted int...
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JP2001198842A |
To eliminate the inconvenience of ratchet operational direction switching in a ratchet type quick-turn screwdriver. By pressing the grip of the screwdriver in the direction of a bit, a clutch is engaged to be capable of transmitting torq...
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JP2001191254A |
To restrain occurrence of working failure of adjusting work, tightening work, etc., due to magnetization of a tool at the time of using a tightening tool, an adjusting tool, etc., under a circumstance where a magnetic field is generated ...
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JP2001179643A |
To provide a screw driver which is suitable for use in such an environment as to dislike magnetism in assembling a precision electronic apparatus and rusting in assembling precision machinery, lightweight and has hand fatigue and power c...
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JP2001162545A |
To provide an improved ratchet-type hand tool capable of providing additional structural and operational advantages while eliminating drawbacks of a conventional ratchet-type hand tool.An insulating ratchet-type screw driver 10 is provid...
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JP2001162552A |
To allow a worn down screw to be removed without applying any shock.It is configured so that a worn down screw 1 produced by the resistance between a reverse turn tapping screw 2 at the tip and a hitching part 3 can be removed with rotat...
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JP2001138259A |
To provide a screwdriver capable of deciding the limit torque with a high accuracy, composed of a less number of component parts, and not generating vibration and shocks in/to the shank in its axial direction. The torque-limited screwdri...
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JP2001121436A |
To compose a rotary tool with a reduced number of parts, used for opening and closing a plurality of rotary operation bodies, such as caps, having circular engaging grooves different in groove width and radius. Tip members 1, 2 are detac...
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JP2001113469A |
To provide a screwdriver usable for a screw of a (+) groove, a screw of a (-) groove and even for a dual service screw. A projecting part 1a is projected in a central part of a tip 1, the tip is formed into a projecting shape, and when u...
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JP3155888B2 |
PURPOSE: To provide a spanner which can be mounted on a member to be tightened, facilitates the working of the member to be tightened, and further, facilitate the tightening even when there is no sufficient space around the member to be ...
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JP3151178B2 |
To reliably insert a tool by almost constant inserting force by setting a width of a recessed part larger than a dimension of a spring ring measured in the width direction, and forming the spring ring so as to be at least areally elastic...
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JP2001088044A |
To provide a screw with cut-in portions, a nut and a driver, wherein a high safety is attained since mounting and demounting are hard if an exclusive tool is not used, the screw or a bolt is hard to drop off since it is held between proj...
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JP2001079778A |
To set a holder on a hexagon nut or a bolt and to fasten or loosen the nut with a reciprocating motion by providing another holder facing the holder branched from a handhold body, and fitting a recovery plate spring to the handhold body....
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JP3148727B2 |
To suppress the occurrence of come out phenomenon without reducing the strength of a cross head part. In a bit for rotary tool which is provided with cross head parts 2, 3 in which four blade parts 5 fitted in a cross groove formed in a ...
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JP2001062739A |
To provide an up-to-date multiple pen type screwdriver. This pen type screw driver has a slender front housing 10 including four screw driver heads 11 arranged in parallel partially slidable (refer to head 11A) from the housing selective...
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JP3145873B2 |
PURPOSE: To provide a driving tool capable of being mounted on a powered drill, holding a screw and observing the fastened state. CONSTITUTION: A transparent sleeve 14 is slidably fitted to the shaft 12 of this tool. The inner surface of...
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JP2001500794A |
A folding hand tool set having a one-piece, completely integral, plastic handle and a plurality of hand tools rotatably mounted thereto. The one-piece, completely integral, plastic handle is preferably constructed from a fiber reinforced...
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JP2001009744A |
To provide an appreciably convenient and innovative Phillips screwdriver bit structure.This bit structure has four prescribed-width blades 2 projecting radially at the tip of a bit rod 1. With a face F1 perpendicular to a center bit axis...
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JP2001009745A |
To reduce trouble in fastening and unfastening cross-recessed head screws in square corners by improving the efficiency of fastening and unfastening or increasing the turning angle of screwdrivers.This screwdriver comprises a crank-shape...
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JP3119826B2 |
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JP3119832B2 |
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JP2000516109A |
PCT No. PCT/AU96/00833 Sec. 371 Date Mar. 2, 1999 Sec. 102(e) Date Mar. 2, 1999 PCT Filed Dec. 23, 1996 PCT Pub. No. WO97/24991 PCT Pub. Date Jul. 17, 1997A driver for use in orthopedic surgery having a generally elongate housing adapted...
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JP2000334669A |
To strongly join a bolt or a wood screw and a rotation implement for them by providing both left and right cutting screws on a head part of the bolt or the wood screw and connecting the screws with the rotating tool having a joining part...
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JP2000280181A |
To provide a driver bit having less play when engaged in a screw driving hole. In a driver bit having an engagement part 4 in which blade parts 2, 2... and groove parts 3, 3... are alternately disposed around an axis, so that the engagem...
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