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JP5419733B2 |
A screwdriver bit configured in such a way that when the tip of the screwdriver bit is to be fitted into a bit fitting groove of a screw, said bit fitting groove being formed on the top surface of the head of the screw, then damage is pr...
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JP3188583U |
To provide a connecting rod structure having an angle rotation function in which a grip can control the shaft rotation of a driver head at a right angle to a main body in an electric or manual tool. A connection rod structure having an a...
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JP2014000622A |
To provide a small ratchet part that is superior in handleability to be formed in a small type, returns to an original hexagonal shaft replacing type driver when unnecessary, and is formed as a ratchet driver by adding the ratchet functi...
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JP3187855U |
To provide a tap which can be attached to a portable electric tool such as an impact driver and can be rotated in the forward and reverse directions without using an adapter, and can also be attached to a manual tool such as a tap wrench...
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JP5278652B2 |
A screw driver is provided and made of an antibiotic material. The screw driver includes a tip blade corresponding to screw heads of various shapes and a rope-shaped shaft made of metal wire or resin wire with sufficient flexibility, sof...
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JP3185417U |
To provide a slide cover structure of an arbor capable of bidirectional sliding which can be expanded and contracted in multiple stages. A bidirectional slide cover can be adjusted in multiple stages and expanded and contracted, and a pr...
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JP5261630B2 |
To rotate a rotating shaft body without re-gripping a holding body by a simple configuration. This rotary tool comprises a driver shaft 2 which is vertically movably and rotatably engaged with a grip body 1 to receive the biasing force o...
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JP3185294U |
To provide an insert nut attachment / detachment tool which can be attached / detached so that an insert nut can be reused. An insert nut 7 is provided with a male threaded portion 71 on an outer peripheral surface and a female threaded ...
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JP2013146842A |
To provide a screwdriver tool for removing a screw in which the tip of an operation part can be prevented from being broken when the operation part is driven in a cone-shaped damaged concave part, and furthermore, by making an operation ...
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JP2013146830A |
To provide a screwdriver tool for removing a screw by which the screw can be removed precisely while capturing a remainder wall remaining in an operation groove of the screw by a biting edge and a drive plane.Four rib-shaped projections ...
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JP5238076B2 |
Outer peripheral ends of torque transmitting section (20) of fitting projections (16) are made to contact with the side wall surfaces of torque transmitting sections (18) of recesses (12), and tightening torque is transmitted to a screw ...
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JP2013128990A |
To solve a problem that the shape of a driver is large because a large handle part for generating a large rotational torque is needed for loosening a screw in a fixed condition, and further although there is an offset type driver it can ...
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JP2013522560A |
A drive formation for a rotary drive, for example a depression in the end face of a screw, has two regions with different cross-sections, but with a cross-sectional form having a certain similarity, arranged axially in succession. Due to...
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JP5202914B2 |
A rotary tool, wherein a holding and transmitting part (1) to hold a hexagonal column of a rotated body and give rotation force comprises a recessed part (2) and plate springs (3). The recessed part (2) has an inner face having an approx...
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JP3183572U |
To provide a fastening screw and a fastening tool configured so as to be able to secure strength (breaking torque) at the time of screw tightening and to effectively transmit rotation torque by a tool to a screw head. .. A fastening scre...
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JP5190130B2 |
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JP5186621B2 |
A driving tool including a guide groove shaped as a long hole receives a driver bit such that a portion thereof excluding its support is projectable outside of the handle body. The base material has the outline shape of the supporter of ...
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JP5181337B2 |
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JP5155888B2 |
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JP2013002629A |
To improve efficiency and robustness of screw driving work and to provide a screw that is hardly rusted by providing a set of a screw and a screwdriver having a structure where work can be performed using a single screwdriver even for sc...
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JP5091904B2 |
Recessed head fasteners are provided with a configuration by which the force applied by the blades of the driver to the recessed wings is applied at the radially outer regions of the wings. The wings of the fastener recess may be provide...
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JP2012166298A |
To provide a tightening and loosening assist tool for a driver that can be easily attached to a driver of a round rod-like shaft, and can tighten or loosen a screw or a nut by a strong force even without being removed from the driver eve...
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JP3178050U |
To add a ratchet function to an existing hexagonal shaft replaceable driver to make a ratchet driver, and to return to the original hexagonal shaft replaceable driver when it is not needed. Provide parts. The ratchet ring 2 is rotated an...
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JP4990235B2 |
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JP2012131005A |
To provide a fastener capable of easily performing the fastening work.A cross-tip screwdriver 100 which fastens a cross-head screw by rotating the cross-head screw includes: a blade edge section 2 to be engaged to the cross-head screw; a...
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JP2012132553A |
To allow fastening to be performed easily as well while pressing in a shaft center direction.In an antitheft screw 1 in which a head 3 is provided at one end of a shaft part 2 formed with a male thread 2a and three locking parts 31 are f...
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JP3175913U |
To provide a fast connecting rod having a simple structure, convenient pinching and firmness. A portion having a first end, a second end, a shaft hole penetrating the first end and the second end, and corresponding to the first end of th...
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JP4912396B2 |
A driver has a tip that enables it to engage each one of a conventional hexagonal-head fastener and a conventional lobed-head fastener. The tip includes alternating flutes and crests. The crests are substantially flat to engage straight ...
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JP4904350B2 |
A screwdriver having a retention mechanism for temporarily holding a screw in place on its tip while the screw is being positioned, rotated or removed. More particularly, a screwdriver with a cruciform head used in the installation and r...
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JP4902204B2 |
To provide a sealed type secondary battery with a bolt type terminal capable of being manufactured in a better work efficiency than before and matching the need for downsizing. An engaging hole 402 for a turning-together-preventive tool ...
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JP3173966U |
To provide a connecting rod of a screw driver which can be removed at high speed. A main body (20), an elastic fixing device (30) provided at one end of the main body, and a release device (40) provided on the main body and capable of re...
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JP4874575B2 |
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JP2012011472A |
To provide a screw driver that needs no power source, can be manufactured at low cost, reduces the labor of a user, and adjusts the strength for screwing a screw.The screw driver includes: a string winder firmly fixed to a driver shaft; ...
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JP2011255487A |
To provide a lower-cost adapter for assisting screwdriver rotation.The adapter for assisting screwdriver rotation includes: a grip 1 in contact with a palm of a user's hand; a shaft 2 rotatably attached to the grip 1; a fixed part 4 atta...
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JP2011245591A |
To provide an air-cushion driver comfortable to grip, and capable of improving a torque transmission function.This air-cushion driver includes a movement constraint part 3 for constraining rotation and forward-and-backward motion of a ro...
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JP2011240474A |
To solve such a problem that a screwdriver which has structure in which a handle is provided on an upper part and the screwdriver is rotatable together with a cross-shaped chuck disposed below the handle when produced according to a part...
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JP4823692B2 |
A screw having stabilized strength, combination with a driver bit that best fits the screw, and a header punch for producing the screw. The screw having stabilized strength has letter Y-shaped bit-fitting grooves formed in the head porti...
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JP4802185B2 |
A torque limiting tool including an inner handle having a tool coupling portion, a biasing assembly aperture, and at least one radially oriented slot. At least one interface member is located in the radially oriented slot. The interface ...
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JP4801837B2 |
A spiral drive system for threaded fasteners includes driver-engageable surfaces on the head end of the fastener in which at least some of the driver-engageable surfaces are defined by a spiral segment configured to maximize torque trans...
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JP4785423B2 |
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JP4787377B1 |
To provide a screwdriver tool capable of reliably removing a rusted screw by driving an operation edge into an inclined surface of the damaged recess even when the damaged recess of the screw is in a mortar shape. Ribbed protrusions 11 a...
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JP2011177815A |
To enhance entire surface hardness and abrasion resistance by providing a soft core body having the hardness lower than that of a hardened layer on the inner side of the hardened layer formed on an entire bit surface by executing a plasm...
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JP4773075B2 |
A plurality of mating splines (26) are located on an end of a tool for engaging the slots of the recess of a fastener. The splines are oriented to maximize torsional performance and to balance the shear strength of the pin with the shear...
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JP3170296U |
To provide a ratchet wrench capable of improving the stability of an overall structure. A main body 10, a ratchet 20, a pawl 30, an elastic component 40, and a ring 50 are included, the main body is provided with first and second capacit...
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JP2011156653A |
To exhibit an assist function even for various types of commercially available screwdrivers.A screwdriver rotation assist adapter includes: a grip portion 1 in contact with a palm; a shaft 2 rotatably installed to the grip portion 1; a f...
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JP4750315B2 |
A screw driving tool including an axially displaceable, drive spindle (5) located in the housing, a bit holder (6) having a shank (7) which releasably connects the bit holder (6) with the drive spindle (5), an axially adjustable depth st...
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JP2011140087A |
To provide a fastening tool corresponding to multiple kinds, which is capable of corresponding to fastening of multiple kinds of screws by one tool, has a simple configuration, and is convenient for storage and carrying, and also to prov...
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JP2011521188A |
The invention relates to hand tools and to threaded fasteners, and comprises a screw and corresponding screwdriver. The screw comprises a head and a threaded working end. The head slot for inserting the screwdriver is made in the form of...
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JP4729223B2 |
The invention relates to a hand tool, in particular in the form of a screwdriver or a file, comprising one or more working surfaces with a grooved profile. According to the invention, the grooves are formed by recesses which are created ...
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JP4731054B2 |
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