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JP2021179231A |
To provide a ratchet mechanism whose minimum rotation angle at which the rotation direction control of a rotating part functions is further reduced, and a rotating tool for a fastening/loosening member having the ratchet mechanism.A ratc...
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JP3234907U |
To provide a cross screwdriver capable of effectively preventing the cross hole from being crushed at the time of tightening / loosening a machine screw with a cross hole used in a spectacle frame. In a cross screw turning used for tight...
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JP6953132B2 |
A screwdriver includes a handle having a handle channel extending therethrough and a shaft extending from a proximal end insertable into the handle channel to a distal end including a bit opening sized to receive a proximal portion of a ...
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JP2021526914A |
The present invention is a spring supported on the shoulder (10) of an abutment (9) whose shoulder position was set when calibrating the limiting torque as a result of tilt flanks during relative rotation around the axis (A). It relates ...
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JP2021151502A |
To provide a screwdriver such that selected one of bits is coupled thereto to accommodate differently sized screws.A screwdriver includes a handle (102) having a handle channel extending therethrough, and a shaft (104) extending from a p...
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JP2021133446A |
To reduce a load concentrated in a rotation axis direction of a fastener.A jig includes: a rotation shaft part which may contact with a fastener at its tip; and a pedestal part which supports the rotation shaft part in a manner that the ...
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JP6929557B2 |
To provide a ratchet driver which prevents a changeover switch from being erroneously operated during rotating operation of a grip section.A ratchet driver includes: a driver shaft mounting section 2 which is provided with a driver shaft...
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JP2021115659A |
To provide a nut temporary tightening tool that is lightweight and extremely less likely to strip the thread.A nut temporary tightening tool 1 includes: a rotation shaft 30 formed with a helical groove 30a which extends in a slide direct...
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JP6911023B2 |
The invention relates to a screwing tool with a longitudinal axis X comprising a first, drive part, which can receive torque, and a second, transmission part, which is designed to cooperate with a screw, in order to re-transmit to it the...
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JP6898672B2 |
To provide a driver bit configured so that a service life of the driver bit can be improved while preventing a blade part from being damaged.A driver bit 1 is formed in a shaft shape, which comprises a buffer shaft part 4 provided betwee...
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JP3232270U |
To provide a driver structure. A driver structure includes a main body 10, a switch set 20, a pressing set 30, and a third elastic member 40. The main body 10 is provided with a drive unit at one end and a handle is attached to the other...
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JP6849987B2 |
To provide a socket for work tool which prevents a sliding member from being detached from a work tool even when the sliding member is slidingly operated against the urging force.A socket for work tool includes: a socket body 5 which has...
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JP2021024072A |
To provide a tool for electric work that includes a hybridized-hardened end and has lightweight, high hardness and insulation properties.A tool for electric work includes a hybridized-hardened end that includes 10-30 wt.% titanium carbid...
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JP6815640B2 |
To provide a driver bit which can suitably fasten a screw, which is larger than a size restricted by a clearance such as a slit, and release fastening thereof against such a fact that a size (size of a nominal diameter) of a screw is res...
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JP3229444U |
To provide a quick release type tool connection rod capable of assembling a wide range of driver bits having various specifications and having a quick release function for operation. A quick release tool connection rod includes a body me...
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JP3228320U |
To provide a joint structure of an operation rod having an increased proof stress by increasing the strength of a joint portion of a rod body. The joint structure of an operation rod includes a rod member 30, and the rod member 30 includ...
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JP3228321U |
To provide a hand tool having increased strength and torque of a corner drive of a bed portion. A hand tool 20 includes a rod member 30 and a head portion 40. Two joints 31 are provided at the front end of the rod member 30 so as to be s...
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JP3228322U |
To provide a hand tool capable of strengthening structural support of a joint and improving twisting force. A hand tool 20 including an operation head includes a rod main body 30, a head portion 40, and a square drive 42, and two joint p...
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JP6765789B2 |
To provide a passenger conveyor specialized tool in which lowering of workability of screw stopper detaching is suppressed as far as possible, while workability of floor plate lifting is improved more than the conventional.A passenger co...
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JP2020157379A |
To provide a shaft holder which suppresses occurrence of decentering (run-out) when rotating a rotary jig in alignment with a base shaft inserted to a base shaft insertion hole, and to provide an electric driver comprising a base shaft h...
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JP6751802B1 |
To provide a driver bit and a screw tightening device capable of stably screwing a screw. A driver bit 10 for screwing a screw 40, a columnar bit main body portion 11 having a fitting portion 15 to be fitted to a head portion 42 of the s...
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JP6745440B2 |
To provide a composite material layer, of which diamond grains are combined with a contact surface of a hand tool, which improves a hardness of the contact surface and extends a use life for cutting, and prevents sliding, thereby prevent...
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JP2020116663A |
To improve efficiency for screw driving work for a screw in a narrow place.A tool set 10 includes three screw-driving tools 11, 12, 13 of which blade edges 112, 122, 132 are provided while being inclined or at right angle to shaft parts ...
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JP6732323B1 |
To provide a voltage detection unit device capable of imparting a voltage detection function to a general-purpose screw driver while maintaining practical strength as a screwdriver. One of the representative voltage detection unit device...
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JP6725190B2 |
To acquire a removing device of a passenger conveyor manhole screw capable of easily removing a passenger conveyor manhole screw.A removing device 1 of escalator manhole screw is used when removing an escalator manhole screw 2 in which a...
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JP2020104247A |
To provide a resin-made tool having strength, light weight, scratch prevention property, insulating property and rust prevention property.A resin-made tool is formed of a thermoplastic resin in which long fibers are dispersed and mixed.S...
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JP2020066091A |
To make it hard for a driver having a plate-like end part to fall off from a screw.A driver for turning a screw having a recess has: a grip part which a user using the driver grips; an axial part connected to the grip part; plate-like bl...
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JP6679028B1 |
To provide a driver bit capable of improving the life of a driver bit while preventing damage to a blade portion. The driver bit 1 is formed in a shaft shape, and includes a cushioning shaft portion 4 provided between one end portion 2 a...
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JP2020040142A |
To provide a driver and a screw which do not occur side slip.A needle-like projection is provided at a center of a blade tip of a flat minus driver. A bottom of a slot on a head groove of a minus screw has fine irregularities. The needle...
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JP2020037156A |
To make it possible to easily loosen a screw which has become difficult to loosen, without using large force.A screwdriver auxiliary tool 1 which is covered on a head of a screwdriver 12 and is used when loosening a screw 16, has a shape...
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JP3225488U |
To smoothly and quickly fit a screw into a bit fitting groove, and to concentrate stress on a bit fitting groove portion of the screw during a screw tightening operation, thereby crossing an edge of the bit fitting groove. Provided are a...
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JP2020028945A |
To suppress deviation of a washer with respect to a center shaft of a screw section when fastening a male screw having the screw section passed with the washer to a prescribed object.A driver is usable when fastening a male screw. The dr...
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JP6640469B2 |
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JP2019196808A |
To provide a screw with a centering hole, a wrench with a centering pin, an attachment with a centering pin and a driver with a centering pin which are compatible with the conventional screw and, although having the same strength, hardly...
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JP6598871B2 |
A drive system with full surface drive contact. The drive system tends to maximize the surface contact pattern or area at typical bit-recess reaction (drive) torque values, thereby tending to minimize bit-recess surface contact stresses,...
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JP6568346B2 |
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JP2019118979A |
To provide a voltage detecting driver which is a manual driver, includes a voltage detecting function, and can make a driver function be lost when contacting a charging part.A voltage detecting driver includes: a driver pit 11; a grip pa...
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JP2019519743A |
Fasteners, drivers and fastening systems are formed, one example of a fastener having a driver engageable surface at or within the shank tip of the fastener. Included is an exemplary embodiment in which at least one of the attachment sur...
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JP6459010B2 |
The present invention relates to a torque transmission driver comprising: a main body having a first end portion and a second end portion; the first end portion adapted to receive and transmit torque from a torque generation source; the ...
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JP3219704U |
To provide an impact resistant bit which is not twisted by a twisting force, can be protected from deformation and impact, and has an improved life. An impact resistant bit 100 includes an anti-twisting portion 10, a first anti-impact po...
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JP3219263U |
To provide a torque transmission device having a small number of parts, easy to manufacture, high reliability, good insulation performance, excellent torque transmission performance, and low cost, and mounting parts thereof. A torque tra...
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JP3218679U |
To provide a driver bit which is easy to handle and has a screwing depth adjusting function provided not to a rotary tool but to a driver bit itself. This is a driver bit having a screwing depth adjusting function used for screwing a scr...
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JP6415707B2 |
A ratchet tool includes a shaft member, a handle and a ratchet mechanism, in which the handle is connected to the ratchet mechanism, and the shaft member extends into the interior of the ratchet mechanism along the central axle of the ra...
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JP6410917B2 |
The present invention provides a speed increasing bidirectional mechanical converter, comprising a main shaft and a speed increasing planet gear unit. The speed increasing planet gear unit includes a first ring gear, a planet gear, a sun...
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JP2018155366A |
To provide a screw capable of being fit to a bit fitting groove smoothly and promptly, and being prevented from providing concentrated stress onto a bit fitting groove portion during screw fastening work so that generation of a burr-like...
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JP6399649B2 |
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JP2018149662A |
To provide a screw rotation tool that makes a simple constitution prevent a head of a screw and the tip of the tool from being easily disengaged from each other.A screw rotation tool comprises a tool tip 2 almost identical in shape with ...
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JP6374241B2 |
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JP3217348U |
To provide a tightening / loosening device having a detachable magnetic function. A tightening and loosening device including a handle 4, a magnetic force 5, and a bit 6, wherein the handle 4 has a grip 41 having a through hole 46 along ...
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JP6344037B2 |
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