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JP4264349B2 |
A chuck ( 1 ) for tools, especially screwdriver bits with a polygonal section ( 2 ), has a polygonal cavity (3) for the insertion of the polygonal section ( 2 ). A wall ( 4 ) of the polygonal cavity ( 3 ) has a window ( 5 ) in which is d...
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JP3150134U |
To improve the durability of an identification function in a driver head structure with an identification function. The fitting hole 21 is made of an aluminum alloy identification ring 20 fitted to a body portion 13 of a driver head main...
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JP2009090438A |
To provide a tool in which water is prevented from intruding thereinto to provide a buoyancy.The body 1 of this tool comprises a grip 10 processed by injection-molding a plastic, a molded groove 11 formed in the top part of the grip 10, ...
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JP2009514609A |
A driver assembly may include a fastener and a driver. The fastener may have a head with upper and lower surfaces. An engagement portion may be located in the upper surface proximate a perimeter portion thereof. A shank may extend from t...
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JP4234757B2 |
An anvil adapted to be received within an impact wrench comprises a round body and a square head. The square head is formed at an end of the round body. A tapered ramp extends from the round body to the square head. A radius is formed in...
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JP2009039831A |
To provide a screwdriver which can be easily confirmed to be a desired one even if a tip tool is covered, and cannot be visually confirmed.A screwdriver 1 has a tip tool 11 formed at its tip in which, when the screwdriver is stored in a ...
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JPWO2007020681A1 |
We provide a driver bit that can be reliably removed by loosening the screw even if the screw shaft or screw head is rusted or the fan-shaped wall of the operation groove on the screw side is scraped off. Even if the screw head is a coun...
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JP3148534U |
To provide an improved structure of a screwdriver head with an identification ring. An aluminum alloy identification ring 20 has an outer ring surface protruding outward from a head portion 13, and is provided with a protective film laye...
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JP4221414B2 |
Tool handle includes a cylindrical body (10) with a bit compartment disposed at one end opposite an end that couples to a bit-coupling member. On one lateral side of the body is an opening in communication with the bit compartment and in...
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JP4220610B2 |
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JP2009008112A |
To provide a screw and a screwdriver capable of tightening and fixing by a strong tightening force without damaging a groove.This screw 10 has a head 20, a screw shaft 30 projecting out of the reverse surface of the head 20 and having a ...
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JP3147479U |
To provide a driver and a bit used for the driver, which can easily identify a conforming range of a screw size. Bit 8 is used as a driver. This bit 8 has a shank 28 and a tip 30. This tip 30 has a defined range of screw sizes. The tip 3...
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JP4205990B2 |
The present invention provides a screw, comprising a screw head having a drive recess and a screw shank having threads and being integrally formed with the screw head, wherein the drive recess includes a plurality of engaging grooves equ...
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JP3147448U |
To provide a hand tool capable of changing various operation methods. A storage chamber is provided at one end of a handle 10 in the vertical direction, a hole communicating with the storage chamber is provided along the radial direction...
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JP4201854B2 |
The ratcheting screwdriver comprises a handle with a working end and a reversible ratchet mechanism therein, the ratchet mechanism defining a bore which receives one end of an associated shank coaxially therein. A cup-shaped spinner is f...
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JP3147157U |
An improved screwdriver head structure having a blade portion 21 and a connecting portion 31, characterized in that: the blade portion 21 is located on one end of the screwdriver head 11 and has two or more engaging surfaces 24, wherein ...
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JP4197546B2 |
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JP4197599B2 |
The screw (10A) has slope portions (15) extending from edges (12a) of a screw head (10a), towards the center of neck portion (10b), step portions (14) between the slope portions, and conical bottom face (13) at center where slope portion...
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JP2008296367A |
To provide a ratcheting screwdriver preventing excessive fatigue of a user and efficiently performing screwing.The ratcheting screwdriver comprises: a working end with a handle and a reversible ratchet mechanism therein, and the ratchet ...
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JP3146887U |
A chuck includes a body (10) having an engaging groove (121) for releasably receiving a bit (80). A sleeve (20) is mounted around and movable relative to the body (10) along a longitudinal axis of the body (10) between a coupling positio...
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JP2008260116A |
To provide a spring screwdriver, allowing efficiently use of the screwdriver.This spring screwdriver is devised so that pressure is applied on a screwdriver shaft 4 to get in and out of a grip 1 by providing a spring 2 in the grip 1. Add...
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JP3145240U |
To provide a bit for a power tool capable of suppressing an inconvenience caused by a pressure received by a work object from a member on the tip end side of the bit for the power tool. A connecting member 23 is connected so that a base ...
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JP2008207285A |
To provide a screw fastening auxiliary tool which quickly copes with screw fastening of screws or bolts having a hexagonal head part or a hexagonal hole by a general screwdriver of a plus bit or a minus bit.This screw fastening auxiliary...
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JP4148475B2 |
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JP2008188679A |
To provide a tool socket which holds a driver bit portion having a mounting hole portion for mounting and dismounting a driver bit, to be so-called swingable.The driver bit is mounted and dismounted by the configuration where a collar me...
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JP2008183700A |
To solve a problem wherein a user gets tired when rotating a conventional driver for a screw as it is, and the user is easy to get tired since muscles used when rotating the driver are almost muscles of fingers of a hand and are small an...
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JP2008183686A |
To provide a multifunctional tool which can be used as a screwdriver too.At fore ends of a first member 201 and a second member 202, recessed portions 211, 212, 213, 221, 222, 223 constituting a Phillips screwdriver by cooperating the fi...
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JP4130259B2 |
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JP2008528910A |
Fastener The fastener comprises a thin drive head (40) and a threaded shaft (50), the head (40) having a recess with a top (11) and a bottom (12) to receive the tip of the screwdriver. Including place (25). The recess (25) further includ...
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JP4125684B2 |
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JP3143372U |
To provide a torsion bit with an encapsulation which can be applied to all torsion bits, has improved safety, strength, distinguishability, operability, durability and the like, and can be easily manufactured. An encapsulating body 5a fo...
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JP2008168418A |
To solve the problem wherein it is tiring to rotate a manually used screw driver as the muscles used when rotating the screw driver are mainly those of fingers which are small and limited, thereby making a person easily tired, and when t...
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JP2008168412A |
To provide a screw fastening device capable of screwing even a screw a top surface of a screw head of which is constituted of a curved surface such as a round head screw and having no recess on the screw head.A bowl-shaped depression 62 ...
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JP2008137091A |
To provide a driver bit which can prevent the floating-up of the tip end of the driver bit to be engaged with the engagement groove formed on the head of a screw when the screw is fastened or loosened by the driver bit.Edges 3 are provid...
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JP3142454U |
To provide a screw driver head structure having a decorative function. Mainly, a ring-shaped tank is provided in a main body of a screwdriver head, a decorative ring is fitted in the ring-shaped tank, and when the screwdriver head is ins...
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JP4094818B2 |
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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JP4095500B2 |
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JP4094681B2 |
A method based on superfinishing for coating elongated metal blanks. The blanks have at least two axially aligned portions with varying cross-sections, wherein particles of a hard substance protruding from the surface of the coating are ...
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JP4089568B2 |
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JP2008049417A |
To provide a screwdriver which eliminates need of carrying an unnecessary bit, consists of two most frequently used screwdrivers with different handle lengths, and is easier to handle than conventional ones.A separate-type screwdriver 1 ...
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JP3139527U |
To quickly attach / detach a force applyr and a tightener without deteriorating the anti-theft function of the force applyer and the tightener. The tightening element (1) is applied to a tool set for tightening a vehicle part, and is use...
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JP4049396B2 |
The storage device is designed so that the work ends (14) of the bits (13) and the socket head (21) of the chuck (20) are exposed on the outside in the closed state of the case. The case can comprise a first and second housing part. The ...
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JP3138558U |
To prevent a holder member from protruding from an end portion of a grip plate and to hinder the work of screwing or loosening a screw or the like, and further, the holder member loosens and hinders holding of a tool portion to the grip ...
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JP3138557U |
To hold a tool portion on a grip plate by loosening the holder member without hindering the work of screwing or loosening a screw or the like without the holder member protruding from an end portion of the grip plate. Provide an offset t...
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JP4031480B2 |
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JP4031418B2 |
A screw and a screwdriver of the present invention provide an easy insertion of screwdriver bits and the screwdriver conveys a large torque when fastening so that the screwdriver does not rise up from the screw and does not damage recess...
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JP3137742U |
To reduce a stress concentration phenomenon when a driver bit receives torque, prevent a crack in an insertion portion of the driver bit, and thereby enhance the safety in use of the driver bit. A driver bit is inserted into a groove in ...
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JP2007283484A |
To provide a ratchet screwdriver, of which structure has little error, and which is easy to manufacture. The first body of the ratchet screwdriver is provided with a storage part through which the first body goes in the horizontal direct...
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JP2007276106A |
To provide a ratchet driver provided with multiple revolving speeds. One end of the ratchet driver is provided with a first revolving section, and the other end thereof is provided with second and third revolving sections. A second and a...
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JP3995391B2 |
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