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Patent Searching and Data


Matches 751 - 800 out of 2,793

Document Document Title
JPWO2004065067A1
The fitting into the bit fitting groove is facilitated, the occurrence of the come-out phenomenon is surely prevented, the damage in the bit fitting groove of the screw as in the conventional case can be prevented, and the bit fitting gr...  
JP2006514233A
A screw with an integrated screwdriver, the screw having a screw shaft with a thread, a screw head, and a longitudinal axis, and the screwdriver being connected coaxially with the longitudinal axis over a specified breaking point with th...  
JP3120755U
To provide a screw driver bit of a hand tool which can store a plurality of tool bits and is hard to be lost, and is convenient for use. The pole body of a screw driver bit of a hand tool is provided in a hollow shape penetrating the fro...  
JP3120762U
To provide an offset type driver having a compact structure, capable of turning a screw in a narrow place, and having a replaceable tool portion (bit portion). A short bit portion 1 is removably fixed to an end portion of an elongated pl...  
JP3120554U
To provide a screw (including a small bolt) with a head (including a small bolt) capable of easily screwing an object to a member by an appropriate twisting torque, and a screwdriver thereof. .. The cross section of the groove cut out on...  
JP2006068891A
To provide a combination of a fastener and a fastener driver capable of being used in high torque power tool.The fastener is provided with a shank with a screw and a fastener head part 10. The fastener head part 10 is provided with a per...  
JP3119711U
To provide a fitting structure of a tool sleeve which does not require other processing steps, can reduce the use of expensive metal, reduce other processing steps required for metal, and reduce materials and processing costs. provide. A...  
JP2006051563A
To provide a bit holder capable of securely holding a short driver bit with ease of attachment and removal and allowing the inserted driver bit to be easily drawn out, and a bit structure to be held by the bit.The driver bit 5 is inserte...  
JP3118978U
To provide a rib portion having a higher absorption force of rotational torque acting at the time of screw tightening than a bit portion in a central portion to prevent damage to the bit portion and improve durability, and a slim which c...  
JP2006046624A
To solve a problem on poor workability in conventional screws and screwdrivers such that a screw driving direction is inclined or a screw groove may be broken, depending on an angle and a level of pressing force to the screwdriver when a...  
JP3118040U
To improve stability and convenience in screw tightening operation by providing a driver for stably catching a screw and a screw dedicated to the driver. In a driver 1 provided with a cross, a ground, and a hexagonal tip bit 10, an exten...  
JP3117527U
To adjust the length of a bit shaft, that is, to shorten or lengthen the bit shaft without pulling out the bit shaft from an insertion hole of a grip handle, and to simplify the operation of adjusting the length. Moreover, it provides a ...  
JP2005335049A
To provide a replaceable bit for a screwdriver for screwing in hooked nail, heaton, hook or the like without pinching them with fingers or using pliers when screwing them, the bit for screwing them in without damaging fingers.The replace...  
JP2005319523A
To provide a tool with a hard part preventing come-out and improving durability by sticking or attaching a hard member directly to a working surface of the tool having the working surface brought into pressure contact with a workpiece en...  
JP3710714B2
To provide a bit mounting device with a highly durable bit deflection stopper for solving the problem with low durability in such a conventional structure of a screwdriver that a rubber ring is mounted in a bit mounting hole so that a sc...  
JP2005288680A
To act as a plurality of screwdrivers by only one screwdriver.A driver shaft (4) is assembled to a screwdriver body via a mounting fixture (2), and the driver shaft is fixed at an arbitrary length according to a working condition, so as ...  
JP2005282850A
To provide a screw (including a small bolt) with a (plane, dish, round, etc.) head capable of easily screwing an article to a member with an appropriate twisting torque, and to provided a screwdriver therefor.A tilting slot 3 is provided...  
JP2005279922A
To provide an impact wrench having an improved anvil wherein a stress concentration part is eliminated and the life of the anvil is extended, while costs related to its manufacture are reduced.The anvil adapted to be received within the ...  
JPWO2003100272A1
In a threaded fastener wrenching structure, an inclination angle ( alpha ) of an arcuate portion (32) of a fitting protrusion (20) is larger than an inclination angle ( beta ) of an arcuate portion (26) of a recess (16) and a wrenching t...  
JP2005212056A
To provide a torque limiting/fastening tool limiting (adjusting) the fastening torque of a screw at a constant value by a simple structure by idling (idle turning) when exceeding a predetermined fastening torque value.The torque limiting...  
JP2005205554A
To provide a ratchet driver without looseness capable of laterally freely performing ordinary screwing-in work without switching a ratchet mechanism part, by simply and compactly forming even switching operation of a ratchet, for ensurin...  
JP2005186196A
To provide a driver, favorably fitted to a fastening member such as a screw, and continuously rotating the fastening member to attain good workability.This driver 1 includes: a driver pit 2 having an engagement part with the fastening me...  
JP3671080B2
To prevent the coming-out phenomenon by forming a vertical end wall part having the specified depth, a non flat bottom part projecting from the lower edge, an inclined groove part orientating to the central part, and a conical bottom sur...  
JP3671166B2
To provide a tool part attachable-detachable driver having a simple structure, reduced in manufacturing cost, surely gripping a tool part, and surely performing the attaching-detaching work of a screw. This tool part attachable-detachabl...  
JP2005153420A
To provide a holding part of a shaft body which can cope with even a man who does not like a mass feeling of a low hard elastic resin and is free from being soft and sticky.The shaft body comprises adjacent elastic resins different in ha...  
JP3109631U
Into the body of the adapter, a blind rectangular hole extends axially from one end, for connection to the head of the rotary impact tool. A second blind hole extends axially from the other end into the body; this is hexagonal and of sma...  
JP2005106269A
To provide a screw with improved torque transmission efficiency.A cross recess 12 is formed on a head part 11 of the screw 10. The cross recess 12 is composed of a cross recess body part 13 and a continuous face 15 continuing to the body...  
JP3637772B2
To effectively prevent damages to parts in tightening screws, to obtain the stable tightening force, and to provide the long-term reliability in a screw- tightened condition. A guide plate 30 is formed of a transparent resin, and provide...  
JP2005059142A
To provide a screwdriver bit where extraction does not become difficult when a bit body is extracted from an insertion hole of an anvil of an impact screwdriver, insertion does not become difficult either when the extracted bit body is r...  
JP3626804B2  
JP2005040948A
To supply a replacing-manipulation-free screwdriver by solving the problem that the body of the screwdriver has to be changed or the tip of the screwdriver has to be replaced according to the screw size.The screwdriver has a telescopic s...  
JP2005028466A
To provide a tool for preventing an electrostatic discharge shock.The tool is composed of a grip portion 1 and a working portion 2. The working portion 2 is covered with a cover member 4 except a tip end portion 3. The grip portion 1 and...  
JP2005028465A
To provide a coating member for an electrostatic discharge shock preventing screwdriver.The coating member is composed of a grip portion 1 for a screwdriver, which has an insertion hole to pass and fix a core rod portion 5 having an enga...  
JP2005028464A
To provide a tool for preventing breakage of electronic components due to an electrostatic discharge shock, which can be used even when electric precision instruments are overhauled or assembled.A tool composed of a grip portion 1 and a ...  
JP2005022017A
To positively prevent excessive fitting of a bit 2 by effectively using a base face 7a of a fitting hole 7.The bit 2 fitted into a chuck part 3 provided at a rotating tool 1 such as an electric rotating tool and formed with a bit part 2a...  
JP2004526584A
A drill bit has a chuck engaging shank portion having a geometric cross-sectional shape; a plurality of projections formed on at least a part of at least one of said surfaces; said projections (a) varying in height across said surface, a...  
JP3549917B2
The fastener head recess has a pair of radial slots (16, 18) formed in the head (12), a ledge (20) in each recess being located a short distance axially below the head surface (13) and extending a predetermined angular length from the ax...  
JP3545771B2
PURPOSE: To guarantee exact guidance of a screw driving tool tip and transmis sion of a large torque, by forming a recess with walls having conical surfaces at the side wall radially displaced from the cylinder surface toward inside or o...  
JP2004520951A
A screwdriver with a bit storage member rotatable about a slotted, apertured core. A magnet-tipped push rod slides through the core. A magnetic lever arm is pivotally coupled to the core and biased toward its slot. The rod moves through ...  
JP2004195628A
To surely prevent a biting phenomenon of a driving hole of a screw and a driver bit.A slightly projecting projection 14 is formed on the tip of the driver bit 1. Since clearance is formed between the driving hole 20 and an engaging part ...  
JP2004197908A
To easily fit a screwdriver bit to a screw, and to prevent the dropping of the screw from the screwdriver bit.A counter bored part 19 is formed on a hole 15 formed on a head part 13 of the screw 11, and a side face of the screwdriver bit...  
JP2004181612A
To solve the problem wherein a shape of a publicly known cross-tip screwdriver bit allows a screw, a machine screw and the bit to easily slip out of a fitting groove at threadably attaching work.A recessed groove up to 2.0 mm to 5.0 mm i...  
JP2004148409A
To provide a screwdriver which facilitates screw driving work and has good appearance and further is not offensive to eyes or ears without making noise due to movement of a ring member or the like.The second stage columnar part with a ba...  
JP3527666B2
To provide a novel screw-adsorbing tape which does not undergo rapid deterioration of screw-holding powers, therefore can dispense with frequent replacement and is free from a risk of peeling from a tip of a driver to be left on the top ...  
JP2004512057A
A plug-type connection for releasably connecting two bodies (1) and (2), A) the first body (1) comprising M (M>=1) first connection segments (5.i) arranged coaxially to a central axis (4); B) the second body (2) comprising N (N>=1) secon...  
JP2004106141A
To provide a potential detecting driver surely transmitting its notification to a user when being used under noisy environment or in outdoor daylight by improving the conventional potential detecting driver notifying the potential detect...  
JP2004084916A
To provide a screw and a driver for facilitating these works for being extremely difficult in a tool such as an ordinary driver and a box wrench in work for carrying screw part to a required fastening position of an elevated spot and a n...  
JP2004076936A
To provide a screw ensuring proper fastening strength using a screwdriver capable of fastening even phillips screws, while solving the problem wherein the heads of slot and phillips screws are likely to be deformed making it difficult to...  
JP2004074353A
To supply current to a coil to attract a screw by a screwdriver, and to supply no current to the coil not to attract the screw by the screwdriver.This screwdriver is provided with a magnetizing coil wound around a driver shaft that can b...  
JP3502834B2
To provide a bit to be attached on a revolving tool such as an electric revolver by furnishing sufficient strength and favorable overload absorbing force. A bit body 6 is continuously provided on the revolving tool such as the electric r...  

Matches 751 - 800 out of 2,793