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Patent Searching and Data


Matches 401 - 450 out of 2,989

Document Document Title
JP4874575B2  
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; ...  
JP2012500125A  
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...  
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...  
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...  
JP4823692B2  
JP4802185B2  
JP4801837B2  
JP4785423B2  
JP4787377B1  
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...  
JP4773075B2  
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...  
JP4750315B2  
JP2011152625A
To provide a driver bit which prevents occurrence of damage to a top surface of a screw head when a front end portion of the driver bit is engaged in a bit engagement groove of a thread formed on the top surface of the screw head; quickl...  
JP2011143522A
To provide a driver bit capable of surely loosening a screw to remove even when not only an operation groove but also a corner part of a base end part of a fan-shaped wall are completely broken or deformed.The driver bit 3 includes a tig...  
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...  
JP2011521188A  
JP4729223B2  
JP4731054B2  
JP2011133090A
To make it possible that the torque transmission of the driver bit is ensured as well as preventing the coming out of the driver bit from occurring when a driver bit loosens and fastens a cross slot screw with its head cruciately slotted...  
JP3168557U
[Subject] A screwdriver connection stick in which high-speed removal of a screw bit is possible is provided. [Means for Solution] Having main part 20 and magnetic adsorption device 30, main part 20 is with drive hole 21, Sliding hole 22 ...  
JP2011104669A
To provide a driver bit used also for detecting screw floating capable of deciding quality as to whether a head seat surface of a screw is surely seated on a workpiece or a part, etc when the screw is fastened.In the driver bit, a stoppe...  
JP4678786B2  
JP4647710B1
[Subject] Even when even the corner of the base end of not only an operation slot but a sector wall has broken thru/or changed completely, the driver bit which can loosen a screw certainly and can remove it is provided. [Means for Soluti...  
JP2011042026A
To provide an adapter for fixing a screwdriver that can allow connection of screwdrivers sold in the market with a variety of shape, sizes, bit kinds and the like to a screwdriver with rotation assistance so as to meet preference of an i...  
JP4638640B2  
JP4637361B2  
JP4620247B2  
JP2011012788A
To provide an antitheft screw which hardly gives rise to an axial deflection and eases fastening in addition to provision of the ability to prevent a screw from being cut while axially depressing the screw, and further provide fastening ...  
JP4587532B2  
JP2010249321A
To provide a fastener fitted with threads having a recess to admit engagement of a driver, easily manufacturable, excellent in the strength, and with the recess being shaped so as to allow easy mounting and removal.The fastener 10 with t...  
JP4570703B2  
JP4567468B2  
JP3162962U
[Subject] A plurality of driver bits, a connector, and a socket wrench can be stored, and a handiwork implement storage device which also has an anti-theft function is provided. [Means for Solution] A handiwork implement storage device i...  
JP4546568B2  
JP3162610U
[Subject] A hand tool which can raise convenience on use and can achieve the object of increasing durability etc. and which has a polish function is provided. [Means for Solution] One grip main part 10 was contained in a hand tool which ...  
JP2010194619A
To provide a screwdriver allowing a worker to adjust rotation by only a desired number of graduations easily and securely even if adjustment by an adjustment knob provided on a base is difficult.The screwdriver used to turn the adjustmen...  
JP2010188491A
To absorb an excessively large torque or impact without locally lowering a strength. A rotary tool 1 for performing a prescribed operation by rotating an operation object such as a screw is provided with a metallic tool body 3 having an ...  
JP4531367B2  
JP4531249B2  
JP2010526675A  
JP3161507U
[Subject] Quick disconnect device structure which a driver of various sizes can be made to be able to advance quickly and can be fixed is provided. [Means for Solution] Quick disconnect device structure is provided with axis 30, the 1st ...  
JP4519672B2  
JP2010526260A  
JP2010159832A
To provide a screw and a driver bit in which when a tip of a driver bit is to be engaged with a screw driving slot, even though a little displacement is found between the axes of the screw driving slot and the driver bit, they can be eas...  
JP4502163B2  
JP4498411B2  
JP4493135B2  

Matches 401 - 450 out of 2,989