| Document |
Document Title |
|
JP2013002629 |
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...
|
|
JP2012225421 |
To provide a bolt and a fastening tool therefor, by which attaching/detaching operation by a non-authorized person is difficult.A bolt 1 is fastened at a fixed location using a fastening tool 2. A locking groove 16a of a locking tube par...
|
|
JP2012166298 |
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...
|
|
JP2012157913 |
To provide a screw driver tool for removing a rusted machine screw by driving an operation edge to the slope of a damaged concave part of a machine screw so as to bite in the slope even when the damaged concave part is in a mortar state....
|
|
JP2012131005 |
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...
|
|
JP2012132553 |
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...
|
|
JP2012056031 |
To provide a screwdriver tool, capable of removing dust when clogged in an engagement groove for engaging an engagement part of the screwdriver tool, which is formed on the head of a male screw, and also capable of reproducing the engage...
|
|
JP2012011472 |
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; ...
|
|
JP2011255487 |
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...
|
|
JP2011245591 |
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...
|
|
JP2011240474 |
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...
|
|
JP2011177815 |
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...
|
|
JP2011156653 |
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...
|
|
JP2011152625 |
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...
|
|
JP2011143522 |
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...
|
|
JP2011140087 |
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...
|
|
JP2011133090 |
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...
|
|
JP2011104669 |
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...
|
|
JP2011042026 |
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...
|
|
JP2011012788 |
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 ...
|
|
JP2010249321 |
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...
|
|
JP2010194619 |
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...
|
|
JP2010084931 |
To provide the screw which can get the condition being hard to separate the screw driver part of a screw driver from the screw driver engaging recessed part of the screw top part and control the production cost comparatively at low and t...
|
|
JP2010052089 |
To provide a screwdriver bit and a screw which certainly prevent the occurrence of coming out of the screwdriver bit in screwing work, and can be effectively applied to a plurality of kinds of screw with different dimensions, and a combi...
|
|
JP2010023139 |
To strengthen engagement force of a cutting edge of a screwdriver relative to a vis.The screwdriver 1 in which a cutting edge 3 provided with a blade ridge part 4 engaged with a cross hole 9 of the vis 8 and a groove part 5 engaged with ...
|
|
JP2009291931 |
To provide a power driver mounting type bit holding device which allows an operator to discriminate each bit at a glance and to quickly and easily connect a necessary bit to a power driver.The bit holding device has a body which holds a ...
|
|
JP2009269135 |
To solve problems of conventional screwdrivers used for rotating a screw must wherein when a screw with a different screw head is rotated, many screwdrivers with different bits must be prepared since a screwdriver must be changed to the ...
|
|
JP2009243689 |
To provide a screw with a bit engagement hole extensively elongating a service life of a punch forming a step part in a blade engagement groove, not causing buckling or the like of a fiber flow, and of a shape with superior biting charac...
|
|
JP2009196082 |
To provide a screwdriver capable of transmitting torque by preventing removal of the screwdriver from a groove of a fastener by a cam effect.This screwdriver has a handle part and a recessed part type engaging part formed on an end of th...
|
|
JP2009162333 |
To provide a screw fastening method that ensures a firmly locking function in a normal condition at a screw fastening portion and, when intentionally fastening or loosening a screw, does not hinder the fastening or loosening work.The scr...
|
|
JP2009136977 |
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 of...
|
|
JP2009108874 |
To solve a problem wherein a screw hole is broken if a screw is fastened too tightly by using a screw and a screw driver of different sizes when a conventional phillips screwdriver is used for a conventional phillips screw.This invention...
|
|
JP2009101505 |
To provide an offset type screwdriver without causing trouble in screwing in and loosening of a screw or the like without protruding a holder member from an end part of a grip plate, without causing problems in keeping a tool section to ...
|
|
JP2009090438 |
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, ...
|
|
JP2009083015 |
To provide a tool for rotation, which can positively hold a hexagonal columnar portion of a rotated body, facilitates attachment thereto/detachment therefrom of the hexagonal columnar portion of the rotated body, and can apply sufficient...
|
|
JP2009039831 |
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 ...
|
|
JP2009008112 |
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 ...
|
|
JP2009008134 |
To provide a screw capable of remarkably reducing coming out of the screw if an exclusive screw driver bit is used, and also allowing use of a screw driver bit with a standard cross slot and reducing coming out of the screw in some exten...
|
|
JP2008296367 |
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 ...
|
|
JP2008260116 |
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...
|
|
JP2008207285 |
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...
|
|
JP2008188679 |
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...
|
|
JP2008183700 |
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...
|
|
JP2008183686 |
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...
|
|
JP2008168418 |
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...
|
|
JP2008168412 |
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 ...
|
|
JP2008137091 |
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...
|
|
JP2008137098 |
To provide a grinding stone with a shaft capable of stably supplying a grinding fluid, accurately performing forming during dressing and grinding with high accuracy (straightness) on a worked surface.The grinding stone with the shaft inc...
|
|
JP2008055538 |
To provide a set driver capable of establishing easily setting in a state allowing the use of the selected driver bit with a small number of components and a simple procedure and in an accommodated state, and easily preventing the driver...
|
|
JP2008049417 |
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 ...
|
