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Patent Searching and Data


Matches 251 - 300 out of 2,885

Document Document Title
WO/1990/001399A1
Polygonal wrench with a gripping part bounded by a groove (3), whereby the gripping part can be adapted to the required tightening moment by varying the height of the gripping part and the degree of inclination of upper part (2) depends ...  
WO/1989/008536A1
A screwdriver bit (1) comprises a terminal drive end region (11) which can be inserted in a chuck (13) of a machine, an intermediate section (10), and a drive region (screwdriver tip section) (9) preferably for recessed-head screws. To f...  
WO/1989/008790A1
A cap screw has an essentially cylindrical, cup-shaped socket head (5) intended for an internal drive with axial, diametrically opposite driving ribs (8, 9) projecting inward from the wall (7). A central, axial centering pin (13) provide...  
WO/1989/003282A1
The tool (1) described enables the user to perform a variety of screwing operations at any time without having to carry around a large set of tools. To permit a large number of interchangeable bits (2), for example (6), to be used rapidl...  
WO/1989/001584A1
Apparatus for maintenance of the moveable pipe sleeves (52), bearing surface and seals of a ball valve. The apparatus comprises a bonnet (7) designed to be secured to and form a tight connection with a valve flange (53) and fastened to t...  
WO/1988/009708A1
A tool comprises essentially a head (25) provided with a slot (37) in which is fixed a drive lug (23) with two pins (35). The latter (35) have cutting edges (33) for making a hole (17). When the tool is rotated, the screw (13) is driven ...  
WO/1988/004221A1
A hand-held multiple tool device for conveniently storing and selectively presenting a multiplicity of tools (14) pivotally connected to a tray (10), the tools (14) having a use and a storage position with respect to the tray (10). A cov...  
WO/1987/006173A1
An adapter for connecting a tool bit (9) to a drive device (13) which is provided with a chuck (12) and which is intended for rotating the tool bit forms a unit which is separate in relation to the drive device (13) and which is adapted ...  
WO/1986/004853A1
Power assisted wrenching tool (10) for the attachment of fasteners (42, 34) in loose and interference fit applications, and particularly for use with frangible fasteners (34). The improvement comprises a readily removable key (36) which ...  
WO/1985/004568A1
A fastener (20, 50), particularly for orthopedic use, structurally adapted to be driven into a member somewhat like a nail and to be secured therein by rotating the fastener through a predetermined angular displacement to secure threads ...  
WO/1984/004481A1
An improved high torque fastener (10) of the type having a screw head (14) with a generally bow-tie shaped driving slot (16) formed with undercut side walls (24) and an arcuately concave bottom wall (26) for reception of an arcuately con...  
WO/1983/003288A1
A bi-directional spring clutch having a cylindrical input element (2) mounted on a cylindrical output element (6), with a wrap spring (15) disposed between them. A control element (11), in the form of a cylinder, is rotatably mounted on ...  
WO/1982/000967A1
A rotary hand tool, such as a screwdriver comprises a handle (1) formed with a socket to receive a tool bit carrying shaft (7) with some limited axial movement. A spring (6) urges the shaft forwardly of the handle, but yields under manua...  
WO/1981/001386A1
The screwdriver comprises at the end of its rod a moving device (1); the rectangular blade is arranged close to the rod (6) and is rotated by a rotation motion of the handle (3). Said device (1) is, preferably, a helicoid pinion gear (1a...  
JP2014151374A  
JP5536163B2  
JP5497957B1  
JP5497649B2  
JP2014507610A  
JP5425615B2  
JP5419733B2  
JP2014014887A
To provide a plus screw driver capable of securely fitting to screws having different groove sizes to improve fastening and loosening operation.The plus screw driver 1 includes a large-diameter fitting part 4 and a small-diameter fitting...  
JP2014000622A
To provide a small ratchet part that is superior in handleability to be formed in a small type, returns to an original hexagonal shaft replacing type driver when unnecessary, and is formed as a ratchet driver by adding the ratchet functi...  
JP3187855U  
JP2013540595A  
JP5278652B2  
JP3185417U  
JP5261630B2  
JP3185294U  
JP2013146842A
To provide a screwdriver tool for removing a screw in which the tip of an operation part can be prevented from being broken when the operation part is driven in a cone-shaped damaged concave part, and furthermore, by making an operation ...  
JP2013146830A
To provide a screwdriver tool for removing a screw by which the screw can be removed precisely while capturing a remainder wall remaining in an operation groove of the screw by a biting edge and a drive plane.Four rib-shaped projections ...  
JP5238076B2  
JP2013128990A
To solve a problem that the shape of a driver is large because a large handle part for generating a large rotational torque is needed for loosening a screw in a fixed condition, and further although there is an offset type driver it can ...  
JP2013522560A  
JP2013521450A  
JP5202914B2  
JP3183572U  
JP5190130B2  
JP5186621B2  
JP5181337B2  
JP2013049100A
To provide a driver bit excellent in durability.The driver bit 10 includes: a pair of blade edges 12 arranged at both end sides; a body 14 which is fit into a socket of a rotating tool and receives a rotation force from the rotating tool...  
JP5155888B2  
JP2013014000A
To provide a drive system for a threaded fastener that achieves many of the desirable characteristics for threaded fastener drive systems with less compromise of competing characteristics than has been the case with the prior art.The spi...  
JP2013013961A
To provide an L-type grip holder with a bit holder capable of easily changing a plurality of bits, high in screwing and handling performance, and executing sure screwing by a force applied during screwing.The L-type grip holder 100 with ...  
JP2013002629A
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...  
JP5091904B2  
JP2012225421A
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...  
JP2012166298A
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...  
JP3178050U  
JP2012157913A
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....  

Matches 251 - 300 out of 2,885