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Patent Searching and Data


Matches 151 - 200 out of 2,911

Document Document Title
WO/2004/065067A1
A screw driver bit and a combination thereof with screws allowing the smooth fitting of the screw driver bit to a bit fitting groove, capable of surely preventing come-out trouble from occurring, capable of preventing a screw from being ...  
WO/2004/020681A1
The invention relates to the use of a hard metal alloy for parts which are subject particularly to torsion in addition to wear. Said hard metal alloy substantially contains tungsten carbide having an average grain size of less than 1.2 Â...  
WO/2004/018155A1
A torque transmission mechanism (1) comprises an outer body (10) defining a cavity (12) and an inner body (30) located at least partially inside the cavity and able to rotate therein. A plurality of rollers (22, 24, 26) located between t...  
WO2003002307A9
An interference fit screw driver (10) has a polygonal driving surface (12) to impart torque to a corresponding surface in a screw (20). The end of the polygonal driving surface has a frusto-conical shaped gripping means (14) which fits i...  
WO/2004/014609A2
A fastener (10) with a reduced gear affect. The fastener of the present invention comprises a handle assembly (12) having an end (26) and an opening (28) wherein a shaft assembly (22) is positioned within the opening and extending from t...  
WO/2004/011198A1
The invention relates to a screwdriver (1) comprising a handle (2) and a rod (3) which is arranged in a hole (4) on the front end face of the handle in such a way that it is removable and is provided with an actuating part (5) on the fre...  
WO/2004/005731A1
A screw (10) has a threaded shank (12) and a head (14). The head has a recess (18) that comprises three lobes (18a, b, c). Each lobe is separated by a curved drive flange (20a, b, c). A driver (100) has a drive tip (114) that fits the re...  
WO/2003/100272A1
The slope angle (&agr ) of the arcuate portion (32) of a fitting projection (20) is larger than the slope angle (β) of the arcuate portion (26) of a recess (16), and the axial intermediate portion of the fitting projection (20) is engag...  
WO/2003/086713A1
A screw holding screwdriver bit capable of effectively preventing a come-out from occurring by improving the structure of the blade parts thereof, capable of being manufactured in a simple structure at a low cost, and capable of remarkab...  
WO2003053635A3
The present invention, which improves the rate of the completion of a communication line setting work by installing several communication line setting work hand tool components into one conventional hand tool contemporary for providing a...  
WO/2003/076815A1
A tamperproof screw to which a conventional general screwdriver cannot couple so that screw tightening is prevented reliably, a screwdriver bit that can be simply and quickly coupled to the screw and can reliably prevent a come-out pheno...  
WO/2003/072309A1
A fastener (13) is described having a head (15) formed with a recess (30) which accommodates a square head driver, symmetrical drivers, such as PHILLIPSTM STYLE DRIVER, asymmetrical style cross head drivers, such as POZIDRIVTM style driv...  
WO/2003/059577A1
A wrench head member (20) has an attachment extension which allows the user to attach the wrench head member to a handle. The extension is a collar (28) extending from the side of the wrench head member and having one or two holes extend...  
WO/2003/053635A2
The present invention, which improves the rate of the completion of a communication line setting work by installing several communication line setting work hand tool components into one conventional hand tool contemporary for providing a...  
WO/2003/018263A1
The invention relates to a chuck (1) for tools, especially screwdriver bits, which comprises a polygonal section (2) with a polygonal recess (3) for the polygonal section (3) to be inserted. The wall (4) of said polygonal recess (3) is p...  
WO2003002880B1
A combination of a screw with a screwdriver bit capable of effectively preventing the cam-out event of the screwdriver bit by improving the formation of a groove part in the cross groove of the screw so as to prevent the screw from being...  
WO/2003/002307A1
An interference fit screw driver (10) has a polygonal driving surface (12) to impart torque to a corresponding surface in a screw (20). The end of the polygonal driving surface has a frusto-conical shaped gripping means (14) which fits i...  
WO/2003/002880A1
A combination of a screw with a screwdriver bit capable of effectively preventing the cam−out event of the screwdriver bit by improving the formation of a groove part in the cross groove of the screw so as to prevent the screw from bei...  
WO/2002/085579A1
A screwdriver (10) with a bit storage member (14) rotatable about a slotted, apertured core (46). A magnet-tipped push rod (36) slides through the core (46). A magnetic lever arm (80) is pivotally coupled to the core (46) and biased towa...  
WO/2002/081133A1
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...  
WO/2002/049792A1
A method for assembling or disassembling cutting inserts mounted in a rotary cutting tool assembly (20). The cutting tool assembly comprises a plurality of coaxially mounted cutters (22) on a common shaft (24) having an axis of rotation ...  
WO/2002/034438A2
The invention relates to sets comprising a drill for producing a drilled hole and a screw for screwing into the drilled hole, or into a plug fixed in the drilled hole. The screw comprises a screwhead with at least one recess. The drill c...  
WO2002014019A3
A two-ended screwdriver bit (10) sized and configured to fit and lock in chucks (100) that accept bits complying with American National Standards Institute specification ANSI B107.4-1982 for 1/4 inch hexagonal bits. The two-ended bit (10...  
WO/2002/014019A2
A two-ended screwdriver bit (10) sized and configured to fit and lock in chucks (100) that accept bits complying with American National Standards Institute specification ANSI B107.4-1982 for 1/4 inch hexagonal bits. The two-ended bit (10...  
WO/2002/009913A1
An electrically insulating hand tool (10) is comprised of a two-piece shaft formed by a tube (11) and a rod received by the tube, a handle (13) connected to the rod, an insert (14) received in an end of the tube opposite the rod, and a w...  
WO/2002/004174A1
The invention relates to a tool (30) which has more than one function. As a first function, the tool (30) is capable of activating a fastening element (40), either by direct physical contact or by remote activation. As a second function,...  
WO/2002/000396A1
The invention relates to a screw tool comprising a torque-inducing element (2) containing a cavity (4) in which a profiled body is rotationally fixed. The section of the profiled body protruding out of the cavity (4) forms the operating ...  
WO2000045057A9
A high torque wrenching system having a wrench (20) with asymmetrical torque transmission capability. The wrench includes a plurality of protuberances (32) and a plurality of recesses (50) around a central axis (A). The fastener (30) als...  
WO/2001/089769A1
The invention refers to the screwdriver shank with a detachable attachment that allows for easier tightening and loosening by application of a spanner.The shank (1) of the screwdriver with a detachable attachment (2), referred to in this...  
WO/2001/085043A1
The invention relates to a push-connection for the detachable connection of two bodies (1) and (2), whereby A) the first body (1) comprises M (M $m(G) 1) first connection sections (5.i), arranged coaxially around a central axis (4); B) t...  
WO/2001/074539A1
A stepless ratchet one way clutch mechanism as applied to an improved screwdriver tool is disclosed. A wheel (30) is rotationally fixed to a drive shaft (20). Two couplings (40) are rotatably mounted about the drive shaft (20) and extend...  
WO/2001/066312A1
The invention relates to a screwdriver inset having a drive component (14) and a front component (1) that is fixed thereto, is produced by pressing and subsequently sintering a hard metal powder mixture and is provided with a profiled pe...  
WO/2001/064401A1
The present invention is generally directed to a hand held tool (10) having a handle chassis (32) with a first end (36), a second end (38), and a bore (34) extending axially between the first and second ends. A sleeve (16, 20) having a f...  
WO/2001/064400A1
A rotary tool (10) is provided having a tool holder (16) including a socket (22) adapted to receive a reversible bit assembly (18). The bit assembly (18) having a storage cavity (44, 46) extending in each end. Each storage cavity (44, 46...  
WO/2001/050028A1
A combination of a screw and a screw driver bit and a header punch for its manufacture capable of effectively preventing a come-out phenomenon of the screw driver bit by improving the structure of a groove part in a cross groove of a scr...  
WO/2001/049459A1
A driver bit or wrench and screw combination wherein the arrangement of the front end of a driver bit or wrench tip edge is improved to make it possible to effectively prevent the come-out phenomenon of said bit or wrench and the arrange...  
WO/2001/043922A1
The invention relates to a hand tool, in particular in the form of a screwdriver or a file, comprising one or more working surfaces with a grooved profile. According to the invention, the grooves are formed by recesses which are created ...  
WO/2001/039915A1
The invention provides a bit (10) for use with a rotatable tool, said bit including: a shaft (12) having a rearward end adapted to be held by a chuck of the rotatable tool, and a forward end (18) having cutting tips formed thereon; a rea...  
WO/2001/032365A1
The invention concerns a tool whereof at least one half-side (1D) of its active profile, corresponding to the loosening direction, comprises a rounded part (11) or a forward edge whereof the point (B) nearest to the associated side, of l...  
WO/2001/027479A1
System comprising a screw and a tool (6) therefor, in which the screw has a screw head (1) with a slot (2), the slot (2) having a first recess (3) with an approximately straight-walled cross section, and the tool being provided with an e...  
WO/2001/013383A1
A high energy magnetizer/demagnetizer (26) on a non-operative portion of a tool holder (20) includes a magnetizer/demagnetizer body (22) on the non-operative portion of the tool holder (20) and defining a mounting axis. At least one perm...  
WO/2001/012390A1
This invention is a hand-tool (1) having an elongated member (3) and two arms (4, 5) rotatably attached to an end of the elongated member. The elongated member is adapted to hold a bit (20) at its end (3). The first arm (4) can be rotate...  
WO/2001/004501A1
The present invention relates generally to a security screw (1) having a threaded shank portion (2) and head portion (3). The head portion (3) is characterised by having a circular profile with a cylindrical peripheral wall (4) and a smo...  
WO/2001/002138A1
The invention relates to a screwdriver with a directionally reversible locking device, comprising individual free-wheeling gears (4,5) arranged behind each other in an axial direction in the housing of said screwdriver and working in opp...  
WO/2000/071301A1
The invention relates to a profile of a screwdriver engagement opening located on a screw and to an accompanying engagement profile of a screwdriver which has a negative shape that essentially corresponds to the shape of the engagement o...  
WO/2000/069598A1
The invention relates to an arrangement (100) for a torque-limiting screwdriver (101) comprising a handle component (102) and a body component (103) with a screwdriver tool capable of attachment therein, together with a rotation-limiting...  
WO/2000/066328A1
A gearless ratchet mechanism (100) having a torque input member (110) and a torque output member (120). A plurality of substantially cylindrical rolls (180, 190) are arranged in pairs, in a first space within the housing defined by an in...  
WO/2000/064637A1
The invention relates to a bit (1) for portable screw tools for tightening or releasing screws (2) which is provided with drive projections (3) at its front end and whose rear end has a cross-sectional shape that corresponds to the recei...  
WO/2000/064638A1
An improved fastener system includes a threaded pin (12) and a tool (16). The pin contains a recess (39) in a threaded end (36) of the pin for receiving the tool, thus holding the pin against rotation during application of a nut (14) on ...  
WO/2000/058056A1
Disclosed is an asymmetrical fastening system comprising (1) a fastener having asymmetrical loosening surfaces and tightening surfaces formed in a single fastening periphery, and (2) a wrench comprising asymmetrical loosening surfaces an...  

Matches 151 - 200 out of 2,911