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Patent Searching and Data


Matches 851 - 900 out of 3,940

Document Document Title
WO/2000/064637
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/2000/064639
A torque application system intended for tightening a threaded fastener (12) having a rear end surface with an integral ultra-sonic sound wave generating and sensing device (21), which comprises a power wrench (10) with an output shaft (...  
WO/2000/064638
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/2000/064640
A torque indicating wrench (10) has a resilient beam (11) with a handle end (14) and a work-engaging end carrying a ratchet mechanism (13). The resilient beam is generally channel-shaped in transverse cross section and is tapered in thic...  
WO/2000/063566
A male threaded fastener adapted to align itself automatically with a mating female thread. The fastener's shank (82) has an unthreaded generally cylindrical extension (86) extending coaxially from the threaded portion away from the head...  
WO/2000/063565
The invention relates to a fixing device, such as a screw (1), a plain washer, a nut or a rivet, with an information memory that can be read from the exterior. The information memory (4) is machine readable. According to the invention, t...  
WO/2000/061334
The pull stud removal device (10) selectively attaches to a specific model of pull stud (12), which is in turn threadably mounted in a tool holder (14). The removal device has a polygonal-shaped body (20) that includes a top end (22), a ...  
WO/2000/054939
A detecting means which detects the rotation angle in the right and left rotation directions of a rotation member is provided on a hand-held power screw tightening tool. When a screw is tightened, if there is rebound, the total of the ro...  
WO/2000/051790
A plurality of circumferentially-spaced driving lugs (16) are formed on the improved square-drive tang (14) of a wrench, such as a ratchet wrench; and these driving lugs cooperate with a corresponding plurality of recesses or pockets (20...  
WO/2000/048777
A torque transmitting tool (T) is machined by registering the torque transmitting tool (T) using a shoulder (R) between the shank (S) and the out-of-round drive portion (D) of the tool (T) as a reference. First and second seating surface...  
WO/2000/045998
At least one high energy magnet (12, 14) having an energy product to at least 7.0 X 106 gauss-oersteds is mounted on a non-operative portion of a driving tool, drill housing or other associated item, that defines a tool axis (A). The per...  
WO/2000/038879
A method for pretensioning a joint to a predetermined clamping load level, which joint is apt to settlement during pretensioning and comprises two or more threaded fasteners (15 a-d) to be tightened by a simultaneous engagement of indivi...  
WO/2000/038589
Ratchet wrench and a torque indicator combined concentrically in a single housing. The ratchet wrench is useful for driving a fastener used in dentistry. In operation, the handle of the wrench can be rotated in one direction to impart to...  
WO/2000/037220
The invention relates to a chuck for a non-circular, preferably polygonal shank (4) of a tool insert (5), notably of screwdriver bits. The chuck comprises an inner sleeve (2) which at one end has an opening (3), designed for insertion of...  
WO/2000/034012
A hand tool includes a shaft (12) and a rotatable handle (14) that is coupled to the shaft bar by a ratchet mechanism (28). The disclosed ratchet mechanism provides a clockwise ratcheting action, a counterclockwise ratcheting action, and...  
WO/2000/022306
A method of indicating the tensile load on a fastener (2) including providing on said fastener an observation face (24) surrounded by a reference face (12), the planes of said faces being parallel to each other and adapted to move relati...  
WO/2000/021719
A clamping control device of a hydraulic pulse wrench, wherein a pressure introducing path (28) is branched off from a bypass passage (27) for allowing communication between a high pressure chamber (H) and a low pressure chamber (L), a f...  
WO/2000/020174
The invention relates to a screw holder, comprising a longitudinal shaft (1) with a central axis, a back end (2) and a front end (21); and a peg (4) adjoining the front end (21). Said peg (4) also has a front end (6) and a back end (12) ...  
WO/2000/015393
The invention relates to a motor-driven screw driver comprising a drive motor to which a first torque limiter is assigned and a head (1) which presents the screw-driving tool or a recess for a screw-driving tool. A ratchet mechanism (6) ...  
WO/2000/012266
A torque reaction device (16, 90, 110, 130, 150) is disclosed which can be used with a power wrench (14) to open and close a valve (10) in a valve assembly (12) which absorbs the shock of opening and closing the valve. The torque reactio...  
WO/2000/005037
A ratcheting electronic torque wrench (10) has an input beam in the form of a hollow housing (11) with a handle end (29) and a work end (28), a ratchet head (30) disposed within the work end of the housing and rotatable relative thereto ...  
WO/2000/005038
The utility relates to an improved hand tool set, it has a tool-deposit arrangement and a lighting installation. The tool-deposit arrangement for depositing varied hand tools includes a plural of axially extended grooves provided on arou...  
WO/1999/063181
The invention relates to an assembly device (46) for fixing means (12) for a strip of roofing material (24, 134), wherein the assembly device (46) entrains retaining elements (26) and fixing elements (28) and a first device (54) to place...  
WO/1999/056916
Disclosed is a handle for a hand tool, especially a screwdriver grip, having an elongated body (2) for interchangeably clamping torque-transmitting tool bits. Essentially, at least two polygonal shanks (3, 4, 5) are provided as tool clam...  
WO/1999/055494
A driver attachment (12) for a collated screwstrip (13) carrying screws (16) in which a slide body (20) is slidable in a housing (18) parallel a longitudinal axis (52) about which a drive shaft (34) is rotatable. The slide body (20) rece...  
WO/1999/055495
A lighted handle (10) including a handle member (20), which has a distal end (22) adapted to complementarily engage a desired tool and which defines a bore longitudinally extending along at least a portion of its length, and a light modu...  
WO/1999/052681
A ratchet wrench including a handle (7), a drive stud (9) and a ratchet mechanism (20) further includes a tool release mechanism. The tool release mechanism includes a control rod (2) that slides along the centerline of the drive stud (9...  
WO/1999/050029
The invention relates to a hydraulically operated power wrench and to a method for controlling the same. Said power wrench comprises a lever which can be turned by means of a piston-cylinder unit, with a ratchet arrangement for progressi...  
WO/1999/050028
The invention relates to a screw driving element for receiving and holding a fixing head and for driving the same during a drilling and/or threading process and/or during the process of screwing in screws (2) which have a head (5). The d...  
WO/1999/049249
A tip valve (22) for a pneumatic tool includes a first valve member (24) having a bore (26) with a central axis (A) and defining a valve seat (30) about the bore (26) and a second valve member (34) having an engaging surface engageable w...  
WO/1999/047310
A method for self-programming a power nutrunner control system by an initial low speed process for detection and calculation of the screw joint characteristics and by a following adaptation of one or more tightening parameters during a n...  
WO/1999/044791
A hand-held power screwdriver with a clamping device is disclosed. The screwdriver includes a body (50), a screwing arm (60), a clamping arm (70), and a clamping device (80). The body (50) is similar to an ordinary hand drill. A torque s...  
WO/1999/042735
A coupling is disclosed for linking as required a screwing tool (2) to a screw (1) having a head (13). A first engagement element (23, 24) is provided on the screwing tool (2) and a second engagement element (15, 16) designed as a recess...  
WO/1999/042252
The invention relates to a dynamometric key for tightening a threaded element with a defined torque. Said dynamometric key comprises a key body (2) on whose one axial end a coupling element (3) is carried. The coupling element is provide...  
WO/1999/039880
The invention relates to a method for tightening screw joints during series assembly. According to said method a screwed joint, whose torque and angle of rotation are monitored, is tightened for a first time with a defined torque, then l...  
WO/1999/039877
A portable power tool having a housing (10, 15) with a pneumatic motor (11), an output shaft (12) extending in a longitudinal direction of the housing (10, 15) and connected to the motor (11), and a pistol type handle (16) which contains...  
WO/1999/039879
A process is disclosed for prestressing to the desired level a screw connection for securing at least two parts. First the prestress and tightening torque curves are recorded via the angle of rotation of a reference screw. During all sub...  
WO/1999/036229
A two headed ratcheting driving wrench (10). Each head (12 or 104, 106) has a rotatable receptacle (26) constrained to rotate in only one direction by interengaging teeth (22) formed on the receptacle (26) and in the head (12). Both sets...  
WO/1999/033606
A mobile automatic machine for fastening of fasteners which can be mounted on wheels (11) and which can be attached to and held in contact with the work object by vacuum in suction cups (3) for the purpose of installing fasteners. The fa...  
WO/1999/030046
A screw with a polygonal hole (30) formed with a polygonal hole (32) disposed in the center of a screw head (30a) and comprising a vertical wall (33) with a preset depth, and with a cone base oriented from the lower edge of the vertical ...  
WO/1999/028092
A screw feed and driver assembly which may constitute a part of a screw driving tool of the type having a prime mover, a speed and torque determining gear assembly and a clutch. The screw feed and driver assembly comprises a feed housing...  
WO/1999/028076
A working tool comprising a driver bit (11), a socket body (2) fitted around the driver bit (11), axially movable along an outer circumferential surface of the driver bit (11) and withdrawable from the driver bit (11) but non-rotatable, ...  
WO/1999/019119
The invention concerns an actuating tool for fixing means having several internal fixing attachments, in particular a screw. Said tool comprises a head with a male part having several fixing attachments corresponding to said several fixi...  
WO/1999/017907
A ratchet wrench (1) including a handle (7), a drive stud (9), and a ratched mechanism (25, 26) further includes a tool release mechanism (2, 3, 5, 12). The tool release mechanism (2, 3, 5, 12) includes a tool release actuator (3) which ...  
WO/1999/016585
A power nutrunner comprising a planetary reduction gearing (12) and a torque limiting release clutch (13) disposed between a ring gear (25) and the tool housing (11), wherein the ring gear (25) is tubular in shape and having an outer ann...  
WO/1999/014017
The present invention is a power-operated screwdriving device (14) configured to be used with a rotary power source (12) and a supply of collated screws. The device (14) comprises a housing structure (16) and a feeding assembly (18) defi...  
WO/1999/012145
The present invention relates to a screwing tool made of hardened steel such as a screw-driver insert. This tool comprises a screwing head (4) followed by a neck (6) bearing an identification mark, as well as a torque transmission sectio...  
WO/1999/007519
A wrench (10) for rotating a fastener having a number of corners on a periphery thereof and method of making same is disclosed. The wrench (10) includes a gripping member (12) having an opening defined by an inner surface (24) compliment...  
WO/1999/007520
An accessory (10) for a wrench socket (12) is disclosed including a generally cylindrical magnet (32) secured to a generally cylindrical, nonmagnetic, compressible disk (26) which snugly fits within the well (14) of a socket (12). Specif...  
WO/1999/006187
In clamping chucks, in particular quick clamping chucks for screwdriver shanks, a ball is normally used for blocking the tool rod, said ball acting on the rod end by the effect exerted by a clamping surface and blocks the shank inserted ...  

Matches 851 - 900 out of 3,940