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WO/1998/051449A1 |
A mechanical rectifier (100, 200, 300, 400, 500) efficiently rectifies or converts alternative clockwise and counterclockwise rotation of a main handle (180) or other active driving element (660) into unidirectional rotation of a main sh...
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WO/1998/050202A1 |
A composite box end wrench has a non-metallic body (21) including a handle portion (22) and at least one head portion (23, 24) which defines a fastener-receiving opening therethrough. A reinforcing structure (40) strengthens the head por...
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WO/1998/049455A2 |
Ratchet wrenches (510) and socket (527) combinations using a magnetic ratchet clutch apparatus are disclosed, one of which defines a 'through hole' for allowing bolts to pass entirely through the socket (527) and the wrench head (512) so...
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WO/1998/044271A1 |
A reversible, stepless one way clutch mechanism which is suited for use in screwdriver type hand tools according to one embodiment. The clutch mechanism has a simplified torque transmitting friction element which is direction selectable ...
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WO/1998/042480A1 |
The invention concerns a screwing element (1) for receiving the fastener head (5) of a fastener device (6), which screwing element (1) is provided with jaws (3, 4) for grasping the fastener head. The jaws (3, 4) can be inserted into and ...
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WO/1998/041362A1 |
A socket spanner comprises a box section (2) for fitting over a nut, and a handle (4) attached to the box section by means of a universal joint (6). The universal joint provides a pivotal mounting for the handle (4) which can be moved be...
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WO/1998/038011A1 |
The invention relates to a screwdriver tool comprising a directionally changeable free-running lock, wherein clamping members (3) are arranged between a driving section (1) and a driven section (2). When relative displacement occurs from...
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WO/1998/038009A1 |
The invention concerns a ratchet wrench (1) with a single-piece jaw (3) comprising two positions for driving a hexagonal head (4), in particular of a screw or a nut. In each driving position, two opposite surfaces of the head (41, 42) ar...
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WO/1998/034520A1 |
An apparatus is disclosed for the secure storage of sockets for ratchet wrenches. The invention includes a system for securely holding one or more of a set of detachable bits, used with ratchet wrenches or other tools, by means of a cam-...
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WO/1998/033626A1 |
Adjustable spanner of the type comprised of a fixed jaw, which is integral with the handle, and a mobile jaw (2) which is provided with a rack (3). Said rack is in mesh with an actuation shaft (5) made of flexible elastomer material and ...
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WO/1998/031508A1 |
An improved adjustable box wrench having a mouth (9) with a plurality of gripping surfaces (27, 31, 32) for surrounding a nut, bolt or the like. A movable jaw (5) allows the size of the mouth to be altered when a worm screw (8) is turned...
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WO/1998/031507A1 |
An adaptor (20) to mate with a hand tool (46) such as a folding multipurpose tool to make use of the multipurpose tool as a handle to turn tool bits of various sizes, such as screwdrivers or small socket wrenches. The adaptor (20) includ...
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WO/1998/029219A1 |
An improvement of a right wrench used in changing oil for motorcyles. A right wrench comprising a shaft received in a shaft casing which has at its rear portion a gripping section and at its fore end portion a transmitting section, and r...
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WO/1998/025733A1 |
The invention relates to a fixing device for a set of angular screw-spanners having a short and a long side. Said device comprises insert holes for one side of the screw-spanners. The other right angle sides of the screw spanners are ali...
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WO/1998/024595A1 |
A nut (6) is inserted into a screw attachment (1), said nut accommodating the head of a fastening element. The nut (6) is made of two cheeks (4, 5) which engage into a sleeve-like holder (3) with torsional rigidity. The cheeks can be mov...
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WO/1998/024596A1 |
A low profile ratchet wrench (10) has an opening (22, 26, 28) formed through the head (16) of the wrench (10). A pawl module (30) having a body (32), a detent mechanism (40), a reversing lever (66) and a pawl (46) is received in a portio...
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WO/1998/022262A1 |
The invention provides a socket (2) mounted on the actuating handle (4) of a socket wrench. The socket (2) comprises a hollow body member (10) housing a number of individual sockets (15, 16, 17, 18, 19, 20) which individual sockets can b...
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WO/1998/021011A1 |
This tool adaptable to a drilling machine or a screw driving machine for turning an object such as a clamping collar for tubes, pipes, ducts or the like, comprises a shank (1) capable of being inserted and clamped, by a first end, in the...
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WO/1998/021012A1 |
Pipe wrench with two shanks each with a toothed jaw at an angle to the shank, the shanks connected at a joint and one shank translatable relative to the joint to adjust the distance between the jaws, with the tooth tips on each jaw locat...
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WO/1998/021010A2 |
The object of the invention is to enhance the usefulness of an improved ratchet hand tool (45-1), with supplementary means of rotating the drive. The improvement consists of an extension handle (8-1) for tool (45-1), for reaching into ar...
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WO/1998/018600A1 |
An adjustable speed wrench consists of a fixed jaw and a movable jaw, respective end of which includes an arc R to form the angle $g(u), a spring setting between the jaws, a wrench body disposed of a recess for fitting a latch which comp...
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WO/1998/016350A2 |
An indexible tool (10) comprises a handle (12) of the tool stays in a constant horizontal plane with respect to a horizontal plane of a head (14) of the tool. The tool has locked and unlocked positions through a movable splined pin (22) ...
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WO/1998/010899A1 |
This invention provides an improved apparatus for gripping oil field tubular members (10). The apparatus has a gripping surface (53) which comprises a backing surface (5) adapted to contact an oil field tubular member (10) where the back...
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WO/1998/009774A1 |
A wrenching member (10) includes at least two spaced-apart and substantially oppositely facing drive surfaces (20, 21), each of which has a roughened region (26, 27) and an unroughened region (28, 29) thereon, with the roughened region (...
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WO/1998/007995A1 |
A force application element for the transmission of a torque consists of at least two force application surfaces (4) for a tool (2) that are located in an axial hole (3) of a machine element. These force application surfaces (4) cooperat...
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WO/1998/006543A1 |
The invention concerns an open end wrench with manual and alternative rotation control (1) having a fork (3) for screwing and/or unscrewing a nut (4); the fork branches (10 and 20) comprise thrusting zones (11, 12 and 21, 22) for screwin...
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WO/1998/006542A1 |
A socket tool (10) is formed primarily from non-metallic composite material. The socket tool body (11) is compression molded of high-strength, glass-reinforced vinyl ester sheet molding compound. Metal inserts (20, 25) are respectively r...
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WO/1998/002622A1 |
The invention relates to an inner member (1) which is arranged to be freely rotatable in a carrier sleeve (8). The inner member (1) has a stop member with an abutting slope (12) and a blocking surface (10). The carrier sleeve (8) also ha...
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WO/1997/047509A1 |
A hub plate assembly (26) comprises a hub plate (34) having an axial bore (38), a pair of transverse slots (40, 42), and a gear (36) including a gear portion (44) and a threaded shaft (46) extending from the gear portion. The threaded sh...
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WO/1997/044163A1 |
The invention relates to a storage device (1) for screwdriver bits (13) or the like and a chuck (20) therefor in a compartment, in which the screwdriver bits (13) with their clamping shafts inserted in pockets and the chuck (20) having a...
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WO/1997/044161A1 |
A universal socket wrench (10) comprising a housing (14) having an internal chamber (16) which is open at a first end (18). A bundle of members (20) having relatively large cross-sectional area-to-length ratios is supported in a slidable...
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WO/1997/040964A1 |
A switch-type speedy pipe wrench having the configuration of the conventional pipe wrench, and is provided with an arch-shaped self-sliding opening Jaw, a contained in type of automatically holding and returning means, a locking wheel co...
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WO/1997/038826A1 |
In a tool extension for actuating tools with polygonal drive, especially six or four-sided drive, said extension can be fitted in the horizontal plane perpendicularly to the actuating axis of the tool.
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WO/1997/037605A1 |
A threaded cap (10) for locking a knurled shank (20), for example, in a groove (32) provided in the head (31) of a screw implant (30) is disclosed. Said cap includes a guide and support finger (11) coaxial therewith, joined scallopings (...
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WO/1997/036716A1 |
The invention relates to a self-clamping spanner which has a fixed jaw (2) connected to a handle (1), and a pivotable jaw (3) mounted on said fixed jaw. A pressure spring (5) held in a spring bore (6) of the handle (1) presses on the rea...
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WO/1997/036715A1 |
A self-locking spanner has a fixed clamping jaw (2) rigidly connected to a grip (1) and a mobile clamping jaw (5) which is mounted on the fixed jaw so as to pivot. A leaf spring (6) engages on the mobile clamping jaw (5) when the latter ...
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WO/1997/036714A1 |
A pivoting clamping jaw (5) is mounted on a grip (1) of a self-locking spanner. The jaw bearing comprises two lateral faces (4) at a distance from one another and a pivot bracket (6) mounted on a pivot pin (7) and capable of pivoting rel...
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WO/1997/036717A1 |
A self-locking chuck key has a fixed clamping jaw (2) rigidly linked to a handle (1) and a movable clamping jaw (5) swivellingly mounted thereon. A leaf spring (6) presses the movable clamping jaw (5) into its clamping position. The leaf...
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WO/1997/033722A1 |
A power nutrunner comprising a planetary reduction gearing (12) and a torque limiting release clutch (13) disposed between a ring gear (25) of the reduction gearing (12) and the tool housing (11), wherein the ring gear (25) is tubular in...
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WO/1997/030824A1 |
A portable tool assembly (10) has a flat carrying case (12). The case has a groove along an edge side (26) to snap-fit an allen wrench (18) in place and an opposite edge side (24) to snap-fit tool bits (14 and 16) in place. Counterbores ...
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WO/1997/030823A1 |
A ratchet wrench (10) comprises a body (14) disposed on a handle (12), the body having a head (16, 18) provided with a main wall defining an opening for receiving an element to be rotated. A pair of supplementary walls extends radially o...
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WO/1997/029887A1 |
A folding hand tool set having a one-piece, completely integral, plastic handle and a plurality of hand tools rotatably mounted thereto. The one-piece, completely integral, plastic handle is preferably constructed from a fiber reinforced...
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WO/1997/027407A1 |
A force transfer device (30) includes an inner race (40) and an outer race (38) and a plurality of reversible wedging elements (34) located between the inner and outer races. This device (30) allows for continuous force transfer between ...
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WO/1997/026115A2 |
The invention concerns a ratchet spanner comprising a chuck (3) which is rotatably disposed in the annular or jaw-like spanner head (1) and is supported such that it can slide axially on steps at the ends of the cylindrical head opening....
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WO/1997/024991A1 |
A driver (100) for use in orthopaedic surgery or the like having a generally elongate housing (102) adapted for single-handed gripping operation. The driver includes engagement means (104) associated with the housing for releasably engag...
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WO/1997/018925A1 |
A spindle nut (10) and a locking device are disclosed for securing the nut (10) on a spindle (50) in a non-rotative position relative to the spindle (50). The assembly comprises the spindle nut (10), an antirotation spring (20) and a spr...
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WO/1997/018061A1 |
Locking/unlocking is controlled by an axial rod (T) sliding in a central bore (A) in a male portion (1). The movement of the rod is controlled by a pivoting member (15). The device is particularly suitable for coupling extensions to sock...
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WO/1997/017902A1 |
A cutting tip wrench with a generally long, hollow body with an interior capable of receiving an engageable clutch. The clutch has a projection containing a bore, preferably in the shape of a square and capable of frictionally engaging a...
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WO/1997/017171A1 |
The powered backup tong assembly (10) includes a planar support plate (14), a pair of hydraulically powered cylinders (16, 18), a pair of link arms (20, 22), and heads (24, 26, 30) for gripping engagement with the oilfield tubular. The p...
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WO/1997/014539A1 |
A self-forming socket having a plurality of retractable pins (16) bundled in parallel within a housing (20). The bundled pins may displace longitudinally and are biased by spring force away from a frame (20) on which the pins are slidabl...
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