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Patent Searching and Data


Matches 751 - 800 out of 3,940

Document Document Title
WO/2003/006211
During a screwing operation, the torque (MD) and the angle of rotation ($g(a)) are measured in a rotary screwdriver. The screw is first tightened in a torque mode, and the torque is measured simultaneously, until a binding torque (M¿F?)...  
WO/2003/006208
The power screwdriver comprises a functional part (11) with a housing (14) through which a shaft (17) passes. The shaft (17) is provided with a toothing (18), into which a ratchet lever of the functional part (11) engages. A splined shaf...  
WO/2003/002307
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/2003/000465
A power torque tool has an output shaft (18) along which torque pulses are transmitted to a load (28) such as a bolt. The shaft is driven by a mechanism (16) which can be of the impact-type or piston-and-cylinder type. The torque in the ...  
WO/2002/102530
The invention relates to a portable tool used for installing fixing elements for assembling parts, which is particularly suitable for assembling machined parts or sheet metal by means of riveting. Said portable tool comprises the followi...  
WO/2002/102554
A method for controling the torque applied by discrete energy tools subjected to a wide variety of joint conditions. The method includes relating air pressure to output torque and compensating for temperature and aging variations. Additi...  
WO/2002/101249
The invention relates to a locking device for nut/bolts, which is a locking assembly to be positioned between at least two nuts/bolts (15), to which have been fitted at least two brackets (10,10') equipped with an inner race polygon (13)...  
WO/2002/100601  
WO/2002/098612
An impact tool (10) having a control system for turning off a motor (12) at a preselected torque level.  
WO/2002/097386
A bit adopter for torque detector capable of absorbing and reliving a rotating inertia force accumulated at the tip part of a rotating tightening tool, measuring a torque value in response only to a proper rotating torque, easily and rap...  
WO/2002/087829
A torque control system for electrically driven rotating tools capable of always properly and efficiently effecting constant−torque tightening of screws or the like and capable of easily achieving the miniaturization of the whole devic...  
WO/2002/085568
The invention relates to a power screwdriver, comprising a drive device arranged in a holding part (10). An output device (20) is mechanically connected to the drive device, for instance, by means of a planetary gear. A decoupled sensor ...  
WO/2002/083366
A method and a device for determining the torque magnitude transferred to a threaded fastener (25) at each one of a series of torque impulses delivered to the fastener (25), including application of repeated torque impulses on the fasten...  
WO/2002/081133
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/2002/077444
The invention relates to a threaded joint between two components (2, 5) of a structural part (1) that is subject to a high working pressure, for example an injector for injecting fuel into the combustion chambers of an internal combustio...  
WO/2002/072314
Device for mechanically arranging a fixing element, such as screws or bolts, which device comprises a housing (1), a motor (M), a screw bit which is driven by this motor via a displaceable spindle (10) and which is displaceable form a po...  
WO/2002/070208
A torque wrench has a drive head (1), a lever arm (2), a torque sensing break mechanism (5,6,7,8) and a handle (4) with means (11) to set the torque at which said mechanism operates. The sensing means (7,8) comprises a coacting cam (7c) ...  
WO/2002/068156
An electric rotational tool driving switch system, which, in using an electric rotational tool, is capable of selectively effecting drive control based on a desired push operation type or lever operation type according to individual work...  
WO/2002/064296
A chuck (10) includes a driver (34) disposed on a chuck body (16) and in engagement with the jaws (18) so that at least one of rotation and axial movement of the driver (34) with respect to the body (16) opens or closes the jaws (18). A ...  
WO/2002/060651
A motor-driven rotary tool with internal heating temperature detecting function capable of conveniently and easily preventing a damage such as low temperature burn from being applied to an operator by the heating of an electric motor inc...  
WO/2002/060650
An impact wrench (1) comprising an output shaft (5) for receiving a socket or other fastener engaging element for tightening a fastener is powered by a pneumatic motor (11). Apparatus (20) for determining when the fastener has been tight...  
WO/2002/058890
The invention relates to a screwdriver comprising a shaft (1), one end of which is provided with engaging means (2) for engaging with a screw head and the other end of which is provided with a handle (3), in which the shaft (1) is anchor...  
WO/2002/058883
An adjustment mechanism (704) for a clutch (18). The adjustment mechanism (704) includes an annular adjustment structure (760) having an adjustment profile (770) with a ramp section (778), a first adjustment segment (772), a last adjustm...  
WO/2002/059491
A clutch arrangement for a power tool having a multi-speed transmission (16), the clutch arrangement includes a clutch member (700) and a follower member (724). The clutch member (700) is coupled to a member (310) of the transmission (16...  
WO/2002/058891
An article having a first structure (38) and a second structure (32). The first structure (38) includes a structural portion (100) and an overmold portion (102). The overmold portion (102) is configured to perform an auxiliary function, ...  
WO/2002/059500
A multi-speed transmission assembly for a rotary power tool. The transmission assembly includes a plurality of transmission stages, with at least two of the transmission stages employing a movable reduction element that permits the trans...  
WO/2002/057434
The invention relates to a device for screwing in fastening elements that consist of a plastic retainer (13) and a premounted screw (11). The inventive device is further characterized by a screw device (6) and a screwdriver (5). The scre...  
WO/2002/057038
A novel drill bit adapter (156) includes a body portion (164), a cap portion (168), a spring-biased catch (220) and a push button actuator (230). The cap portion (168) includes a transverse aperture and cooperates with the body to define...  
WO/2002/057054
The invention relates to a device for screwing in magazine-fed fastening elements that comprises, inter alia, a plastic retainer (13). Between the magazine for the plastic retainers (13) and feeding elements (10) for feeding the plastic ...  
WO/2002/055269
The aim of the invention is to accomplish a new configuration or a reconfiguration of a screw system. To this end, a control unit (12) detects the actual components, which are installed in a screw system, as well as their characteristics...  
WO/2002/053325
A drive tool (10) for use in association with a shearable fastener comprising an operative part and a head part shearable therefrom upon application of a predetermined torque, said drive tool (10) comprising a first assembly adapted to b...  
WO/2002/049792
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/2002/043927
The invention concerns a dynamometric key designed in particular for fixing an insert (22) on a handpiece (23). Said dynamometric key is characterised in that it consists of a grip element (3), and a securing element (5), said two elemen...  
WO/2002/042037
The invention concerns a member coupling device (4) comprising a base body (6) provided with a connecting endpiece (24) for coupling the member, an axial groove (30) being provided in the groove (30), which includes a locking tip (54) an...  
WO/2002/036309
Fastener gripping apparatus (10) can be used in connection with a shaft (14) having a driver portion (80) adapted to engage a bolt (3). The apparatus is used to move the bolt between an uninstalled condition, and an installed condition i...  
WO/2002/034438
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...  
WO/2002/034472
A ratchet wrench (1) including a handle (7), a drive stud (9) and a sealed (80, 82) ratchet mechanism (20) further includes a tool release mechanism. The tool release mechanism includes a control rod (2) that slides along the centerline ...  
WO/2002/034474
A ratchet wrench (1) including a handle (7), a drive stud (9), and a sealed ratchet mechanism including a tool release actuator (2)which forms a recess (6). A reversing lever (18) is coupled to the ratchet mechanism and is movable to for...  
WO/2002/030624
A system (100) for applying fasteners includes a plurality of tools, each capable of applying torque to a respective plurality of fasteners. Each of a plurality of power sources operates a corresponding one of the plurality of tools. Eac...  
WO/2002/026448
A device includes a body (21) having a plurality of alternating drive regions (32) and corner regions (33) arranged about a central axis for cooperation to define a socket recess (30) having an open outer end (24) and an inner end (31). ...  
WO/2002/022313
The invention is an improved offset head ratchet wrench. It allows the user to remove or interchange different size ratchet heads (14) or tools quickly with the push of a button (20) attached at the head (14) of the activating shaft (12)...  
WO/2002/022314
A screw guider of a screwdriver, which is attachable to and detachable from a screwdriver, is retracted if unnecessary, and is selectively advanced and retracted to be used for various purposes, is provided. The screw guider includes a f...  
WO/2002/020221
A pneumatic rotary tool (51) has a housing (53) formed primarily from plastic so that the weight and price of the tool are substantially reduced. The air motor (119) is formed for economic assembly while permitting greater structural sta...  
WO/2002/014023
A torque wrench which comprises a first spanner (10) with a first shank (11) which extends into one end of a principal tube (14) and which is pivotally secured therein by a first head-pin (20), the first shank having an end (15) which co...  
WO/2002/014019
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/2002/011953
A torque wrench for further tightening inspection capable of correcting an error caused by the rotation thereof before an inspected bolt is rotated and measuring a correct torque value by merely further tightening the tightening bolt, wh...  
WO/2002/011952
A screw alignmewnt device (10) for assisting engagement of a screw driving tool during a fastening operation with a screw of the type having a shank disposed between a head end and a front end, the screw tool being of the type having a s...  
WO/2002/004174
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/2002/000396
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 ...  
WO/2001/098034
A control method for a screw tightener having an electric motor as a rotation drive source wherein the motor generate a pulse-like output torque. The actual torque TQ is measured at a specified time interval. If it does not exceeds the m...  

Matches 751 - 800 out of 3,940