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WO/2001/028720A1 |
A spectacles lens boring jig positioning device capable of accurately positioning and fixing, with simple device and operation, a boring jig for machining a non-through hole extending from the end face of a spectacles lens machined by ba...
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WO/2001/015870A2 |
A hand tool apparatus uses a cutting tool with a first width and a tool axis to machine a hole in an object. The hole has a second width at least as large as the first width of the cutting tool. The tool axis passes through a predetermin...
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WO/2001/007188A1 |
A hammer (90) is supported in a valving sleeve (82) fixed in an internal passageway (27) of a body (25). The sleeve has a cross wall (81) with an orifice (120) closed and opened by the hammer (90) on one side and a tubular reciprocable v...
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WO/2001/005558A1 |
According to the invention, the impact mechanism (12) can be brought into an impact position by an axial displacement of the guide tube (13) out of a no-load operating position, whereby a restoring spring (27) subjects the guide tube (13...
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WO/2001/000368A2 |
The invention relates to a pneumatic piston percussive mechanism for a percussion drill and/or a drill hammer. The inventive mechanism comprises, housed in the housing (2) of the percussive mechanism, an axially reciprocating percussion ...
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WO/2000/074884A1 |
The invention relates to a drilling and thread-cutting guide (1) comprising a guide unit (3) which can be fixed in position on a workpiece (2) and at its lower part (4) has support position (5). The guide unit (3) cooperates with a guide...
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WO/2000/075475A1 |
A hammer drill has a motor (18) which drives an axially displaceable intermediate gear (36) mounted in an intermediate gear arrangement. An impact mechanism is formed by including interacting impact cams (30, 40) between either the inter...
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WO/2000/065674A1 |
An electrical appliance (1) has a battery holder (5) which can be inserted into a recess (4) of the appliance. The battery holder is locked in the appliance by a locking mechanism (8) which comprises resilient fingers (9, 10) arranged on...
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WO/2000/054915A1 |
The present invention is a low profile self-adhering drill (10) having a feed mechanism (16) having an axis of rotation, which is generally perpendicular to the axis of rotation of the drill motor (14). The feed mechanism (16) includes a...
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WO/2000/044533A1 |
In a rammer with an axial guide and a percussor (5) moving back and forth in the guide under the effect of a spring element (9), the guide has a section (14) with one or several tracks extending circumferentially and axially around the a...
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WO/2000/034015A1 |
The invention relates to a new angle drilling device for the do-it-yourself sector. The drill comprises a base plate (2) which can be positioned on a workpiece (90) and two guide braces (3) which extend upwards from said base plate. A sl...
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WO/2000/020151A1 |
A magnetic based drill assembly (10) comprising a support platform (12) mounted to the magnetic base (14) for attachment to a work piece includes a feed mechanism (26) operatively connected to the platform (12) for rectilinear movement b...
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WO/1999/028072A1 |
The present invention concerns a drillbit attachment for drilling holes in a surface (1) in a corner, parallel to and with no or negligible spacing from the other surface (2). The drillbit attachment comprises a guiding handle (3) and tw...
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WO/1999/010132A1 |
The invention relates to a driving device for the spindle (1) of a motor-driven, hand controlled work tool, especially an automatic drill or impact wrench. The driving device has an input component (3) and an output component (4). The ou...
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WO/1999/003647A1 |
The inventive percussion and/or drill hammer (10) consists essentially of a hammer housing (12) which surrounds a rotor for a percussive tool (11), including the drive mechanism and the holding element, and an outer shell (14) which enco...
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WO/1999/001260A1 |
The invention relates to a paving breaker and/or hammer drill with a clutch mechanism (3), which can be engaged by positioning or retracting a tool (13) from a stone which is to be processed and which interrupts or cuts off the power flo...
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WO/1998/058773A2 |
The invention relates to a one-sided pneumatic impact tool in which a percussion piston (11) is guided inside a hollow driving piston (8), which in turn can be axially displaced in an impact tool housing (7). A volume of air enclosed by ...
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WO/1998/058774A1 |
The invention relates to an electrical machine tool for rotational and/or percussive tools such as drilling machines or hammer drills, comprising a machine housing (10) with an electrically driven working spindle (11) to drive a tool fit...
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WO/1998/052723A1 |
A drilling aid for use with a power drill comprising an abutment plate (2) for lying against the surface to be drilled, a collar (12) for attachment to the power drill above the drill bit holder, and one or more columns (3) of adjustable...
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WO/1998/047670A1 |
In a rotary hammer with an electric motor which is arranged with its longitudinal axis perpendicular to the axis of the hammer spindle (8) and the tool holder (2) there is a single switching element (25) for the activation and deactivati...
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WO/1998/029220A1 |
The invention relates to a percussion drill and/or jack hammer comprising a handle (14) that is spring-buffered against the hammer housing (12) and characterized in that it has at least one straight guiding track (20, 22) running paralle...
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WO/1998/021014A1 |
The invention relates to a working tool comprising a working body driven by an integrated mechanical drive for striking, stamping or vibrating a material to be processed, specially a stamp hammer, a vibrating plate, a vibrating roller fo...
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WO/1998/019833A2 |
In a device for orienting the working angle in a dressing machine, such as a hand drill (100), a machine carrier (1) which is anchored on the housing (100a, 100b) of the hand drill (100) directly or indirectly by means of a fastening str...
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WO/1998/016353A1 |
Apparatus for mounting a drill on the pipe comprises a platform (9) carrying a mounting member for a drill stand (37). The mounting (37) may slide along a frame (25) which carries a plurality of elongate holes (35) therein. The longitudi...
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WO/1998/015388A1 |
The invention concerns the wobble mechanism (2) of a striking tool which is provided with an air-cushion impact mechanism (1). The hub (5) of the wobble mechanism (2) is disposed on an intermediate shaft (3), a wobble plate (6) being rot...
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WO/1998/010902A1 |
A paddle fitting tool (10) for drilling a hole through a wing spar (60) inserted into a paddle fitting (70) where the paddle fitting has a top fork (74) with a hole (76) and a bottom fork (72) also having a hole (78) approximately aligne...
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WO/1998/006245A2 |
In a hand-held electric tool driven by an electric motor (2) and capable of being connected to a single-phase alternating current (4a), the electric motor (2) has no collector or slip ring, and its driving energy is supplied by control e...
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WO/1998/005457A1 |
A hammer drill (10) has a rotatable armature shaft (30) that drives an axially displaceable intermediate gear (62) mounted on an intermediate shaft (64), which in turn, drives an output gear (42) fixed about the midsection of an axially ...
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WO/1997/045222A1 |
An electric drill is prevented from operating when failure of electric power during a drilling operation is restored to normal and when breaking of a coil in an electromagnet occurs. When failure of electric power is restored to normal i...
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WO/1997/031576A1 |
The invention concerns a surgical drill with a housing in which are fitted an electric motor and a drilling mechanism driven by the motor. Forming part of the housing is a handle on which the controls for motor speed and motor-direction ...
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WO/1997/028930A1 |
The invention concerns a tool holder (10) for inserted tools in drill and/or hammer-driven machines, having means for rotating and axially locking a tool spindle insertable into a tool holder (11) of the machine, where the tool holder is...
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WO/1997/017156A1 |
An apparatus for boring a web of shape steel, comprising a boring unit (24) squarely facing a web of cramped shape steel (19), and an arm plate (11) for supporting the boring unit (24). The apparatus is further provided with a fastening ...
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WO/1997/013602A2 |
An interchangeable tool and tool holder are disclosed for drilling machines, in particular drilling hammers. Longitudinal ridges on the cross-section (1) of the core of the insertable tool shank (11) axially guide the tool, transmit rota...
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WO/1997/010929A1 |
A hand held compressed air power tool (10) is provided with a handle (14) that can axially rotate about an orthogonal axis (15) perpendicular to the tool housing. Thus, the handle (14) can rotate independently of the motor housing (12) t...
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WO/1996/019321A1 |
An adapter (12) for an axial percussion machine, such as an impact drilling machine (13), has two telescopic coupling members (14, 15) spring-loaded in the axial direction so as to slide inside each other and co-operate in the direction ...
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WO/1996/011090A1 |
Pneumatic power tool comprises a housing (10) with a pistol type handle (11), a motor located in the housing (10), a pressure air inlet passage (13) and an exhaust air passage (14) both extending through the handle (11) in substantially ...
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WO/1996/011091A1 |
A pneumatic power tool comprises a housing (10) with a pistol type handle (11), a motor located in the housing (10), a pressure air inlet passage (13) and an exhaust air passage (14) both extending through the handle (11) in substantiall...
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WO/1996/010465A1 |
A small, portable, light-weight pneumatic spot weld drill (10) comprises a drill housing assembly (12) which includes a trigger assembly (14) for providing a supply of pressurized gas. A piston assembly (30) is positioned within the dril...
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WO/1996/008343A1 |
A combination of a drill holder and a drill in which the drill holder has a bushing (19) for receiving a shank of either a hammer drill or a rotational drill and having a conical frustum (24) for transferring the boring pressure to a cor...
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WO/1995/033599A1 |
Proposed is a toolholder for a hand drill, the toolholder ensuring that a tool with a grooved shank inserted in the drill is particularly securely locked in place. The toolholder (10) has a locking element (37) which is located in a bore...
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WO/1995/021039A1 |
The invention relates to a portable hand-held machine, generating a rotary or rotary-and-translation motion, for boring works and the like. According to the invention, the machine is provided with an electric motor (1) placed in a radial...
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WO/1995/019244A1 |
The proposal is for a device on hand machine tools for the rotary drive of percussion and/or drilling tools in which there are on the tool spindle (11) and the chuck (10) at least three locking sections consisting of grooves (17, 18, 22)...
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WO/1995/019243A1 |
The proposal is for a device on hand machine tools for the rotary drive of percussion and/or drilling tools having at least three locking sections and an axial lock uniformly distributed around the circumference of the tool spindle (11) ...
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WO/1995/017991A2 |
A machine-tool (10) has a drive (12) with a driven shaft (14) that carries out an intermittent rotary movement. The driven shaft (14) drives the drive shaft (18) which drives a tool (20) through an over riding clutch (16). The tool (20) ...
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WO/1995/013905A1 |
A tool holder (15) having radially movable jaws or gripping members (11) define an axial tool shank receiving passage therebetween. A tool (27) having a shank portion (28) which may be received in the shank receiving passage of the tool ...
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WO/1994/026177A1 |
A method and apparatus for drilling a curved bore are disclosed, wherein the apparatus includes a handle (20) and a removable cartridge (174) in which cutting bits (240) are disposed to produce the bore. The handle includes a trigger (66...
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WO/1994/022624A1 |
Method of direction control consisting in bringing forth one or more parallel reference lines (7, 8) that may be manipulated in such a way that their directions become parallel to the intended direction and with the help of plane mirrors...
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WO/1994/008758A1 |
The extendable arm (10) of the present invention enables the drilling of holes and installation of fasteners in ceilings directly by an operator standing on the floor below the ceiling. The arm (10) has a foot-actuated lever (13), a tele...
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WO/1994/006591A1 |
Mounting device for connecting a drill bit (4) to a hand drill (1), to allow drilling through one of two adjoining surfaces parallel to and with insignificant spacing from the negligible other of said surfaces, the device comprising a ri...
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WO/1993/025352A1 |
A penetrating tool system for penetrating a workpiece wherein a basic relative displacement is established between the workpiece and the system, comprising a penetrating element (18) such as a drill bit, knife, saw blade or the like; fir...
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