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WO/1993/019901A1 |
A fluid powered reciprocating blade cutting tool (Figs. 1, 5 and 7) includes a hollow handle (10) which functions as a motor housing. Fitting means (21) are provided for connecting the housing (10) to a source of fluid under pressure and...
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WO/1993/019877A1 |
A spindle head comprises a casing (1) in which is rotatably mounted in an annular guide (2) a faceplate (3). In the faceplate (3) is mounted eccentrically to its rotation axis a poppet sleeve (5) rotating in an annular guide (4) and carr...
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WO/1993/015876A1 |
A main spindle positioning method which makes the most of deceleration of a spindle motor and speeds up a spindle positioning operation. It is assumed that the spindle motor is running under speed control. In response to a command for a ...
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WO/1993/014902A2 |
Spindle drive device for machine tools with a work spindle to hold a workpiece to be machined, a spindle drive motor and a variable planet gear fitted between it and the work spindle for a spindle drive with different gear ratios. The pl...
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WO/1993/013910A1 |
An apparatus (10) for use on a machine tool having a table movable along a rail (18) disposed in a way. The apparatus includes a way cover (14) and a rail engaging coupling (12). The way cover includes a top and first (60) and second (61...
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WO/1993/009910A2 |
An electromagnetic coordinate servodrive for a working carriage (1) has two controllable linear servomotors that run in mutually perpendicular directions, i.e. a first and a second linear servomotors having each a frame part (2, 4) and a...
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WO/1993/009911A1 |
A feed screw device which comprises a fixing member, a feed screw shaft rotatably supported on the fixing member, a nut fastened to the feed screw shaft and, secured to the nut, a member to be fed, and wherein a force is transmitted from...
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WO/1993/009398A1 |
A magazine has a plurality of storage ports (100) each of which retains a stylus module (14) for use in measuring workpiece dimensions on a coordinate measuring machine. Each storage port (100) is configured as a pair of jaws provided by...
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WO/1993/006961A1 |
A protection device for a sawing apparatus (1) comprising a frame (16) which contains one or more circular saws (2) and one or more supports (3) for a workpiece (12) to be shaped. The device comprises a switch mounted in a circuit for su...
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WO/1993/006785A1 |
A tool (10) for the tapping of a bone hole (11) and installation of an implant (12, 14) in dentistry has a knob (16) manually rotatable externally of a patient's mouth on one end of an arm (20) and a bit (19, 21), releasably secured on a...
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WO/1993/002833A1 |
Tool turret for a machine-tool, the turret head (26) of which is designed to be fitted with drivable tools, in which, in order to reduce the time needed to move the turret head onwards, a three-part HIRTH tooth system (60) is used to loc...
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WO/1993/002539A1 |
The machine tool has a frame (10) and a curved drive therein with two pairs of curved tracks (21a) with complementary curves. The tool is actuated via two levers (3a, 3b) linked laterally to a clamping plate (8). Each of these levers has...
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WO/1993/002540A1 |
The machine tool has a frame (10) and a curved drive therein with two pairs of curved tracks with complementary curves. The tool is actuated via two levers (3a, 3b) linked laterally to a clamping plate (8). Each of these levers has two r...
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WO/1993/001912A1 |
The invention concerns a device for protecting from overload, and braking, a motor-driven machine part, in particular a cam-driven tool in a stamping and/or bending machine. The device comprises, in the drive line from the motor (2) to t...
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WO/1992/022435A1 |
An ornamental turning device (10) comprises a shaft (11) on which is mounted a work to be decorated. The device (10) also comprises tool drive means (5) for driving a tool (7) for decorating the work (9). The driving mechanism (5) ensure...
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WO/1992/021474A1 |
An apparatus is provided for transmitting rotation about and translation along a first axis (145) from a driver (60) to a toolholder with a spindle (130) along an axis (230) non-parallel from the first axis. A shaft (180) is rotatably mo...
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WO/1992/020491A1 |
In an electric hand-tool, especially a drill, with a casing (10), an electric motor (15) contained therein with a motor shaft (16) parallel to the casing axis and a working spindle (18) driven by the electric motor (15) via a reduction g...
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WO/1992/017313A2 |
A computer aided design and manufacturing system comprises a platform (7) suspended by means of three pairs of supportive legs (8) which are coupled thereto at triangularly spaced-apart locations by means of three universal joints (9) ea...
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WO/1992/015424A1 |
A machine tool comprising: a tool holder for holding a tool; a main shaft for detachably holding the tool holder; a main shaft supporting portion for rotatably supporting the main shaft; a drive means for rotating the main shaft at the m...
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WO/1992/014572A1 |
An arrangement for driving a rotary tool (17) is provided in which the tool shank (18) is engaged and frictionally driven by the engagement of three or more drive rollers (14, 15, 16). Axial movement of the tool (17) is accomplished by t...
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WO/1992/014987A1 |
A touch trigger probe includes a hybrib integrated circuit (58). On this circuit are provided both kinematic support elements (28) for supporting a deflectable stylus (14) in a precise rest position, and sensing elements (40) for detecti...
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WO/1992/013673A1 |
An improved drilling head comprising a machine quill (2) for receiving a drill bit (1), means for rotating the machine quill (2) and thereby also the drill bit (1) received therein, hydraulic or pneumatic apparatus for exerting a downwar...
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WO/1992/013670A2 |
In a group of driven tool holders, all components of the group have an identical basic unit (10). An attachment (12) is added to the basic unit (10) of each component part. The attachment (12) differs from group component to group compon...
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WO/1992/011993A1 |
A device for performing a two-stage linear movement with a fixed and a movable component comprises a hydraulic cylinder (1) and a hydraulic piston (2) preferably in the form of a plunger. The hydraulic piston has a recess (3) which house...
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WO/1992/010796A1 |
Device and process for rapidly grinding an irregular surface. The process consists in, firstly, measuring in relation to the model of the surface in its final state, the grinding allowances at a certain number of modelling points. Second...
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WO/1992/010330A2 |
The invention concerns a special device for producing by machining a multiplicity of shaped bores or shaped external surfaces, such as squares, hexagons, ellipses, polygons. This is done by superimposing a forced radial motion, produced ...
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WO/1992/009394A1 |
A machine for machining blind-ended slots longitudinally disposed within the bore of a sleeve (1) held in a chuck (4) in a work holding spindle (5) indexable about a rotational axis, a reciprocable cutting tool (2) mounted on a cutting s...
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WO/1992/003254A1 |
An arrangement for adjusting a carriage of a machine tool by means of a carriage adjusting motor has a stationary spindle (1) on which are mounted a spindle nut connected to the carriage and an overload coupling (4, 8, 11, 12, 13) to pro...
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WO/1992/001532A1 |
The main-spindle drive disclosed comprises at least two electric motors located equiaxially one behind the other. Only the stator (1) of one of the electric motors at the front (i.e. tool) end of the row of motors is rigidly fixed. The s...
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WO/1992/000159A1 |
A saw includes a mounting arm (24), a carriage (26) mounted on the arm (24) for linear movement in first and second directions along the arms (24), a saw blade (30) mounted on the carriage (26) for rotational movement relative to the car...
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WO/1991/018702A1 |
Automatic cutting machines carry flame cutting torches in close proximity of a workpiece and can force the torch into contact with an upturned cutaway piece from the workpiece, causing considerable damage to the cutting apparatus. The su...
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WO/1991/017564A1 |
A positioning stage comprises a base, a stage plate slideably supported on said base, at least three linear drive means rotatably engaging both the stage plate, and the base for moving the stage plate upon the surface of the base. With a...
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WO/1991/015333A2 |
The invention discloses an Ultrafast Electro-Dynamic X, Y and Theta Positioning Stage. A positioning stage made according to this invention allows light payloads to be moved with extremely high linear and angular accelerations over finit...
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WO/1991/013272A1 |
The present invention provides a compact speed increasing device which may be mounted upon the way tubes of a powered multi-purpose woodworking tool. The speed increasing device includes a horizontal input shaft (46) for connection to th...
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WO/1991/008404A1 |
A speed reducing device includes a housing (10) which partially supports input and output shafts (56, 96) passing through opposite sides of the housing (10). An end of the input shaft located within the housing is formed with a hole for ...
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WO/1991/006402A2 |
A router jig for a routing machine (1) to permit foot operation thereof. The jig has a support cradle (c) provided with a pivotally mounted actuating mechanism (10) for attachment to the router head. The actuating mechanism is operable b...
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WO/1991/006415A1 |
A mold clamping system (10) for closing and opening a pair of cooperating mold halves (18, 34) in a molding machine (12). A toggle-type traversing arrangement is provided by a plurality of pivotally connected links (52, 54, 62), one of w...
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WO/1991/005964A1 |
A step-by-step driving mechanism (10) for driving longitudinally mobile carriages in accordance with a predetermined law of motion has an elongated cylindrical roller (12) arranged next to one of the carriages with its longitudinal media...
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WO/1991/003145A1 |
A machine such as a machine tool includes a pair of spaced platforms. One platform (11, 31, 185, 72, 159, 142) may mount an operator such as a tool in a spindle and the other platforms (10, 20, 180, 170, 144, 163) may mount an object suc...
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WO/1991/003343A1 |
In a multispindle automatic lathe which supports rotatably a plurality of spindles on a spindle carrier (52) which is supported indexably and rotatably by a head stock (51) and which is equipped with a single motor (20) for driving and r...
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WO/1990/015371A1 |
An absolute positioning method which can set easily and automatically an absolute position of a driven member at the time of power-on of a full closed-loop servo system. When the power source of a numerical controller (10) is turned on, ...
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WO/1990/013747A1 |
A hydraulic drive (10) for the adjustment, feed and return movements of a tool head of a machine tool comprises a hydraulic motor (11) and an after-running adjustment valve (12). The reference value of the position is set and the actual ...
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WO/1990/009505A2 |
A device (31) for assembling frames and frame mouldings which utilizes a monolithic assembly part (31) forming a double tenon, and having the shape of two identical circular truncated cones whose height is essentially equal to three quar...
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WO/1990/006833A1 |
This invention relates to a turn table apparatus of a composite machine tool which is directed to prevent the drop of indexing accuracy at the time of positioning of a workpiece and at the time of its clamping and the discrepancy of inde...
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WO/1990/005050A1 |
The invention relates to a feeding apparatus for advancing pieces against a fixed stopper, particularly a feeding apparatus for supplying a milling mechanism (3) with pieces to be spliced on a timber splicing line, said feeding apparatus...
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WO/1990/004120A1 |
A screw linkage has a frame (1), a first threaded part (2) and a second threaded part (3) the thread of which fits into the first threaded part. The frame (1) has a straight-line mechanism (1.1) for the first threaded part (2), a radial ...
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WO/1990/002024A1 |
In a centreless circular grinding machine with a driven grinding wheel (3), a control wheel carriage (4) which carries a drivable control wheel (6) travels along a machine bed (1). The adjustment movement of the control wheel carriage (4...
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WO/1990/000509A1 |
The invention relates to a device for the rapid positioning of a heavy carriage (301). The carriage (301) is finely positioned by means of a stationary positioning bar, for instance a part of a linear electric motor or a gear rack (303),...
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WO/1989/012522A1 |
A movable, in any case hollow shaft (6) has been fitted in a body (1) clear off the wall by means of one or more bearings. Clear off the wall of the hollow shaft (6) a solid shaft, or for the purpose of saving weight, a hollow shaft (3) ...
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WO/1989/012535A1 |
The invention concerns a spindle drive for a veneer lathe. In view of reducing the mobile masses of the drive gear equipment and making the lathe better adaptable to different log lengths, the opposite spindles in the lathe are provided ...
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