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WO/2008/040165A1 |
A chuck drived by flexible wheel includes a drill body (1), several jaws (2), a transmitting nut (3), a controlling outer sleeve (7) and a harmonic drive device with flexible wheel positioned between the transmitting nut and the controll...
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WO/2008/037025A1 |
A chuck assembly (10) having a body (11) and four jaws (12, 13, 14) and (15) which are configured to retract and close radially from the central axis at (16) by reason of the rotation of guide scroll plate (17) about central axis (16), c...
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WO/2008/031392A1 |
The invention relates to a system pendulum apparatus (13) for a chuck, and also to a method for the clamping of workpieces with a pendulum element (16) and a basal element, where there is an axially swivelable connection between the pend...
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WO/2008/025127A2 |
A hammer-action attachment for use with an electric drill comprises a main shaft with an impact member mounted in longitudinal force transmitting relation on the main shaft for rotation therewith. An actuator mechanism is mounted on the ...
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WO/2008/017150A2 |
A hammer drill comprises a casing, and an electric motor mounted within the casing. A drive shaft is connected in driven relation to the electric motor, and defines a longitudinal axis. A drill bit chuck is mounted in driven relation to ...
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WO/2008/017151A2 |
A hammer drill bit chuck attachment comprises a main shaft having a forward drill chuck end portion and a rearward shank portion, and defining a longitudinal axis. An impact member is mounted in fixed relation on the main shaft for rotat...
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WO/2008/015454A1 |
Tool holder assemblies (1) comprising a tool receiving portion R and tool gripping means (12, 13b) for gripping a tool received in the tool receiving portion, the tool gripping means comprising at least one tool gripping portion (13b) wh...
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WO/2008/015455A1 |
A rotary tool holder assembly (1) for holding a tool and comprising a collet (5) disposed within a shaft (4) and spring means (11) for acting on the collet, the collet being moveable relative to the shaft between a tool gripping position...
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WO/2008/014756A1 |
The invention relates to a gripping arrangement (1) for accommodating welding studs (2), a) having a jaw chuck (4) arranged on a holder (3) and intended for accommodating a number of jaw elements, b) wherein the jaw elements are mounted ...
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WO/2008/015451A1 |
Rotary tool holder assemblies (2) comprising a tool receiving portion and tool gripping means for gripping a tool (3) received in the tool receiving portion (103), the tool gripping means comprising at least one tool gripping portion (15...
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WO/2008/009171A1 |
A keyless drill chuck having a mechanism against loosening by impact includes a drill body which assembles the gripping jaws, bearing assembly and nut together, a jacket, a snap spring, a front housing, a back housing, a retaining ring a...
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WO/2008/009170A1 |
A bearing collar self-locking mechanism for a hand fastening drill chuck includes a clamping body, a couple of gripping jaws, a nut, a front cap, a back cap and a bearing collar self-locking mechanism. The outer wall of the net is fixedl...
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WO/2008/001346A1 |
A chuck for clamping an article has a receiving portion including a receiving bore having a longitudinal axis L, and a receiving bore inner surface. A clamping sleeve is accommodated in the receiving bore and is rotatable between a relea...
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WO/2007/147711A1 |
The invention relates to a junction (14) between two components (10, 12) of a tool system that rotates about an axis of rotation (16), especially for use in machine tools. The junction (14) comprises an at least partially conical seat (1...
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WO/2007/143976A2 |
The invention relates to a clamping means (1), in particular for a chip-removing machine, comprising a chuck body (2) with several circumferentially distributed clamping elements (3) and circumferentially distributed centering elements (...
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WO/2007/138890A1 |
A shank attaching structure enabling supply of a coolant even if a drill without a center pin is attached and the quick attachment and detachment of a shank (30) into and from a shank attaching hole (2) in one operation. The outer diamet...
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WO/2007/140257A2 |
A wheel chuck (10) configured to accommodate various wheel diameters and styles, without time consuming changeovers. In some cases, the wheel chuck (10) accommodates various wheel sizes using a mechanism (44) that is less susceptible to ...
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WO2007115164A9 |
Ring-constrained amino acid surrogates of formula I where R1, R2, R3, R4, R5, R6a, R6b, R7, and y are as defined in the specification, methods for synthesizing ring-constrained amino acid surrogates of formula I, methods of use of ring-c...
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WO2006089117B1 |
A chuck has a generally cylindrical body member having a nose section and a tail section. The tail section is configured to mate with the drive shaft so that the body rotates with the drive shaft. The nose section has an axial bore forme...
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WO/2007/129073A1 |
A tool holder spindle (1) comprising a shaft (4), a spindle body (2) comprising at least one bearing (3) within which the shaft (4) is journalled for rotation relative to the spindle body (2), a tool holder (5) for holding a tool, and an...
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WO/2007/124928A1 |
The invention relates to an adjustable tensioning element with a cylindrical base (10) which is formed planar on at least one of its two front sides (12, 14) and which has adjustable adjustment slats (16a, 16b, 16c) in the middle, which ...
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WO/2007/124962A1 |
The invention relates to a hand-held instrument, for dental or surgical use, intended to rotate a rectilinear detachable tool (13). It comprises: a tubular sheath (1); a hollow shaft (3) mounted to rotate inside the sheath and constitute...
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WO/2007/127892A2 |
A power driver includes a housing (95), a tool chuck (50), a cover (5), and a power take off mechanism comprising a PTO actuator shaft (40) biased axially forward by a spring (44) and fixedly supporting a PTO drive disk (41), and a thrus...
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WO/2007/122961A1 |
A lens processing device has a lens holder (11), a holder support mechanism (12), a rotation drive mechanism (13), and processing mechanisms (14). The lens holder (11) has a holding mechanism (17) provided with a through-hole (15) that c...
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WO/2007/118635A1 |
The invention relates to a clamping device for clamping tools, with a receptacle (2) encircled by an annular space (3). The annular space (3) is open towards the tool-side face (1a) of the chuck body (1) and towards the receptacle (2) an...
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WO/2007/118349A1 |
A self-locking manually fastened drill chuck includes a ratchet ring, a clamping support, at least one elastic detent and a retaining ring. Said ratchet ring connects with the body of the manually fastened drill chuck, and it is provided...
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WO/2007/118626A1 |
The invention relates to a tool holder with a tool holding fixture, in particular a clamping chuck such as a contracting chuck, a draw-in collect chuck, a hydraulic expanding chuck and a high-precision chuck, and a shank of a tool, in pa...
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WO/2007/115852A1 |
The invention relates to a tool holder for a hand-held drill, especially a hammer drill. Said tool holder comprises an especially one-piece, rotatably driven accommodating cylinder (34) with a recess (60) for a shank part of an insertabl...
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WO/2007/113797A1 |
A chuck and an article are configured such that the article is releasably secured in the chuck. One of the chuck and article is provided with a crest and the other with a trough. When the article is secured to the chuck, the crest enters...
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WO/2007/113420A1 |
The invention relates to a multi-position device for progressively clamping a part (30-43) that has a round or ovalized bore, characterized in that it comprises: a ring (1) able to clamp the part, the ring being equipped with several ext...
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WO/2007/114483A1 |
A spindle head device (10) comprising a spindle (12) and a tool retaining mechanism (16) detachably retaining a tool holder (14) on the spindle. The tool retaining mechanism comprises a tool support member (52) having a receiving recess ...
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WO/2007/110213A1 |
The invention relates to a clamping apparatus for a workpiece or tool (4, 38) rotatable round a rotation axis (2), with a main body (5, 5') which has been arranged coaxially with respect to the rotation axis (2) and which has, at the end...
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WO/2007/111916A2 |
A bushing (50) has an externally threaded portion (52) with a thread pitch P1. A collet body (20) has an internally threaded portion (31) with a thread pitch P2, which is smaller than P1 by a pitch differential, ΔP. To assembly the bush...
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WO/2007/107294A1 |
The aim of the invention is to provide a drilling tool (2) which guarantees a reliable torque transmission between a drilling member (4) and a drilling head (6). For this purpose, a driving web (24) engages in a receiving pocket (36), sa...
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WO/2007/109146A2 |
A workpiece gripping apparatus comprising a base (26), two centering jaws (25) displaceably guided on the base (26) so as to be movable toward and away from one another, and an actuator jaw (27) displaceably guided on both of the centeri...
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WO/2007/104438A1 |
A chuck body (2) for a clamping chuck (1) for clamping a workpiece has a substantially rotationally symmetrically formed basic body (4), provided on which is a receiving opening (5), which is formed as a portion of a cone and is formed f...
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WO/2007/106661A2 |
The present invention provides an improved chuck having an engagement feature (26) for positively locating and securing work engaging jaws (14) on a chuck assembly (10), such as a diaphragm chuck assembly. In another aspect, the improved...
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WO/2007/106662A2 |
A robotic tool changer having a master unit and a tool unit adapted to be coupled together. Movably mounted in the master unit of the robotic tool changer is a piston that is movable between locked and unlocked positions. The piston incl...
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WO/2007/098633A1 |
Disclosed is a universal quick-change holder (1) for one hand-operated screwdriver inserts or bits (B). Said quick-change holder (1) preferably comprises magnetic ejection means (3, 4) in the interior of the bit retainer (2), the ejectio...
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WO/2007/096861A1 |
A cutting tool (10) has a cutting head (12) which is detachably retained in an adaptor (18) of a tool holder (14) . Upon replacement of the cutting head (12) the adaptor (18) remains fixed in the tool holder.
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WO/2007/096188A2 |
The invention relates to a clamping chuck (1) with a simple structure, for which especially rapidly rotating miniature machine-tools with shaft diameters of only a few millimeters can be produced using simple means, in such a way that th...
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WO/2007/093160A1 |
Clamping device (10) comprising jaws (11, 12) which are movable in opposition to one another and on which clamping elements can be arranged, characterized in that the jaws (11, 12) each have a cavity in which at least one drive rod (13, ...
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WO/2007/091021A1 |
The invention provides a chuck (10) and a method of centring an object in a chuck. The chuck (10) comprises two pairs of jaws, wherein each pair of jaws has one jaw arranged in substantially opposing relation relative to the other jaw. T...
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WO/2007/090558A2 |
To permit highly precise machining of a valve seat (26) and a valve guide, the combination tool has an extensible chuck (4) that is in particular hydraulic and is designed to hold a fine lathe for machining the valve guide. Several cutti...
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WO/2007/090952A1 |
The invention relates to a tool chuck for a rotating machine, such as a drill, of the type comprising: a body extending between a front nose part and a rear fixing part, the latter designed to be mounted on a drive spindle of the machine...
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WO2007070449A9 |
An adjustable socket assembly adapted to receive a night vision device, the adjustable socket assembly including a body, a branch, and guide means attached to one of the body or the branch, wherein one of the body or the branch is slidab...
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WO/2007/086084A1 |
A device for the locking of semifinished brake discs (3) subjected to mechanical machining is described, comprising a plurality of centring members (8) provided on a worktable (2) and movable in respective radial directions intersecting ...
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WO/2007/086112A1 |
[PROBLEMS] To provide a shrink-fit tool unit in which the ability to transmit rotation power is increased and the workability when a rotary tool is inserted into a tool holder is improved, the tool holder used for the shrink-fit tool uni...
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WO/2007/078807A1 |
A pneumatic collet assembly (20) has a housing (40), a piston (42), a collet (44), and ball bearings (48) . The piston (42) is disposed within the housing (40). A bore (92) within the piston (42) receives the collet (44). The collet (44)...
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WO/2007/074240A2 |
The invention concerns a locking device comprising a rigid base (2) and a deformable pocket (3) containing a granular material (13). Discharging means (4) are provided for gas exchange between the inside and the outside the deformable po...
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