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| Number | Title | Issue Date |
| 7310880 | Saber saw with an adjusting device for a saber saw guide A motor-driven saber saw includes a housing (4), having a neck (8) which serves as a handle and has a tool opening (6), a guide device (22) for guiding the saber saw (2) on a workpiece and releasably connectable to the housing (... | 12/25/2007 |
| 7195081 | Method and device for boring holes in soil or rock In a method and device for boring or drilling, in particular percussion drilling or rotary percussion drilling, holes in soil or rock, wherein a borehole is formed by a percussive and/or rotary movement carried out by a drill bit (2) mounted on a drill rod as... | 03/27/2007 |
| 6902358 | Power drivable chuck A power drivable chuck 30 includes a body 72 which is formed with a shank-receiving opening 34 having a triangular cross section. A spring 104 is located about a forward section 78 of the body 72, and is captured within a ch... | 06/07/2005 |
| 6786491 | Quick tool coupler adapted to a sliding hammer The present disclosure relates to a quick tool coupler adapted to a sliding hammer allowing quick change of its tools. ... | 09/07/2004 |
| 6612588 | Torque-transmitting arrangement An arrangement for transmitting a torque from a power tool to a working tool and including a shank forming part of the working tool and having following one another, in the operational direction of the working tool, first, second, third, and fourth region... | 09/02/2003 |
| 6604744 | Rapid load drill bit adapter A novel drill bit adapter includes a body portion, a cap portion, a spring-biased catch and a push button actuator. The cap portion includes a transverse aperture and cooperates with the body to define a longitudinal aperture and a catch-receiving cavity.... | 08/12/2003 |
| 6390739 | Power drivable chuck A body 52 of a chuck 30 has an axial opening 34 and is formed with three spaced radial slots 58 which receive three respective locking fingers 68 extending radially inward from a circular band 66. The band 66 is located outside of, and rotatable relative ... | 05/21/2002 |
| 6357974 | Quick release drill chuck A mechanism for engaging a chuck to a chuck body includes a bore within the chuck body having first and second opposed channels in communication therewith. A shaft extending from the chuck is configured for seating in the bore and includes two opposed van... | 03/19/2002 |
| 5597275 | Tool with changeable working tip A tool with changeable working tips has a tool shaft with an attachment end adapted to receive the attachment end of a working tip in freely removable engagement therewith. A sleeve is moved over the engagement of the shaft and working tip to securely hol... | 01/28/1997 |
| 5417527 | Quick change chuck assembly for tool bits A quick change chuck assembly for tool bits uses a bayonet style lock. The assembly is constructed with a bore that receives a multi-faceted shank of a tool bit. Rotating the shank within the bore locks the shank in place, preventing undesired axial extra... | 05/23/1995 |
| 5409322 | Apparatus for holding tools An improved tool holding apparatus includes a collet chuck or a steel ball chuck that clamps a pull bolt, which defines the forward end portion of a tool, by resilient force applied thereto from a coned disc spring. The tool holding apparatus further incl... | 04/25/1995 |
| 5340248 | Mechanical chuck with clamp for pulling tool shank to tightly clamped position A mechanical chuck for clamping the shank of a tool comprises a receiver having a forwardly open, rearwardly tapering socket. A pull rod is mounted for front-to-rear reciprocation in the socket. The pull rod is connectible to the tool shank. A plurality o... | 08/23/1994 |
| 5316323 | Two-part tool holding fixture The tool holding cartridge is male and the second cartridge holding part is female and defines a cylindrical bore with diametrically opposed apertures near the forward face of the bore, the apertures carrying ball bearings, biased, so that a substantial p... | 05/31/1994 |
| 5211693 | Drilling and chipping tool A drilling and chipping tool (1) has a holder (3) detachably connectable on a neck (2) on the tool (1) and the holder (3) includes a cap (4) arranged to fit over the neck (2). The tool (1) has a long direction and the cap (4) has teeth (5, 5a) on an inter... | 05/18/1993 |
| 5174694 | Retractable tool bit having slider type catch mechanism A retractable tool bit assembly utilized in conenction with a robotic gripper type and end-effector. The apparatus includes one or more spring loaded nestable or telescoping tubular sections together with a catch mechanism for capturing and holding the to... | 12/29/1992 |
| 5158407 | Device for the connection of two tool portions of machine tools A tool head can be connected to a tool holder by an open-ended tension ring provided in a peripheral conical recess of the tool holder. The diameter of the tension ring can be reduced by an actuating device acting tangentially with respect to the tension ... | 10/27/1992 |
| 5049013 | Mixer apparatus A mixer for liquids and liquid suspensions has a motor drive and housing which is portable and can be carried from tank to tank and attached to the tank where mixing is carried out. The housing depends from the yoke and contains a quill which is driven by... | 09/17/1991 |
| 5037254 | Tool clamping device A tool clamping device comprises an axial sleeve having a forwardly tapering internal surface. A radially compressible ring is disposed on the internal surface. An axially compressible spring opposes axial movement of the ring while permitting axial rearw... | 08/06/1991 |
| 4997325 | Chuck for axially clamping two machine parts which are releasable from each other In a chuck for axially clamping two machine parts which are releasable from each other, on the first machine part (1) are provided a hollow centring attachment (3), a contact face (6) surrounding the attachment, and an annular groove (8) formed on the ins... | 03/05/1991 |
| 4976575 | Tool holding system for automatic tool changing The invention relates to a tool holding system for automatic tool changing in a machine tool, stamping machine or other such machine, wherein the machine has a spindle which has at its free end a gripping means in the form of a sleeve for a tool which can... | 12/11/1990 |
| 4958965 | Tool for metal cutting A cutter adapted to be rotated about a front-to-rear extending longitudinal axis comprises a front portion having a cutting edge, and a rear portion for mounting a cutter. The rear portion has a conical outer periphery, the shortest radius of which is def... | 09/25/1990 |
| 4909684 | Retention knob for a tool holder and cutting tools employing the same A retention knob for reversibly locking a tool holder to a locking device in which the shaft of the retention knob has a pair of opposed recesses separated by non-recessed portions to thereby provide a significantly stronger locking engagement between the... | 03/20/1990 |
| 4854764 | Coupling device between two elements The invention relates to a releasable coupling between a male element and a female element. The coupling comprises a split clamp ring that is ranged to be received in corresponding annular recesses in the male element and female element, whereby the ring ... | 08/08/1989 |
| 4850772 | Friction-weldable stud A friction-weldable stud is provided. The stud includes an elongate body having a collar or skirt located around the body and extending outwardly therefrom. The collar has a first surface facing in one direction toward one end of the body, with the surfac... | 07/25/1989 |
| 4850759 | Tool for metal cutting The present invention relates to a tool for metal cutting, said tool in working position preferably rotating around its longitudinal center axis, and that the tool comprises a cutting body (10;10a;10b;10c) and a shaft (12;12a;12b;12c), that supports the c... | 07/25/1989 |
| 4804301 | Central drawbar coupling actuating mechanism Central drawbar operated tooling connection system wherein a pair of wedges are positively driven laterally outward and retracted by reciprocation of a central drawbar. Mechanical advantage of a key slot between drawbar and wedges plus mechanical advantag... | 02/14/1989 |
| 4758122 | Tool clamping apparatus A clamping apparatus for clamping the attachment for mounting the tool to the part to which the tool is mounted of the machine tools is disclosed. The attachment for mounting the tool is coaxially provided with the taper extruding shafts which are fitted ... | 07/19/1988 |
| 4723878 | Clamping means for machine tool holders A clamping device for releasably securing a tooling adaptor in a tool clamp block which includes a generally cylindrical member having an eccentric slot formed about the periphery of the member for engaging the tooling adaptor in the cylindrical member wh... | 02/09/1988 |
| 4718799 | Cutting tool comprising a cutting head and a holding shank connected thereto The cutting tool comprises a cutting head and a holding shank and, for transferring the torque introduced on the cutting head during machining, faces are provided in a recess of the bearing surface of the holding shank on which engage the stop faces of th... | 01/12/1988 |
| 4646604 | Machine tool, especially a punch In a machine tool, especially a punch, having a vertically movable upper tool carrier (1) with at least two punching tools (2) located next to each other and a lower tool carrier (3) with at least two punch matrixes (4) located next to each other, wherein... | 03/03/1987 |
| 4632613 | Spindle tool retention and ejection mechanism A mechanism for retaining tools in the spindle of a machine tool and for ejecting the tools for removal from the spindle. The mechanism is adapted to operate with standard cutting tool holders having a retention knob extending rearwardly and axially. The ... | 12/30/1986 |
| 4605348 | Quick release adapter An adapter for a torquing tool includes an elongated body having a bore at at least one end to accommodate a working member such as a drill bit or fastener driver and a coupling means for detachably attaching the body to the tool. The improvement comprise... | 08/12/1986 |
| 4604012 | Tool clamping device for a spindle head A tool clamping device used with a machine tool is provided for clamping a tool on a tool spindle. In a bore of the tool spindle, there is axially movably received a guide bush which is formed with a recess for permitting steel balls to retract toward rad... | 08/05/1986 |
| 4525918 | Two component tool holder, especially for a machine tool or robot A tool, such as a drill bit, cutting tool or any other suitable tool, is d in a two component tool holder. The first component (1) includes a holder sleeve (3) with a conical bore (2). The sleeve (3) is held in a housing (19) carried by a machine tool, r... | 07/02/1985 |
| 4512692 | Tool shaft for a tool of the percussive and rotative type A tool shaft, especially for drills of the percussive type, such as hammer drills, is adapted to be mounted in a tool holder having fixed driving elements, and the shaft is therefore provided with guiding recesses driving recesses and interconnecting tran... | 04/23/1985 |
| 4491443 | Modified quick release adapter An adapter for a torquing tool includes an elongated body having a bore at at least one end to accommodate a working member such as a drill bit or fastener driver and a coupling means for detachably attaching the body to the tool so that at least a portio... | 01/01/1985 |
| 4488778 | Exterior rear-view automobile mirror The fastening plate (5) of the glass support plate (9) attached to the mirror glass (9.9) is inside the exterior rear-view automobile mirror housing (3), which is shell-shaped and open on one side. This fastening plate is adjustable by means of a Cardan j... | 12/18/1984 |
| 4303357 | Quick-change hole saw mandrel The present quick-change mandrel for attaching a hole saw to an electric drill has different sized oblong locking segments at its front end which match the usual oblong openings in the back of different sized hole saws. The hole saw is slid rearward over ... | 12/01/1981 |
| 4050842 | Rotary cutting tool A rotary cutting tool having a cutting element at one end and a cylindrical shank at the other end terminating in a T-shaped mounting tongue member, and a tool support for holding the tool in floating engagement the support having a cylindrical body with ... | 09/27/1977 |
| 4047722 | Hammer drilling devices In a drilling device, especially a hammer drill, a tool is coupled to a tool receiving means by co-operating male and female coupling elements which ensure uniform rotational motion of the tool in relation to the tool receiving means; additional transitio... | 09/13/1977 |
