| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 279060000 |
Obliquely guided reciprocating jaws
| 73 |
| 279076000 |
Side detent
| 35 |
| 279035000 |
Pivoted jaws
| 30 |
| 279000000 |
Resilient split socket
| 23 |
| 279460100 |
Spring biased jaws
| 22 |
| 279020000 |
Fluid-conduit drill holding
| 20 |
| 279000000 |
Self-grasping
| 18 |
| 279102000 |
Friction grip
| 11 |
| 279097000 |
Transverse pin
| 9 |
| 279066000 |
Radially reciprocating jaws
| 7 |
| 279019000 |
Lost motion
| 7 |
| 279430900 |
With means to exclude contaminants; e.g., seal, shield
| 6 |
| 279099000 |
Screw threaded
| 6 |
| 279105100 |
Adjustable length or size | 3 |
| 20120074655 | ADJUSTING DEVICE FOR SHRINK-FIT CHUCK TOOL HOLDER - The invention relates to an adjusting device for axially supporting a shank tool in a shrink-fit chuck tool holder, comprising a leveling section on the side facing the shank tool to level out or at least reduce any changes in position and/or orientation of the shank tool which are due to shrinkage. | 03-29-2012 |
| 20130175769 | COMBINATION TOOL HOLDER - A combination tool holder includes a holder body, at least one tool adapter and a bolt. The holder body defines therein a through hole including an enlarged-diameter segment, a reduced-diameter segment and a tapered segment. A stepped surface is formed between the enlarged-diameter segment and the reduced-diameter segment. The tool adapter defines therein a channel and has a combining end. The combining end has a conical surface configured to be received in the tapered segment. The bolt includes a screw and a nut. The nut is configured to abut against the stepped surface while the screw extends into the tapered segment to engage with the combining end. By screwing the bolt, the conical surface is driven to press against the tapered segment, making the through hole and the channel coaxial. | 07-11-2013 |
| 20160114405 | ELECTRICALLY-ADJUSTABLE TOOL HOLDER - An electrically-adjustable tool holder precisely movable in a straight line within a magnetic field under electrical stimulation includes a handle body, a connecting member, and a driving member. The connecting member has a first end securely coupled to an end of the handle body, a second end opposite to the first end, and defines a through hole passing through the first end and the second end. The driving member includes a magnet securely received in the through hole, and an electrical electric coil movably received in the magnet. The electric coil is configured to be securely coupled to the tool, and moves the tool up or down along the central axis of the handle body. | 04-28-2016 |
| 279044000 |
One movable side | 2 |
| 20110121522 | QUICK CHANGE POWER TOOL CHUCK - An improved quick change power tool chuck is provided which is principally used on a wood working router but could also be used in many other power tool applications. Key features of the quick change chuck include the unique way that it secures the cutting bit from unwanted slippage, the large mechanical advantage thereof and the speed in which a cutting bit can be removed and replaced. The chuck can be aligned and attached to the power tool in the same manner that a standard collet is aligned and attached to the router spindle or to a router or other drive shaft in a number of different ways. | 05-26-2011 |
| 20130093142 | Tool attachment - In a tool attachment, for fastening to an handheld machine tool equipped with a tool holding fixture, having an output shaft and a base body, which forms an inner cavity and on whose outer circumference an axially displaceable locking sleeve is situated, for releasing at least one associated locking element against a spring force of a spring element, which has a clamping ring, in the inner cavity, a anti-rotation locking unit is configured for the rotationally locked fastening of the base body to a fastening unit associated with the handheld machine tool, the anti-rotation locking unit and the fastening unit having complementary geometric forms, which are configured to engage with each other for the detachable rotationally locked fastening of the base body on the fastening unit; and the at least one associated locking element being situated in the vicinity of the anti-rotation locking unit. | 04-18-2013 |
| 279094000 |
Tang offset without socket | 2 |
| 20140084551 | Aerosol Can Mixing Device - An apparatus is provided that is configured for attachment to an aerosol can to permit mixing of contents therein. The apparatus includes a generally flat base portion coupled to a drive shaft orthogonally oriented relative to the base portion, and a securing strap attached to the base portion. The securing strap is configured to engage or grip a cylindrical end portion of an aerosol can to secure the aerosol can to the apparatus, whereby the drive shaft is configured to be mounted within a drill chuck to permit the mixing apparatus to rotate an aerosol can attached thereto for mixing contents within the aerosol can. | 03-27-2014 |
| 20150352508 | Aerosol Can Mixing Device - An apparatus is provided that is configured for attachment to an aerosol can to permit mixing of contents therein. The apparatus includes a generally flat base portion coupled to a drive shaft orthogonally oriented relative to the base portion, and a securing strap attached to the base portion. The securing strap is configured to engage or grip a cylindrical end portion of an aerosol can to secure the aerosol can to the apparatus, whereby the drive shaft is configured to be mounted within a drill chuck to permit the mixing apparatus to rotate an aerosol can attached thereto for mixing contents within the aerosol can. | 12-10-2015 |
| 279016000 |
Self-centering of floating | 2 |
| 20090230635 | LOCATING MEANS - A locating means ( | 09-17-2009 |
| 20120200048 | TOOL CLAMPING SYSTEM AND MACHINE TOOL HAVING A TOOL CLAMPING SYSTEM - A tool clamping system for clamping an insert tool in a machine tool having a housing, in particular an ultrasound-operated machine tool, the insert tool being capable of being placed into a tool mount of the machine tool and clamped there. The tool mount has a clamping element having an operating area that works together with a housing operating area of the housing at least for the clamping of the insert tool, and that, in the operating state of the insert tool, is separated from the housing operating area by a gap. | 08-09-2012 |
| 279089000 |
Shouldered-tang holding | 1 |
| 20160089733 | Tool Clamping Device - A tool clamping device, in particular a saw-tool clamping device, for a portable power tool, includes at least one clamping unit configured to clamp-in a machining tool, which comprises at least one movably mounted release element configured to transfer the clamping unit into a releasing position, at least one clamping element configured to produce a clamping-in force acting on the machining tool, at least in a state of the machining tool in which the machining tool is connected to the clamping unit, and at least one movement-arresting element configured to arrest at least one possibility of movement of the release element in at least one state. The movement-arresting element is fixedly connected to the clamping element. | 03-31-2016 |
| 279105000 |
Molded or cast-in tang | 1 |
| 20150061236 | SOLDERED MACHINING TOOL AND SOLDERED BAR STOCK FOR FORMING THE SOLDERED MACHINING TOOL - A soldered bar stock has a handle blank with a first through hole, and has a head blank having a soldered portion protruding into and soldered in the first through hole. The soldered bar stock is machined to form a soldered machining tool. With the first through hole formed in the handle blank, the head blank can be firmly soldered to the handle blank. When replacing the head blank with a new one, solder in the first through hole can be completely cleaned. Moreover, when using the soldered machining tool, a cooling liquid can be injected into the first through hole to cool down the soldered machining tool. | 03-05-2015 |
| 279014000 |
Multiple alternative | 1 |
| 20100213676 | TOOL SYSTEM - The invention relates to a tool system which includes an exchangeable rotary tool for electric hand-held machine tools, preferably with a drill and/or hammer function, in particular for an electric hammer drill, and an electric drill, in particular a percussion drill. The tool system also includes at least two tool holders that are embodied as tool fittings that are associated with the hand-held machine tools and are different types. The rotary tool has an insertable shaft to be accommodated in the respective tool holder of the hand-held machine tools, the shaft having at least two slaving ribs that are diametrically opposed and that extend along the shaft for rotational engagement. The tool fitting of a first type is embodied as a positive fit fitting and another tool fitting of the second type as a multi-jaw clamping chuck. The slaving ribs have a width and a height such that, in the clamped state, they are at a lateral distance from the clamping jaws of the multi jaw clamping chuck. | 08-26-2010 |
| 279032000 |
Conical clamp threaded in socket | 1 |
| 20100289228 | Tool Holding Fixture - An arrangement for holding a tool fitting for driven tools has a spindle with a forward directed surface and a bore which intersects the forward directed surface and which, starting from the forward directed surface, extends rearwardly in order to receive a shaft of the tool fitting as well as with a device for locking the tool fitting with the spindle. Inner and an outer locking elements of the arrangement are engage a bayonet coupling and a manacle ring is engaged with the outside of the spindle. The manacle ring also acts directly on the outer locking element and the outer locking element is formed by a projecting element which engages in a blind stop groove in the inner locking element. The stop groove extends first axially and then subsequently radially in a circumferential surface of the tool fitting starting from an end face of the tool fitting. | 11-18-2010 |
| 279033000 |
Transversely oscillating jaws | 1 |
| 20130154203 | DEVICE FOR TREATING SURFACES OF WAFER-SHAPED ARTICLES AND GRIPPING PIN FOR USE IN THE DEVICE - A device for processing wafer-shaped articles comprises a rotary chuck having a series of pins adapted to hold a wafer shaped article on the rotary chuck. Each of the pins comprises a cylindrical body and a projecting gripping portion formed integrally therewith. The cylindrical body and gripping portion are made from a ceramic material. The gripping portion comprises cylindrical surfaces having a common generatrix with surfaces of the cylindrical body. | 06-20-2013 |
| 279095000 |
Bottomless | 1 |
| 20160089726 | DEVICE FOR CAPTURING, CENTRING, GRIPPING AND/OR SECURING OBJECTS | 03-31-2016 |
| 279093000 |
Tang offset within socket | 1 |
| 20150321264 | TOOL HOLDING STRUCTURE - Provided is a tool holding structure capable of effectively preventing a cutting tool from coming off a chuck portion. An outer fitting portion A is formed in an outer face of a shank portion | 11-12-2015 |
| Entries |
| Document | Title | Date |
|---|
| 20090072500 | BLADE CLAMP MECHANISM - A cutting tool clamp mechanism for a power tool includes a housing supported by a spindle, the spindle being configured to receive and drive a cutting tool along a longitudinal axis of the spindle. A clamping system is supported by the housing and includes an engaging portion movable relative to the spindle, the clamping system having an engaged condition, in which the engaging portion is engageable with the cutting tool to secure the cutting tool in the spindle, and a released condition, in which the engaging portion is disengageable with the cutting tool. A biasing member is positioned between the housing and the clamping system, and operable to bias the clamping system to the engaged condition. When the cutting tool is removed from the spindle, the clamping system is held in the released condition, and upon insertion of the cutting tool into the housing, the clamping system moves from the released condition to the engaged condition. | 03-19-2009 |
| 20100270756 | Rotary cutting tool - A chuck for clamping an article has a receiving portion including a receiving bore having a longitudinal axis L, and a radially inwardly facing contoured clamping and receiving inner surface. A clamping sleeve is accommodated in the receiving bore and is rotatable between a releasing position and a securing position. The contoured clamping and receiving surface has one or more clamping segments, each clamping segment having a ramp between a trough and a crest, a second ramp between the crest and a depression, and a third ramp between the depression and the succeeding stop ridge. Rotating the clamping sleeve within the receiving bore causes one or more rollers associated with each clamping segment to cooperate with the contoured clamping surface to effect the releasing and the securing of the article. | 10-28-2010 |
| 20100301568 | TOOL MOUNTING DEVICE - The tool mounting device according to the invention comprises a first and second coupling device, wherein the first coupling device comprises at least one receptacle, the second coupling device comprises at least one receptacle pin, and the first or second coupling device comprises a tool suspension. The receptacle comprises a recess and an opening, wherein the opening extends from the first end in the direction of the second end over a length and the length of the opening is smaller than a length of the recess and a width of the opening is greater than or equal to a width of the receptacle pin. | 12-02-2010 |
| 20110233877 | Fastening Flange in a Power Tool - A fastening flange in a power tool for accommodating a tool is provided with a noncircular cross-sectional geometry which has points which rise radially and which are designed in the shape of a circle segment. A connecting line between the centers of adjacent points which are in the shape of a circle segment intersects the outer contour, wherein a tangent to the point at the transition to the connecting contour section encloses an angle with the connecting line. An associated power tool assembly is also disclosed. | 09-29-2011 |
| 20110248455 | SHRINK FIT CHUCK HAVING EXTENSION GROOVES - The invention relates to a tool holder comprising a tool receptacle in the form of a sleeve part, which comprises a tool receptacle opening comprising a mating surface which is concentric with the axis of rotation of the tool holder and on which the shaft of a tool inserted in accordance with the intended purpose thereof into the tool receptacle opening of the sleeve part can be fixed in a press fit, wherein the sleeve part comprises a number of circumferential recesses from the side of the mating surface, wherein the recesses divide the mating surface into several mating surface segments which are comparable to each other and which are substantially inherently rigid in the axial direction, wherein the radial depth of the recesses is selected such that the press fit releases substantially uniformly on all mating surface segments under the influence of heat applied over the outer circumference of the sleeve part. | 10-13-2011 |
| 20120146298 | EASILY-POSITIONED CUTTER CHUCK - An easily-positioned cutter chuck has a through hole formed through the cutter chuck. The through hole has an end and a reamed part formed at the end of the through hole and reaming outwardly at two gradients. Because the reamed part enlarges an area ratio of an opening of the through hole to an end surface of the cutter chuck, a protrusion of a positioning apparatus can be easily aimed at and inserted into the reamed part. Because the cutter chuck can be held and positioned steadily by the positioning apparatus, tolerances of the cutter chuck can be well controlled when the outer surface of the cutter chuck is processed for polishing. | 06-14-2012 |
| 20120161404 | WORKHOLDING APPARATUS FOR MACHINE TOOL - The present invention is directed to an arbor chuck workholding assembly comprising an arbor chuck ( | 06-28-2012 |
| 20130134684 | ELECTRIC SCREWDRIVER - An electric screwdriver is disclosed. The screwdriver has a spindle, a locking body, a radial stop, a strap, and a spring. The spindle defines a receiving area and an oblong hole which is open into the receiving area in a radial direction. The locking body is disposed in the oblong hole, where the locking body is protrudable into the receiving area. The radial stop is engageable with the locking body where, when the radial stop engages with the locking body, the locking body protrudes into the receiving area. A first end of the strap engages behind the locking body on a drive end. The spring is disposed between a second end of the strap and the radial stop. | 05-30-2013 |
| 20130154202 | Handheld machine tool having a tool holding fixture - In a handheld machine tool having a tool holding fixture, which has a multi-faced inner receptacle and a multi-faced outer receptacle, the multi-faced inner receptacle being configured for the connection to a first tool insert, which is able to be locked in the multi-faced inner receptacle using a locking device assigned to the tool holding fixture, and the multi-faced outer receptacle being configured for the connection to a second tool insert, which has an inner multi-faced coupling that is able to be slid onto the multi-faced outer receptacle. The locking device has an actuating element, which is rotatable about a longitudinal axis of the tool holding fixture for unlocking the first tool insert from a specified locking position into a specified unlocking position. | 06-20-2013 |
| 20130300071 | CHUCK - The invention relates to tool mount with a base body and a receptacle that is joined with the base body for torque transmission and anchored in the base body in an axially movable manner with a spring preload. The base body exhibits a shank section with a recess that is open on the machine tool side, and a bushing section that axially lengthens the shank section, with a guide borehole that is open on the tool side and separated from the recess of the shank section by a radial dividing wall. The receptacle exhibits a guide section that is guided in the guide borehole of the bushing section in an axially movable manner. The receptacle is anchored by means of an anchor that passes through an axial opening in the radial dividing wall and can be actuated for setting the spring preload via the recess of the base body. | 11-14-2013 |
| 20130320632 | Quick Change Assembly And Manufacturing Thereof - A rotary tool for coupling with a rotary tool accessory includes a motor and a power shaft operably coupled with the motor. A collet is operably coupled to the power shaft, the collet including a longitudinally extending inner surface portion. A nickel based bonding material is affixed to the longitudinally extending inner surface portion. A plurality of abrasive particles extend outwardly of the bonding material on the longitudinally extending inner surface portion, wherein generally between about 30 percent and about 55 percent of each abrasive particle of the plurality of abrasive particles extends outwardly of the nickel based bonding material. | 12-05-2013 |
| 20140159322 | TAP HOLDER - Provided is a tap holder configured so that compression-side elastic characteristics and tension-side elastic characteristics are different from each other with utilization of an elastic member for absorbing synchronization error in rotation and feeding of a spindle of a machine tool. The tap holder includes a chuck | 06-12-2014 |
| 20140175761 | SLEEVE FOR HEATING A TOOLHOLDER - A sleeve for heating a toolholder is magnetizable and has a sleeved space, at least one slit, and an abutting surface. The sleeved space is formed along an axial direction of the sleeve. The at least one slit is formed on the sleeve. The abutting surface is formed inside the sleeve. The sleeve is mounted around a toolholder by the sleeved space, and the abutting surface abuts the cutting tool. The sleeve can be heated by electromagnetic force, especially for steel material containing high chromium, and heats the toolholder by heat conduction. As a result, the toolholder can be heated easily by the sleeve, and can be mounted tightly and firmly around a cutting tool. | 06-26-2014 |
| 20140291941 | UPRIGHT CHUCK ASSEMBLY - An upright chuck assembly includes a base having two elongate notches respectively defined in two sides thereof. A rotary device is connected to the base and includes a horizontal gear set and a vertical gear set which are engaged with the horizontal gear set in the body of the rotary device. An insertion extends from the horizontal gear set and is inserted into one of the adjustable members. The vertical gear set has a connection portion on the top thereof, and a T-wrench is mounted to the connection portion. The rotary device is cooperated with a vertical machine center. | 10-02-2014 |
| 20140367928 | HANDHELD MACHINE TOOL - A handheld machine tool having an output shaft on which a tool holding fixture is developed, which has a multi-faced inner receptacle and a multi-faced outer receptacle, the multi-faced inner receptacle to connect to a tool insert, which can be locked using a locking device assigned to the tool holding fixture; the locking device having a locking sleeve which is displaceable for unlocking the tool insert against a spring force applied by an associated spring element in an axial direction facing away from the handheld machine tool, from a locking to an unlocking position, the locking sleeve has an operating element and a holding element connected to each other via a threaded connection, the holding element driven by the associated spring element in the direction of the locking position of the locking sleeve and the operating element enables displacement of the locking sleeve from the locking to the unlocking position. | 12-18-2014 |
