| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 279000000 | Resilient split socket | 23 |
| 279042000 | Threaded cam sleeve | 5 |
| 20090278324 | TOOL CHUCKING APPARATUS - A tool chucking apparatus to hold a machining cutter or tool includes a holding member and a fastening member that are coupled together to form a grip space inside to hold a collet. The collet has a plurality of pawl structures with a plurality of elastic slots formed thereon. When the holding member and the fastening member are coupled, the collet has one end tightly held in the holding member and the other end tightly held in the fastening member. Hence the two ends of the collet contract the elastic slots to tightly grip the cutter or tool. As a result, machining precision improves, safety enhances and the life span of the cutter or tool increases. | 11-12-2009 |
| 20140367929 | TOOL HOLDER, COLLET AND METHOD TO CLAMP A TOOL IN A TOOL HOLDER - A tool holder includes a collet clamped with a tool, a collet chuck connected to a power tool, and a clamping nut connecting the collet to the collet chuck. At least two groove-shaped material recesses are created in a body of the collet. The at least two recesses extend in a lengthwise direction of the collet body, and starting from an open circumferential surface of the collet body, extend in a radial direction up to a limit stop. | 12-18-2014 |
| 20140374998 | Bit retaining system for rotary tool - A bit retaining system for a rotary tool or device such as a router is disclosed. The bit retaining system may include a collet assembly and a control assembly. The collet assembly may include a spindle, a collet adapted to receive the bit, and a collet nut. The collet assembly may further include a collet gear mounted on the collet nut and/or a spindle gear mounted on the spindle. The control assembly selectively engages the collet assembly to drive the collet nut and/or secure the spindle in a fixed position, preventing its rotation. In operation, a hand tool is utilized to engage the control assembly. This configuration enables a user to capture and release the rotary tool bit using one hand. | 12-25-2014 |
| 20160114407 | TOOL CLAMPING DEVICE AND COLLET THEREOF - A tool clamping device for holding a cutting tool includes a holder having a holding cavity, a lock nut engaged with the holder, and a collet. The collet includes a collet body and a nut mounting part separated from the collet body by an annular concave part. The collet is tapered and has an axle hole in a central portion thereof, and the axle hole running through the collet body, the annular concave part, and the nut mounting part. The collet further includes a plurality of slots extending along an axial direction of the collet. The collet has an inner wall with a plurality of grooves defined therein. A collet is also provided. | 04-28-2016 |
| 20180021745 | COLLET LOCKING SHAFT ASSEMBLY | 01-25-2018 |
| 279043000 | Reciprocating cam sleeve | 6 |
| 20090152823 | Collet tool holder having adjustable axis - A collet assembly for use on a support device comprising a rotatable base section, a support structure secured to the support device, with the support structure supporting the base section on said support device. The base section has a central axis, and the base section is rotatable with respect to the support member and the central axis to a plurality of positions. The collet assembly includes a locking device for locking the base section at one of the plurality of positions. | 06-18-2009 |
| 20110260415 | Quick and Reliable Tool - A tool includes a chuck connected to a handle. The chuck includes a mandrel including a non-circular cavity defined therein, a slit in communication with the non-circular cavity, a first bore in communication with the non-circular cavity, and a second bore in communication with the slit. A bit with a non-circular profile can be inserted in the non-circular cavity. A flat bit can be inserted in the slit. A ball is located in the first bore. A pin is located in the second bore. A movable sleeve is movably rotationally located around the mandrel and formed with a thread. A rotary sleeve is rotationally located around the mandrel and formed with a thread engaged with the thread of the movable sleeve. By rotating the rotary sleeve, the movable sleeve pushes the ball into the non-circular cavity and the pin into the slit. | 10-27-2011 |
| 20130320633 | Collet Retention Mechanism for a Rotary Tool - An accessory tool retention assembly for a rotary tool includes a collet having a body defining a collet axis and a plurality of flexible segments that extend longitudinal along the body generally parallel to the collet axis. Each flexible segment includes a curved end portion that curves radially outwardly from the collet body. A collet chuck is configured to be coupled to an output shaft of a motor of a rotary tool. The collet chuck defines a collet receiving passage configured to slidably receive the collet. A detent structure is positioned to block the collet from exiting the collet receiving passage while the flexible segments of the collet are in a relaxed state. | 12-05-2013 |
| 20130320634 | Collet Positioning Mechanism for a Rotary Tool - An accessory tool retention assembly for a rotary tool includes a collet having a body defining a collet axis and having a plurality of flexible segments that extend longitudinal along the body generally parallel to the collet axis, each flexible segment including a curved end portion that curves radially outwardly from the collet body. A collet chuck is configured to be coupled to an output shaft of a motor of a rotary tool. The collet chuck defines a collet receiving passage configured to slidably receive the collet. A front wall portion on the collet chuck defines an insertion opening aligned with the passage of the collet chuck. The front wall portion defines a plurality of recesses sized and shaped complementary to the curved end portions of the collet. The plurality of recesses is positioned to receive the curved end portions when the collet is inserted into the collet receiving passage. | 12-05-2013 |
| 20130320635 | Release Mechanism for a Rotary Tool - A rotary tool includes a housing defining at least one slot and a motor including an output shaft supported within the housing. A collet chuck is coupled to the output shaft that is configured to slidably receive a collet. The collet chuck includes at least one lever arm configured to apply a clamping force to the collet. A wedge is configured to move into and out of engagement with the at least one lever arm to generate the clamping force. A bearing is attached to the wedge, and a yoke member is attached to the bearing. The yoke member includes at least one lever structure that projects outwardly from the yoke member through the slot in the housing. | 12-05-2013 |
| 20160067788 | Adjustable Tool Holder - An adjustable tool holder provides multiple degrees of adjustment to permit improved alignment of a cutting tool with the rotational axis of a rotary power tool. A shank has a proximal end for attachment to a tool mount and a distal end including a mounting flange and a tool shaft receiver. The tool shaft receiver includes a first plurality of flats. The mounting flange includes a second plurality of threaded apertures. An adapter head engages the mounting flange by attachment to the second plurality of threaded apertures. The adapter head has a third plurality of threaded apertures and corresponding adjustment to engage the corresponding first plurality of flats. The adapter head also has a fourth plurality of apertures to receive lock screws which engage the corresponding second plurality of threaded apertures of the mounting flange. | 03-10-2016 |
| 279430100 | Unitary | 12 |
| 20120139193 | STUD-HOLDING DEVICE FOR STUDS HAVING LARGE FLANGE HEADS - The present invention relates to a holding device for studs having a radially projecting flange section. The holding device comprises a collet component having a clamping section and a hollow insertion section. The clamping section is formed by clamping surfaces which are provided at the free ends of a plurality of clamping arms designed to exert a radially inwardly directed clamping force for clamping the stud in place. A securing device is arranged on the insertion section and is designed in such a way that a flange section of a stud directed past the securing device is mounted in a securing position between the securing device and the clamping section. The clamping arms are of the same length and at least two of the clamping arms each have, as a securing device, a radially inwardly directed securing lug. | 06-07-2012 |
| 20140346742 | ADJUSTABLE CLAMPING DEVICE - A device for clamping a collet in a machine tool having a rotatable spindle and a spindle nose thereon includes a mounting portion fastenable to the spindle and a clamping portion extending from the mounting portion. A bore is defined through the clamping portion and the mounting portion. At least one moveable ring is located within a portion of the bore defined by the clamping portion, the moveable ring being configured to receive the collet or any other appropriate clamping tool. At least one screw is mounted in the clamping portion and can be tightened against the moveable ring. The collet or clamping tool is attachable to the spindle nose of the machine tool and is drawn into the bore of the clamping portion. A method of clamping a collet includes providing the clamping device, attaching the device to the machine tool, inserting the collet into the clamping device, and attaching the collet to the spindle nose. | 11-27-2014 |
| 20150021864 | CLAMPING DEVICE - A clamping device for clamping a work piece includes a chuck, a collet positioned inside the chuck, and a bayonet fastener operatively arranged so that the collet is fastenable in the chuck and is removable from the chuck solely by manual operation of the bayonet fastener without the use of auxiliary tools. | 01-22-2015 |
| 20150123356 | BALANCING ADAPTER - A balancing adapter for clamping a rotor to a machine part of balancing machine that rotates about an axis of rotation. The balancing adapter has a main body having a central accommodating opening for the rotor, a collet chuck having clamping elements for detachably retaining the rotor in the accommodating opening, and an actuating device for moving the clamping elements between a clamping position and a releasing position. In order to enable positionally accurate and reproducible accommodation and retention, the clamping elements of the collet chuck are supported on a guiding surface on the main body. | 05-07-2015 |
| 20150321265 | COLLET - Provided is a collet in which a rod made of a damping alloy is fitted and embedded in a long hole of a cylinder-shaped body portion having a central axis, which is provided by drilling in a direction parallel to the central axis, from an end surface on an insertion opening side through which a member to be fixed is inserted. | 11-12-2015 |
| 20160107243 | Locking Mechanism for a Collet Assembly - A locking mechanism includes a biasing ring having a first area having a first radial thickness and a first radially inward facing surface and a second area having a second radial thickness and a second radially inward facing surface. The locking mechanism includes an inner ring having an activation tab extending therefrom and defining a radially outward facing surface. The biasing ring is positioned around the inner ring thereby defining a cavity between the biasing ring and the inner ring. The locking mechanism includes a detent member positioned in the cavity and selectively engageable with at least one of the first radially inward facing surface, the second inwardly facing surface and the radially outward facing surface. | 04-21-2016 |
| 20160113669 | BLADE RETENTION MECHANISM FOR SURGICAL INSTRUMENT - A surgical apparatus which includes a handpiece having a passage. The retention assembly includes a pair of radially movable buttons, aligned in axially extending passages in communication with the passage and can engage with and cause rotational movement of a collet member assembly rotatably supported in the passage. The collet assembly includes rolling lock members which can be moved by the collet member from a lock position, in which the lock members are forced by the wall of the passage to extend inwardly of the collet member and an unlocked position, in which the lock members are aligned with a recess in the wall of the passage and are not forced to extend inwardly of the collet member. The surgical apparatus may find particular use with irrigation fluid, suction, and powering of a surgical tool. The passage may include a cutting blade retention assembly integrated in the passage. | 04-28-2016 |
| 279430200 | Split at one end only | 1 |
| 20110057398 | LOW SWAGE LOAD FASTENING SYSTEM AND METHOD - A collet for a fastener installation tool having a pull section with a fastener engagement end and a plurality of teeth. The teeth include a first tooth with a first inner diameter, and each of the remainder of teeth includes a second inner diameter, the first inner diameter being greater than the second inner diameter. The pull section includes a protrusion extending from the fastener engagement end, thereby extending the length of the pull section. The pull section includes a cross-sectional thickness, wherein the collet is adapted to engage a pin member having a locking portion with a first diameter and a pull portion with a smaller second diameter. An increase in the difference between the first diameter of the locking portion and the second diameter of the pull portion of the pin member allows for a corresponding increase in the cross-sectional thickness of the collet, thereby extending the fatigue life of the tool. | 03-10-2011 |
| 279430500 | Split end to end | 1 |
| 20140319785 | Tool Holder with Tensioning Design - A tool holder with tensioning design includes a body and a tensioning device. The body is a hollow cylinder with a peripheral wall and a tool inserting hole, around the peripheral wall is formed an annular slot, the peripheral wall is further provided with a gap which extends along an axial direction of the body and in communication with the annular slot, the body is provided with two assembling portions at two sides of the gap. The tensioning device is disposed at the two assembling portions to tighten or loosen the two assembling portions. The annular slot and the gap allows for micro deformation of the two assembling portions. The use of the tool holder of the present invention is not restricted by the configuration of the tool to be held. | 10-30-2014 |
| 279430600 | With jaw pads or insert | 3 |
| 20150014947 | COLLET ADAPTOR - A collet adaptor ( | 01-15-2015 |
| 20150091259 | TOOL HOLDER - A tool holder includes a collet configured to be clamped to the shank of a tool and a pull-out protection element configured to secure the tool against being pulled out of the collet. The pull-out protection further includes a protection element such that pull-out forces acting on the tool are transmitted to the collet. The protection element is mounted so as to be moveable relative to the collet and has a wedge-shaped configuration as well as force-transmission surface. When the protection element is in a radially inner engaged position with the tool, the protection element is configured to be clamped to the cool and the collet so as to be self locking. | 04-02-2015 |
| 20160121407 | INNER SLEEVE FOR TAPER COLLET AND CUTTING TOOL HOLDER - The present invention relates to an inner sleeve for a taper collet containing a cylindrical part containing a damping alloy having a slit provided thereon, and to a cutting tool holder containing a collet chuck body, a taper collet, and the inner sleeve for a taper collet | 05-05-2016 |
