| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 279076000 | Side detent | 35 |
| 20090218774 | SAFE AND QUICK RELEASE DEVICE FOR A TOOL ADAPTER - A safe and quick release device for a tool adapter includes a main body and a combination head. The main body has its front end axially bored with a combination groove with an open end. The combination groove has its opposite sides respectively bored with at least one position-limiting hole having its opposite ends respectively and annularly formed with a first position-limiting portion and a second position-limiting portion. A spherical position-limiting member is slidably disposed in the position-limiting hole and restrictedly positioned therein by the first and the second position-limiting portion. Thus, the position-limiting member is ready made, needless to be especially processed, can easily be in stalled for facilitating assembly and disassembly of the combination head, reducing processing cost. | 09-03-2009 |
| 20090283975 | Junction Between Two Components of a Rotating Tool System - The invention relates to a junction ( | 11-19-2009 |
| 20100127465 | Shank Attachment Device - A shank attachment device attaches a core drill to a rotating portion of a drill device and includes an arbor and a shank. The arbor is detachably attachable to the rotating portion. The arbor and the shank are detachably attachable to each other. The shank is detachably attachable to the core drill. A stopper engages a groove of the shank to stop a movement of the shank in an axial direction away from the arbor. A rotational torque of the arbor can be transmitted to the shank by engaging a first engaging portion of the arbor with a first engaged portion of the shank. The shank contacts the arbor to stop the movement of the shank in the axial direction toward the arbor. | 05-27-2010 |
| 20100259017 | IRREGULAR-SHANK TOOLS AND DRIVERS THEREFOR - A tool has a distal operative portion and a proximal shank with a mounting portion, for mounting the tool in a holder. A substantial portion of the mounting portion has a cross-sectional shape with at least one and fewer than six 60-degree segments thereof having segment ends joined by a flat surface. The holder has a distal axial aperture or mounting hole for receiving the tool, the aperture having a cross-sectional shape which has 60-degree segments thereof having segment ends joined by a flat surface, but no more such flat surface segments than those corresponding to flat surface segments of the tool. The holder further has a ball-detent mechanism or other locking mechanism for engaging the mounting portion of the tool. | 10-14-2010 |
| 20110121523 | TOOLHOLDER SECONDARY RETENTION SYSTEM - A toolholder support member for retaining the shank of a toolholder has a bore to accept the toolholder shank. A retention member extends through the bore wall to engage a perforation extending through the shank or indentation within the shank, thereby retaining the shank within the receiving bore. The retention member is biased to provide resistance for insertion or extraction of the shank within the receiving bore. Furthermore, the retention bore is angled relative to the longitudinal axis of the receiving bore so that the force required to insert the toolholder within the receiving bore is minimized, while the force required to extract the toolholder from the receiving bore is maximized. | 05-26-2011 |
| 20110233878 | Hand-held power tool - In a hand-held power tool having a tool holder equipped with a multisided internal socket for connecting to a first insert bit and with a multisided external socket for connecting to a second insert bit, the tool holder being associated with a locking device for locking the first insert bit in the multisided internal socket, the locking device has an actuating element that it is possible to slide from a locking position into an unlocking position in an axial direction oriented away from the first insert tool in order to unlock the first insert tool. | 09-29-2011 |
| 20120200050 | JUNCTION BETWEEN TWO COMPONENTS OF A ROTATING TOOL SYSTEM - A junction between two components of a tool system, that rotates about an axis of rotation, includes a conical seat, on the first component, coaxial to the axis of rotation and which is defined by an annular front face. The second component carries a coupling having a conical surface complementary to the conical seat and an annular end face resting against the front face. A tie bolt axially projects beyond the free end of the coupling pin and engages, in a cavity adjacent to the seat. The junction also has tensioning elements that are actuated from the exterior for mutually bracing the components, which are radially guided in the first component, and which act upon the tie bolt and are functionally linked with joint actuating means for adjustment between detached and tensioned positions. The tensioning elements include ejection portions that can be fitted with a rotatably received rolling element. | 08-09-2012 |
| 20120313333 | TOOL RECEPTACLE - A tool receptacle is disclosed. The tool receptacle has a spindle which has a receiving area for receiving a tool and an elongated hole which is open into the receiving area in a radial direction. A barrier element disposed in the elongated hole projects into the receiving area and is movable in the elongated hole. A slider is used for sliding the barrier element to an output-side end of the elongated hole, where the slider is subject to the application of force by a first spring against an insertion direction. A radial limit stop forces the barrier element in the radial direction to engage in the receiving area. The radial limit stop is displaceable to enable a radial movement of the barrier element out of engagement with the receiving area. A second spring applies a spring force to the radial limit stop against the insertion direction. | 12-13-2012 |
| 20130127123 | ROTATION TOOL INSTALLATION AND REMOVAL DEVICE AND SAID ROTATION TOOL - An object is to provide a rotary tool and the like, in which an occurrence of plastic deformation is suppressed even when a great rotational torque is exerted. A rotary tool B includes a cutting part | 05-23-2013 |
| 20130193653 | Tool-Less Blade Clamping Apparatus for a Reciprocating Tool - Several preferred embodiments are disclosed for a tool-less blade clamping apparatus for a reciprocating tool of the type which has a reciprocating plunger which has a tool attachment receiving slot for receiving a tool attachment of the type that has a shank portion. The clamping apparatus has an unclamped position and a clamped position. In the unclamped position, a tool attachment can be easily inserted and when it is in its clamped position, the tool attachment is securely retained. The preferred embodiments have at least one spring biasing the apparatus toward the clamped position, a releasable retaining mechanism for holding the apparatus in its unclamped position after being placed in that position. When the blade shank portion is inserted into the slot a predetermined distance, the shoulders of the shank portion release the retaining mechanism to move it to its clamped position. When a blade is to be removed, the clamping apparatus needs only to be moved to its unclamped position by manually rotating the outer sleeve or collar, and the blade is normally ejected from the mechanism by contact with the blade shoulders as it reaches its unclamped position. | 08-01-2013 |
| 279077000 | Pivoted or rotary | 6 |
| 20100219594 | QUICK CHANGE TOOL BIT HOLDER - The quick change tool bit holder comprises a bore for receiving a bit. A retaining tooth, or plurality of teeth, is movable into engagement with the bit when the bit is inserted into the bore to retain the bit in the bore. An ejector ejects the bit from the bore when the retaining tooth is moved out of engagement with the bit. The ejector may comprise a spring that is compressed when the bit is inserted in the bore and a push button is biased by the spring into engagement with the bit. A sleeve forces the retaining tooth into engagement with the bit when said sleeve is in the locking position where the tooth moves at an angle relative to a longitudinal axis into contact with the bit. A method of operating the quick change tool bit holder is also disclosed. | 09-02-2010 |
| 20120074654 | TOOL HAVING A QUICK RELEASE DEVICE - A tool includes a body having an insert groove formed in and end surface for insertion of the processing member thereinto, a pressing block disposed within the body and abutting against an inclined surface of the body for pressing against the processing member, a controlling member connected pivotally to the body and rotatable about a pivot axis, and a connecting member connected fixedly to the pressing block and connected pivotally to the controlling member, in such a manner to allow the connecting member and the pressing block to rotate about a connecting axis. The controlling member is operable to rotate about the pivot axis to thereby rotate the pressing block about the connecting axis between a first position whereat the processing member is locked in the insert groove, and second position whereat removal of the processing member from the insert groove is allowed. | 03-29-2012 |
| 279078000 | Sleeved | 4 |
| 20080238000 | TOOL WITH REPLACEABLE TIP - A tool with a replaceable tip includes a tool body including a tip holding portion, a tool tip having a shank portion adapted to be disposed proximate the tip holding portion comprising a wall defining an axial opening, the wall having at least one radial opening, at least one locking element being disposed in the radial opening, and, as a clamping ring is turned about the longitudinal axis of the tool body, a locking element contacting surface of the clamping ring contacts the locking element and urges it through the radial opening and into the recess in the tool tip. A method of retaining a tool tip is also disclosed. | 10-02-2008 |
| 20090273146 | Clamping apparatus for a reciprocating tool - Embodiments are disclosed for a tool-less clamping apparatus for a reciprocating tool having a reciprocating spindle having a center axis and at least one radially oriented aperture and a receiving slot at its forward end for receiving a tool accessory, the apparatus having an unclamped position and a clamped position, and comprising a hollow generally cylindrical sleeve secured to the spindle, a hollow generally cylindrical collar configured to fit on the sleeve and being rotatable relative to the spindle and the sleeve, the collar having an inner cam surface that increases in radius from the axis through a first predetermined circumferential arc in a first direction, a spring operatively connected to provide a biasing force to the collar toward its clamped position, and a detent pin positioned in the spindle aperture and configured to engage a hole in the tool accessory and thereby firmly hold the tool accessory in the apparatus when urged into contact with the tool accessory. | 11-05-2009 |
| 20130087981 | TOOL BIT ASSEMBLY FOR QUICKLY ALTERNATING BITS - A hand tool with bit release device includes a connecting shaft, a block, a positioning bead and a cover. When the user wants to insert a tool bit into the connecting shaft, the user pushes the tool bit into the connecting shaft directly and the positioning bead engages with the tool bit firmly. When the user wants to release the tool bit from the connecting shaft, the user moves the cover axially relative to the connecting shaft and the positioning bead disengages with the tool bit so that the tool bit is released from the connecting shaft. | 04-11-2013 |
| 20150123357 | QUICK-ACTION COUPLING - The present application discloses a quick-action coupling ( | 05-07-2015 |
| 279079000 | Spring | 2 |
| 20110101629 | Automatic Tool-Bit Holder - A tool-bit holder has a hub, wherein the hub has a longitudinally extending axial bore for receiving a tool-bit therein, a detent ball radially projecting into the bore to selectively engage the tool-bit, and a circumferential ramp that is longitudinally moveable over the detent ball to cause radial movement thereof. A longitudinally moveable member extends through a slot in the hub and radially into the bore. The circumferential ramp is moveable as a function of longitudinal movement of the moveable member relative to the hub. | 05-05-2011 |
| 279080000 | Sleeved | 1 |
| 20100270759 | Tool bit holder assembly - A bit holder assembly includes a socket with a sleeve movably mounted thereto and two springs are located between the socket and the sleeve. The two springs have two respective end sections which are engaged with two inclined slots defined in the wall of the socket. The two end sections protrude into ⅕ of the inner diameter of the socket. An inner spring is located in the socket. The axial height of the first slot is larger than or equal to the axial height of the notches of the bit, and the axial height of the second slot is larger than or equal to an axial height of the annular groove of the bit. An angle between the axis of the socket and the first and second slots is smaller than 60 degrees. | 10-28-2010 |
| 279081000 | Rotary cam sleeve | 5 |
| 20090066040 | Saw gripping device for cutting machine - A saw gripping device for a cutting machine includes a main body having a lug formed on an external sidewall thereof; a control member slidably sleeved onto the main body and having an inclined annular convexity formed on an internal sidewall thereof and a stopping portion extending slantwise from an end thereof toward the other end thereof; and a spring having two ends fixed to the main body and the control member respectively to be located therebetween for keeping the inclined annular convexity lying against a stopper slidably inserted into the main body and to keep the stopping portion lying against the lug. In light of this, the control member can be prevented from incorrect action during the reciprocating motion of the cutting machine. In addition, where the stopping portion lies against the lug is variable subject to the thickness of the cutting saw. | 03-12-2009 |
| 20110024998 | QUICK RELEASE DEVICE FOR SLEEVE ASSEMBLY - A sleeve assembly includes a sleeve having a hexagonal hole and a rectangular hole in two ends thereof and a positioning hole is defined through a wall of the sleeve and communicates with the hexagonal hole. A control member is rotatably mounted to the sleeve and a bead is located between the control member and the sleeve. The bead is movably engaged with the positioning hole. The control member includes multiple first reception portions and second reception portions defined in an inner periphery thereof. The bead is completely received in one of the first reception portions or partially received in one of the second reception portions by rotating the control member. When the bead is completely received in one of the first reception portions, the object in the sleeve drops off from the sleeve. | 02-03-2011 |
| 20110074122 | TOOL-LESS BLADE CLAMPING APPARATUS FOR A RECIPROCATING TOOL - Several preferred embodiments are disclosed for a tool-less blade clamping apparatus for a reciprocating tool of the type which has a reciprocating plunger which has a tool attachment receiving slot for receiving a tool attachment of the type that has a shank portion. The clamping apparatus has an unclamped position and a clamped position. In the unclamped position, a tool attachment can be easily inserted and when it is in its clamped position, the tool attachment is securely retained. The preferred embodiments have at least one spring biasing the apparatus toward the clamped position, a releasable retaining mechanism for holding the apparatus in its unclamped position after being placed in that position. When the blade shank portion is inserted into the slot a predetermined distance, the shoulders of the shank portion release the retaining mechanism to move it to its clamped position. When a blade is to be removed, the clamping apparatus needs only to be moved to its unclamped position by manually rotating the outer sleeve or collar, and the blade is normally ejected from the mechanism by contact with the blade shoulders as it reaches its unclamped position. | 03-31-2011 |
| 20150375384 | Tool Holder - A tool holder for a power tool comprising: a body defining a passageway in which a shank of a cutting tool can be located; at least one axial locking element moveably mounted within the body and which is capable of being moved between and held in at least a first release position and a second locking position where it projects into the passageway where it is capable of engagingly a shank of a cutting tool when located within the passageway in order to axially restrict the movement of the shank in the passageway; and at least one axial guide moveably mounted within the body and which can be moved between and held in at least two positions, including one position where it projects into the passageway where it is capable of engagingly supporting a side of a shank of a cutting tool when located within the passageway. | 12-31-2015 |
| 20160249938 | Chuck For Reciprocating Surgical Instrument | 09-01-2016 |
| 279082000 | Reciprocating sleeve | 8 |
| 20080217870 | Bit mounting devices - A bit mounting device includes a holder that may be mounted to a spindle of the power tool or may be a part of the spindle. A bit push member is disposed within a bit receiving hole that is formed in the holder for receiving a tool bit. The movement of the operation member is transmitted to the bit push member via a transmission mechanism, so that the tool bit is pushed in a removing direction from the bit receiving hole by the bit push member. | 09-11-2008 |
| 20080246233 | Dual Size Tool-Bit Holder - A tool-bit holder ( | 10-09-2008 |
| 20080252024 | Clamping Beam - The invention relates to a clamping system for clamping a number of tools wherein said system comprises:
| 10-16-2008 |
| 20090309317 | Chuck for Bit - A chuck includes a body having an engaging groove for releasably receiving a bit. A sleeve is slideably mounted around the body. The body further includes an annular groove in an outer periphery thereof. The annular groove includes a positioning portion having an opening extending into the engaging groove. A positioning member is slideably received in the positioning portion and movable between a disengaged position disengaged form the bit and an engaged position. The positioning member in the engaged position has a portion extending through the opening into the engaging groove to engage with and retain the bit in the engaging groove. A retainer ring is mounted in the annular groove and clamps the positioning member in the engaged position. | 12-17-2009 |
| 20100237572 | Clamping Chuck - This invention relates to a clamping chuck for a machine tool driven in rotation. To provide a clamping chuck of this type with simple construction, in which in particular high-speed machine tools can be manufactured by simple means in miniature design with shaft diameters of only a few millimeters, so that they are easily replaceable on the one hand, and on the other hand are automatically held fast torsionally, it is designed so that a hollow cylindrical base member ( | 09-23-2010 |
| 20110006489 | QUICK-RELEASE MECHANISM FOR HAND TOOL - A quick-release mechanism for a hand tool includes a center rod, a first sleeve, a second sleeve, and an engaging member. The first sleeve is sleeved on the center rod. The second sleeve is sleeved on the center rod and the first sleeve for moving with the first sleeve. The second sleeve has a recess, a first pushing portion, and a second pushing portion. The engaging member has a protruding portion and an engaging end. The first pushing portion or the second pushing portion abuts against the protruding portion to push the engaging end such that the engaging end engages with a tool bit. When pulling or pushing the first sleeve, the second sleeve moves such that the protruding portion is received in the recess. Simultaneously the engaging end disengages with tool bit. | 01-13-2011 |
| 20110215538 | TOOL CONNECTOR HAVING MULTIPLE SEATING POSITIONS - A tool connector generally includes a tool receiving portion configured for reciprocating between first and second work tool seating positions, wherein the tool receiving portion is normally biased to the first work tool seating position, and actuatable to the second work tool seating position. The tool connector further includes a magnetic mechanism in the tool receiving portion for providing magnetic force to engage a work tool in either of the first and second work tool seating positions, and a locking mechanism for lockingly engaging a work tool in the second work tool seating position. | 09-08-2011 |
| 20130001897 | CONNECTING ROD ASSEMBLY FOR CONNECTING A WORK HEAD - A connecting rod assembly is capable of pushing the work head outward to allow more of the part of the work head to be exposed out of the connecting rod assembly, making it easier for the user to pull out the work head, thus solving the problem that it is difficult to pull the work head out of the conventional connecting rod structure since the conventional connecting rod structure doesn't have any function or devices to move the work head outwards. | 01-03-2013 |
| 279083000 | Set screw | 3 |
| 20090295104 | Adjustable Engraving Tool Holder - An engraving tool holder for use in delicate engraving operations that provides fine tool length adjustment. The holder further provides adjustment of tool retention pressure. The holder has a bore that extends axially from the rear of the holder toward the front. Within this bore is an adjusting member that establishes the insertion depth of a tool. The tool holder has a tool receiving aperture formed axially and extending from the forward end. The receiving aperture has a substantially similar cross-sectional shape as the tool inserted into the holder. The holder has at least one retention member located adjacent to the forward end and perpendicularly engages the tool along the receiving aperture. | 12-03-2009 |
| 20100308546 | Device for Holding Tools on Machine Tools - The invention relates to a device for holding tools ( | 12-09-2010 |
| 20150054233 | Shank Structure of End Mill and Tool Holder - In a shank portion of an end mill which is chucked by a tool holder, flat surfaces are formed at a plurality of circumferential positions in the outer periphery of the shank portion so that the flat surfaces abut on side lock bolts attached to a body of the tool holder. | 02-26-2015 |
| 279087000 | Longitudinal clamping wedge | 1 |
| 20100327541 | CLAMPING SYSTEM - The clamping system for clamping a shank, for example a tool shank, into a seat has a spiral-shaped circumferential groove arranged in the wall of the seating hole and a clamping wedge which is provided with corresponding spiral-shaped ribs and is insertable into a recess on the shank. | 12-30-2010 |
