Threaded Cam Sleeve Patents (Class 279/48)
  • Patent number: 10730117
    Abstract: Provided is a tool chuck that allows precision gripping of a tool by a collet when this collet is pushed into a chuck body. The tool chuck includes a collet for gripping a tool, a chuck body having, at a leading end thereof, a receiving portion for receiving the collet inserted therein along an axis thereof, a holder containing the collet therein and configured to be movable together with the collet along an axial direction based on the axis, and a nut fitted on the chuck body (2) in a radial direction based the axis and containing the holder in the radial direction. The holder has a movement allowing mechanism for allowing the holder to move relative to the nut along the axial direction when the nut is moved relative to the chuck body along the axial direction.
    Type: Grant
    Filed: September 6, 2016
    Date of Patent: August 4, 2020
    Assignee: Big Daishowa Co., Ltd.
    Inventors: Joji Nakatani, Hirokazu Suruga
  • Patent number: 10525605
    Abstract: A cutting device is disclosed. The cutting device has a body member, a cutting member that is removably attachable to the body member, and a cover member that is movably disposed on the body member, the cover member including a protrusion. The body member has a recess configured to receive the protrusion. The recess includes a first portion extending in a first direction and a second portion extending in a second direction that is different from the first direction.
    Type: Grant
    Filed: January 5, 2018
    Date of Patent: January 7, 2020
    Assignee: Slice, Inc.
    Inventors: Thomas Scimone, Scot Herbst, John Swain
  • Patent number: 9937568
    Abstract: A router includes a housing and a motor assembly disposed within the housing. The motor assembly includes a driven shaft having a cavity on a first end of the driven shaft. The router includes a collet that is configured to mate into the cavity of the driven shaft with the collet being configured to grip a shank of a router bit. The router includes a gear mechanism that is configured to couple and decouple from a second end of the driven shaft such that a rotation of the gear mechanism when the gear mechanism is coupled to the second end of the driven shaft causes at least one of tightening and loosening of the collet.
    Type: Grant
    Filed: July 28, 2017
    Date of Patent: April 10, 2018
    Assignee: Black & Decker Inc.
    Inventors: Warren A. Ceroll, Craig Schell, Steven D. McDaniel, Gregory Griffin
  • Patent number: 9914180
    Abstract: The invention concerns a method to generate and/or machine gear teeth on a workpiece, wherein the workpiece is subjected to a movement from a first location where the workpiece, while being held by a clamping device connected to a workpiece spindle, is brought into machining engagement with a first tool, to a second location where the work piece, while remaining in its clamped condition, is brought into machining engagement with a second tool, wherein prior to performing the movement, the connection between the clamping device and the workpiece spindle is released, and after the movement, the clamping device is connected to another workpiece spindle for the machining engagement with the second tool.
    Type: Grant
    Filed: May 20, 2014
    Date of Patent: March 13, 2018
    Assignee: GLEASON-PFAUTER MASCHINENFABRIK GMBH
    Inventors: Johannes Brogni, Gerhard Krebser, Christoph Schneider, Matthias Philippin
  • Patent number: 9907299
    Abstract: A catapult system for casting a lure from a fishing pole includes a fishing rod that has a line and a reel. The line has a lure that is coupled thereto such that the lure may be cast outwardly from the fishing rod. A catapult is removably coupled to the fishing rod. The catapult engages the lure such that the catapult selectively casts the lure outwardly from the fishing rod.
    Type: Grant
    Filed: October 14, 2015
    Date of Patent: March 6, 2018
    Inventor: Frank Lincoln
  • Patent number: 9022393
    Abstract: A cutting tool includes a chuck, a compressible conical collet and a lock nut for locking the collet. The cutting tool lock nut has a nut portion with a threaded portion for threading with the chuck, and a locking portion with a collet-locking surface formed with angled coolant grooves thereon. The collet-locking surface presses on the collet head, thereby compressing it to grip a tool shank in a collet bore thereof. As the locking portion presses only against a peripheral surface of the collet head, the lock nut is suitable for locking collets with different bore diameters. When the chuck is provided with a coolant fluid, the coolant fluid flows through the chuck and through the collet towards the locking portion, passing through the coolant notches between the locking portion and the collet head, and sprayed towards a location along the tool shank.
    Type: Grant
    Filed: August 23, 2012
    Date of Patent: May 5, 2015
    Assignee: Iscar, Ltd.
    Inventor: Hanoch Guy
  • Patent number: 8925930
    Abstract: A chuck device includes: a chuck body having a tapered hole at a front end portion and being fixed to a rotational spindle of the machine tool; a collet capable of being reduced in diameter and inserted into the tapered hole for holding the tool; and a nut that can be screwed to the chuck body for fastening the collet. A non-alignment prevention member is provided for suppressing relative movement by bringing the nut into radial contact with the chuck body even when the spindle of the machine tool is rotated and includes a first nut rear end side tapered surface at a farther rear end side than a screw portion, and a chuck body side tapered surface formed in the chuck body for coming into contact with the first nut rear end side tapered surface when the nut is screwed up.
    Type: Grant
    Filed: May 14, 2010
    Date of Patent: January 6, 2015
    Assignee: Big Alpha Co., Inc.
    Inventor: Manabu Komine
  • Patent number: 8888420
    Abstract: 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.
    Type: Grant
    Filed: July 17, 2009
    Date of Patent: November 18, 2014
    Assignee: Primetool Mfg, Inc.
    Inventor: Peter Chen
  • Patent number: 8752843
    Abstract: A collet has seal bores formed in interspaces of the collet. The seal bores are oriented at an acute angle ? to the longitudinal axis of the collet, and extend towards a tool end of the collet, from a clamping surface of the collet to a collet peripheral surface. Adjacent the clamping bore, the collet has stopping surfaces for accurately locating the seals. When inserted into the seal bores, the seals prevent fluid leakage between the clamping bore surface and the peripheral surface of the collet.
    Type: Grant
    Filed: April 7, 2011
    Date of Patent: June 17, 2014
    Assignee: Iscar, Ltd.
    Inventor: Hanoch Guy
  • Publication number: 20140079574
    Abstract: A shaft-locating device can include a cylindrical inner collet having an engaging surface on an inner diameter and an outward-facing tapered portion on an outer surface and an outer nut, concentrically located around the inner collet. The outer nut can have an inward-facing tapered portion that engages the outward-facing tapered portion of the inner collet, causing the inner diameter of the inner collet to become smaller, thus engaging, for example, a shaft around which the inner collet is located. In embodiments, a shoulder on the inner collet can prevent axial movement of a shaft-mounted component such as, for example, a bearing.
    Type: Application
    Filed: September 18, 2012
    Publication date: March 20, 2014
    Applicant: Baker Hughes Incorporated
    Inventors: Christopher M. Brunner, Jason Ives
  • Patent number: 8672592
    Abstract: A pull-out preventer and milling collet that includes the pull-out preventer. The pull-out preventer is configured to prevent axial migration of a fluted milling tool out of the milling collet. The milling collet includes a through-hole extending from a rear-end aperture to an opposing cutting-end aperture of a basic body thereof. The pull-out preventer is located at the cutting-end aperture of the basic body.
    Type: Grant
    Filed: May 16, 2012
    Date of Patent: March 18, 2014
    Assignee: Iscar, Ltd.
    Inventor: Hanoch Guy
  • Publication number: 20140054866
    Abstract: A cutting tool includes a chuck, a compressible conical collet and a lock nut for locking the collet. The cutting tool lock nut has a nut portion with a threaded portion for threading with the chuck, and a locking portion with a collet-locking surface formed with angled coolant grooves thereon. The collet-locking surface presses on the collet head, thereby compressing it to grip a tool shank in a collet bore thereof. As the locking portion presses only against a peripheral surface of the collet head, the lock nut is suitable for locking collets with different bore diameters. When the chuck is provided with a coolant fluid, the coolant fluid flows through the chuck and through the collet towards the locking portion, passing through the coolant notches between the locking portion and the collet head, and sprayed towards a location along the tool shank.
    Type: Application
    Filed: August 23, 2012
    Publication date: February 27, 2014
    Applicant: Iscar, Ltd.
    Inventor: Hanoch Guy
  • Patent number: 8277450
    Abstract: A locking instrument assembly for use in conjunction with an intramedullary device is disclosed. The locking instrument assembly includes an inner collet, an outer body, and a knob. The inner collet has a collar and a fastener member. The knob engages the fastener member to press the outer body against the collar. As the knob mates with the fastener member, the collar applies a clamping force to the intramedullary device.
    Type: Grant
    Filed: October 3, 2006
    Date of Patent: October 2, 2012
    Assignee: Smith & Nephew, Inc.
    Inventors: Roger Ryan Dees, Jr., Jeffrey N. Yeager
  • Publication number: 20120121354
    Abstract: A fastening nut for fastening a receiving body and a collet together is disclosed. The fastening nut comprises a main body having an outer surface, a first end, and a second end distal to the first end and a plurality of blades located radially on the outer surface of the main body, wherein each blade is at an angle to the second end. The fastening nut is attachable on the receiving body for coaxial retention of the collet. Furthermore, axial rotation of the fastening nut creates a suction proximate the second end of the fastening nut. In one embodiment of the fastening nut, the plurality of blades protrude axially past the second end of the main body in a direction away from the first end. A tool bit holding system and a system and method for machining specimens comprising the fastening nut are also disclosed.
    Type: Application
    Filed: November 12, 2010
    Publication date: May 17, 2012
    Inventor: Cory Dickey
  • Patent number: 8118312
    Abstract: A tool-holding system for centering a cutting tool to be utilized by a machine is disclosed herein. The tool-holding system includes a housing defining a tapered recess to be provided to the machine for receiving at least a portion of the tool, a first alignment portion provided to the housing, and an adaptor including a tapered shank that is to be received within the tapered recess defined by the housing. The adaptor includes an aperture formed in the adaptor for receiving a proximate end of the tool and a tool fastener for securing the proximate end of the tool within the aperture at a predetermined angular orientation therein. A second alignment portion is provided to the adaptor to cooperate with the first alignment portion to establish a predetermined angular orientation of the adaptor relative to the housing while the shank of the adaptor is at least partially inserted into the tapered recess. A fastener is also provided for securing the adaptor within the tapered recess of the housing.
    Type: Grant
    Filed: January 31, 2007
    Date of Patent: February 21, 2012
    Assignee: American Torch Tip Co.
    Inventor: Daniel Walters
  • Patent number: 8061718
    Abstract: A bit holder for a rotary tool is disclosed herein. In one embodiment, the bit holder comprises a drive shaft with an elongated bit channel configured to receive a tool bit for the rotary tool. A cavity is provided in a peripheral wall of the drive shaft. The cavity extends in a radial direction from the bit channel to an outer portion of the drive shaft. A moveable lock member is positioned in the cavity of the drive shaft. A collet is positioned in the bit channel apart from the cavity. The collet includes a collapsible end portion configured to clamp down on the tool bit. A collet nut rotatably engages the drive shaft and is moveable between a release position and a lock position. In the lock position the collet nut clamps the collapsible end portion of the collet while also forcing the lock member into the bit cavity.
    Type: Grant
    Filed: July 27, 2007
    Date of Patent: November 22, 2011
    Assignee: Robert Bosch GmbH
    Inventor: Harald Krondorfer
  • Patent number: 8029216
    Abstract: 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 the trough so as help prevent slippage of one with respect to the other. The chuck may include a receiver having a tapered bore, a collet having a complementarily tapered outer surface, and a nut configured to be threadingly secured to a forward end of the receiver; the article may be a shank, such as a tool shank. An inner surface of the collet may be provided with a crest which is configured to fit into a trough formed on the shank. In a secured position, the shank is accommodated in the bore of the collect with the crest of the collet at least partially occupying the trough of the shank, thereby preventing movement of the shank relative to the collet, which itself is accommodated in the bore of the receiver.
    Type: Grant
    Filed: March 21, 2007
    Date of Patent: October 4, 2011
    Assignee: Iscar, Ltd.
    Inventor: Hanoch Guy
  • Publication number: 20110158759
    Abstract: A system is proposed that is made up of a tool holder 1, a collet 15 with a clamping nut 19, and a tool insert 27, in which the collet 15 and the tool insert are fixed and positioned on various function surfaces within the tool holder 1. Nevertheless, the clamping means are the same, namely a thread on the tool holder 1.
    Type: Application
    Filed: December 23, 2010
    Publication date: June 30, 2011
    Applicant: WTO WERKZEUG-EINRICHTUNGEN GMBH
    Inventors: Karlheinz Jansen, Klaus Maier, Sascha Tschiggfrei
  • Publication number: 20110068545
    Abstract: An interface between a receptacle body and an insert designed, in particular, as a tool or workpiece insert, comprises a receptacle body (2) having a cylindrical receiving bore (4), which is circumscribed by a first plane surface (6) extending at a right angle to the bore axis and in which a first cone surface (9) is arranged, said first cone surface being coaxial with the bore axis and being arranged so that its tapered end faces toward the plane surface. The insert (3) has a pin (15) that is disposed to be plugged into the receiving bore (4) and is circumscribed by a second plane surface (22). At an axial distance from the second plane surface (22), said pin has a second cone surface (22), the tapered end of said second cone surface being arranged so as to face toward the second plane surface.
    Type: Application
    Filed: September 22, 2010
    Publication date: March 24, 2011
    Inventor: Manfred Neumeier
  • Publication number: 20100209207
    Abstract: 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.
    Type: Application
    Filed: February 16, 2010
    Publication date: August 19, 2010
    Applicant: BLACK AND DECKER INC.
    Inventors: Warren A. Ceroll, Gregory K. Griffin, Steven D. McDaniel, Craig A. Schell, Robert S. Gehret, Joseph P. Kelleher
  • Patent number: 7758289
    Abstract: To compensate for tolerances and diameter differences during the chucking of a tool shank (15) in a tool holder (1) of the shrink-fit chuck type, a diameter-compensating bush (17) is provided. The diameter-compensating bush (17) has an outer sleeve (19) having a tapered inner circumferential surface (25) and an inner sleeve (21) arranged coaxially therein and having a tapered outer circumferential surface (27). Once the diameter-compensating bush (17) has been put onto the tool shank (15) and the inner sleeve (21) has been drawn into the outer sleeve (19), for example by means of a ring nut (35), for the diameter compensation, the outer sleeve (19) is thermally shrunk in place in the locating section (9) of the tool holder (1). In this way, rotary tools whose tool shank (15) does not have a diameter corresponding to the diameter or the tolerance requirements of the tool holder (1) can be chucked in a tool holder (1), for example, of the shrink-fit chuck type.
    Type: Grant
    Filed: May 30, 2005
    Date of Patent: July 20, 2010
    Assignee: Franz Haimer Maschinenbau KG
    Inventors: Franz Haimer, Josef Haimer
  • Publication number: 20100148455
    Abstract: A tool holder includes: a collet chuck main body having a tapered hole formed in its tip end portion so as to be tapered toward an axial rear end; a tapered collet having a tool insertion hole that extends in an axial direction, a main tapered surface that fits in the tapered hole, and a tip end tapered surface positioned on an axial tip end side of the main tapered surface, and tapered toward an axial tip end; a cylindrical lock nut having internal threads that are screwed on external threads formed on an outer periphery of the tip end portion of the collet chuck main body, for reducing a diameter of the tool insertion hole by pressing the tapered collet into the tapered hole; a tip end tapered member having a tapered abutting surface that fits on the tip end tapered surface, the tip end tapered member being pressed toward the axial rear end by the lock nut; and a plain bearing positioned in a plane perpendicular to a direction in which the tip end tapered member is pressed by the lock nut, the plain bearing
    Type: Application
    Filed: December 11, 2009
    Publication date: June 17, 2010
    Applicant: Nikken Kosakusho Works, LTD.
    Inventor: Masahiro Taguchi
  • Publication number: 20100096814
    Abstract: A tool holding module comprises a fixture seat and a tool rod. The fixture seat has a first outer surface on an external wall, a first top surface on one end, and a fixture head is located on the same end. The fixture head has a second outer surface on an external wall and a second top surface on one end. The internal wall of the tool rod has first and second inner surfaces respectively corresponding to the first and second outer surfaces, and has first and second butting surfaces respectively corresponding to the first and second top surfaces. The tool rod and fixture seat are connected to enfold the fixture head. The security of the tool holding module is enhanced via close contact of the first outer and inner surfaces, the second outer and inner surfaces, the first top and butting surfaces, the second top and butting surfaces.
    Type: Application
    Filed: December 22, 2009
    Publication date: April 22, 2010
    Inventor: Peter CHEN
  • Patent number: 7669308
    Abstract: An collet and lock nut assembly includes a collet for receiving a cutting tool shank and a lock nut for creating a gripping force between the collet and the shank. The collet has a nose portion and a body portion separated by an annular groove. The lock nut has a plurality of retention tabs and a corresponding number of clear portions. The collet and lock nut assembly can be easily assembled by inserting at least one retention tab within the groove of the collet, and then applying pressure to the collet such that the remaining retention tabs of the lock nut are received within the groove of the collet to place the assembly in a locked position. The collet and cutting tool shank can be drawn from the tool holder by applying rotational torque to the lock nut. The collet is easily removed from the lock nut by applying pressure in any circumferential, lateral direction against the collet.
    Type: Grant
    Filed: June 11, 2007
    Date of Patent: March 2, 2010
    Assignee: Kennametal Inc.
    Inventors: Robert E. Oshnock, Michael R. McCormick, Robert A. Erickson, Keith Wiggins
  • Publication number: 20090322042
    Abstract: It is an object of the invention to provide a constituent member of a collet chuck, a collet and a fastening nut as well as a collet chuck capable of reinforcing a holding force of a tool.
    Type: Application
    Filed: September 13, 2007
    Publication date: December 31, 2009
    Applicant: Daishowa Seiki Co., Ltd.
    Inventor: Yasuhiko Kitamura
  • Publication number: 20090278324
    Abstract: 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.
    Type: Application
    Filed: July 17, 2009
    Publication date: November 12, 2009
    Inventor: Peter CHEN
  • Patent number: 7549953
    Abstract: A quick-change tool-holding method and system for securing a tool within a primary tapered recess is disclosed. The tool-holding system includes an adaptor having a tapered exterior that closely approximates interior dimensions of the tapered recess to fit snugly within the tapered recess. The adaptor defines a secondary interior tapered recess and includes an exterior threaded portion about an aperture leading into the secondary tapered recess. A threaded fastener is also provided to include a threaded portion that is cooperable with threads provided adjacent to the primary tapered recess to secure the adaptor therein, as well as an aperture through which at least a portion of the exterior threaded portion of the adaptor extends when the adaptor is secured within the primary tapered recess by the threaded fastener. A collet comprising a plurality of slits formed therein is provided to allow the collet to elastically deform and constrict the tool when placed within an internal passage defined by the collet.
    Type: Grant
    Filed: June 14, 2006
    Date of Patent: June 23, 2009
    Assignee: American Torch Tip
    Inventor: Daniel Walters
  • Publication number: 20070290457
    Abstract: A quick-change tool-holding method and system for securing a tool within a primary tapered recess is disclosed. The tool-holding system includes an adaptor having a tapered exterior that closely approximates interior dimensions of the tapered recess to fit snugly within the tapered recess. The adaptor defines a secondary interior tapered recess and includes an exterior threaded portion about an aperture leading into the secondary tapered recess. A threaded fastener is also provided to include a threaded portion that is cooperable with threads provided adjacent to the primary tapered recess to secure the adaptor therein, as well as an aperture through which at least a portion of the exterior threaded portion of the adaptor extends when the adaptor is secured within the primary tapered recess by the threaded fastener. A collet comprising a plurality of slits formed therein is provided to allow the collet to elastically deform and constrict the tool when placed within an internal passage defined by the collet.
    Type: Application
    Filed: June 14, 2006
    Publication date: December 20, 2007
    Inventor: Daniel Walters
  • Patent number: 7306238
    Abstract: An assembly generally comprises a collet for receiving a cutting tool shank and a lock nut for creating a gripping force between the collet and the cutting tool shank. The collet has a nose and the lock nut has a front face that is substantially flush with the nose. The lock nut further has a fastening element that mates with a fastening element of a coolant sealing ring for attaching the coolant sealing ring to the lock nut so that the coolant sealing ring may be detached from the lock nut.
    Type: Grant
    Filed: March 1, 2005
    Date of Patent: December 11, 2007
    Assignee: Kennametal Inc.
    Inventors: Robert E. Oshnock, Michael R. McCormick, Robert A. Erickson
  • Patent number: 7261302
    Abstract: A collet and lock nut assembly includes a collet for receiving a cutting tool shank and a lock nut for creating a gripping force between the collet and the shank. The collet has a nose portion and a body portion separated by an annular groove. The lock nut has a plurality of retention tabs and a corresponding number of clear portions. The collet and lock nut assembly can be easily assembled by inserting at least one retention tab within the groove of the collet, and then applying pressure to the collet such that the remaining retention tabs of the lock nut are received within the groove of the collet to place the assembly in a locked position. The collet and cutting tool shank can be drawn from the tool holder by applying rotational torque to the lock nut. The collet is easily removed from the lock nut by applying pressure in any circumferential, lateral direction against the collet.
    Type: Grant
    Filed: March 3, 2005
    Date of Patent: August 28, 2007
    Assignee: Kennametal Inc.
    Inventors: Robert E. Oshnock, Michael R. McCormick, Robert A. Erickson, Keith Wiggins
  • Patent number: 6923451
    Abstract: In order to provide a tool holder which greatly reduces frictional resistance between a locknut and a taper collet, and eliminates a twisting of the taper collet during tightening of the locknut, in a tool holder comprising a locknut 13 which pushes a taper collet 12 into a tapered hole 115 of a collet chuck body 11 to chuck a cutting tool 15, between a reference end 123 of the tape collet 12 and a collet supporting portion 131 opposed thereto, interposed is a bearing washer 14 to reduce frictional resistance between both contact surfaces. To both surfaces of this bearing washer 14, namely, to the respective surfaces which come into contact with the reference end 123 and collet supporting portion 131, surface treatment by any of ion nitriding, DLC (Diamond-Like Carbon) coating, and TiN coating is applied.
    Type: Grant
    Filed: March 19, 2003
    Date of Patent: August 2, 2005
    Assignee: Nikken Kosakusho Works Ltd.
    Inventors: Masahiro Taguchi, Yusaku Yamamoto, Eisaku Nakai
  • Patent number: 6913429
    Abstract: A bit retaining assembly for retaining a bit in a rotary tool, in particular a router such as a hand-held router, a table-mounted router, a pocket cutter, a laminate trimmer, a rotary cutout tool, or the like employs a planetary gear system for multiplying the torque applied to clamp the bit within a collet. The bit retaining assembly comprises a chuck for coupling the bit retaining assembly to the rotor shaft of the rotary tool. A collet is disposed in the chuck for receiving the bit. A nut threaded onto the chuck compresses the collet about the bit to secure the bit within the collet. A planetary gear system transmits torque applied to a housing member to the nut for rotating the nut on the chuck. Preferably, the planetary gear system multiplies the torque transmitted to the nut so that the torque transmitted to the nut is greater than the torque applied to the housing member.
    Type: Grant
    Filed: July 31, 2003
    Date of Patent: July 5, 2005
    Assignee: Porter-Cable Corporation
    Inventors: Alan Phillips, John W. Schnell, John M. Beville
  • Publication number: 20040222600
    Abstract: A gear reducing collet nut assembly is provided for holding a tool bit. The assembly includes an outer grip sleeve that can be rotated to actuate a clamping structure with a bore for holding a tool bit. More specifically, the assembly includes a planetary gear system to amplify torque from the grip sleeve to facilitate effective manual operation. The assembly includes a base member that is securable to a shaft of a rotary power tool, and the planetary gears are rotatably mounted at a plurality of positions on the base member. The planetary gears are driven by a central sun gear that is fixed to the grip sleeve. The planetary gears deliver torque to a ring gear that extends peripherally around the planetary gears. Movement of the ring gear is effective to actuate the clamping structure. In an embodiment, an exterior of the ring gear is threaded to the base member and axially fixed relative to the grip sleeve.
    Type: Application
    Filed: May 9, 2003
    Publication date: November 11, 2004
    Applicant: Credo Technology Corporation
    Inventors: Barry Howard Jacobs, Timothy D. Baker
  • Patent number: 6638290
    Abstract: A connector assembly for connecting a surgical saw blade to a housing of a surgical instrument. The connector assembly allows a surgeon to align, insert and lock the surgical blade in the collect of the surgical instrument without any special tools, and further provides a stable and robust platform for mounting the surgical saw blade thereto. The connector assembly includes a gripper having a centrally located bore and a pair of opposing shelves. A shaft having shoulders is slidably fitted within the bore of the gripper. The shoulders communicate with ledges of the shelves to prohibit movement of the finger gripper. This same mechanism also prevents movement of a surgical saw blade, once inserted within the slot of the shaft, from becoming dislodged or ejected from the connector assembly. A biasing spring biases the gripper in a first position, but the gripper can move between the first position and a second position.
    Type: Grant
    Filed: December 6, 2000
    Date of Patent: October 28, 2003
    Assignee: Microaire Surgical Instruments, Inc.
    Inventors: John Pascaloff, Joseph Ventura
  • Patent number: 6565100
    Abstract: A hand tool comprising a core member extending along a longitudinal axis of the tool; at least two jaws moveable relative to the core member so as to be openable and closeable, but constrained in a forward direction substantially parallel with said longitudinal axis, a sleeve member arranged to be moveable substantially parallel with the longitudinal axis relative to the core member, the sleeve member having at least one forward facing jaw-engaging surface.
    Type: Grant
    Filed: May 2, 2001
    Date of Patent: May 20, 2003
    Inventors: Michael Joseph Marshall, Andrew David Wilkinson
  • Patent number: 6332734
    Abstract: A method and apparatus for mounting a supply roll to a rotatable support shaft in an imaging system. The apparatus includes a first collet/collar assembly for accurately positioning the supply roll at a desired location on the support shaft, and a second collet/collar assembly for frictionally coupling the support shaft to an interior surface of a supply core of the supply roll using a deformable gland.
    Type: Grant
    Filed: May 21, 1999
    Date of Patent: December 25, 2001
    Assignee: Agfa Corporation
    Inventor: Thomas K. Hebert
  • Patent number: 6302406
    Abstract: A connector assembly for connecting a surgical saw blade to a housing of a surgical instrument. The connector assembly allows a surgeon to align, insert and lock the surgical blade in the collet of the surgical instrument without any special tools, and further provides a stable and robust platform for mounting the surgical saw blade thereto. The connector assembly includes a tapered conical shaped sleeve which is positioned within the housing and rotatable in both a clockwise and counter-clock wise direction. A pair of grippers are mounted within the connector assembly and engage the surgical saw blade when the tapered conical shaped gripper sleeve is rotated in a first position. A sternum guard is also mounted to the housing.
    Type: Grant
    Filed: January 10, 2000
    Date of Patent: October 16, 2001
    Assignee: Microaire Surgical Instruments, Inc.
    Inventor: Joseph Ventura
  • Patent number: 6168170
    Abstract: A chuck is provided for use with a manual or powered driver, such as a drill. The chuck has a body member with angularly disposed passageways formed therethrough. A plurality of jaws are slidably positioned within the angularly disposed passageways. The jaws grip upon a tool shank inserted into the body member. A nut is rotatably mounted on the body member and has nut threads defined on an inner circumference thereof in engagement with the jaw threads. A sleeve member is in driving rotational engagement with the nut whereby when the sleeve is rotated with respect to the body member, the jaws are also moved within the passageways. A rotational stop is defined between the nut and jaws wherein upon the jaws reaching a predetermined position within the passageways, further rotation of the nut in an opening direction is prevented. The stop comprises a radially extending surface defining an end of the nut threads. The radially extending surface contacts a side surface of at least one of the jaws.
    Type: Grant
    Filed: January 30, 1998
    Date of Patent: January 2, 2001
    Assignee: Power Tool Holders Incorporated
    Inventors: Kevin C. Miles, Christopher B. Barton, William H. Aultman
  • Patent number: 5913524
    Abstract: A chuck for use with a manual or powered driver having a drive shaft is provided. A generally cylindrical body has a forward section and a rearward section, the rearward section adapted to mate with the drive shaft of the driver. A gripping mechanism is actuatable to a closed position in which the gripping mechanism axially and rotationally retains a tool with respect to the body and to an open position in which the gripping mechanism does not so retain a tool. An annular nut is disposed about the body and has a threaded portion in threaded engagement with the gripping mechanism so that rotation of the nut about the body in a closing direction actuates the gripping mechanism to the closed position and rotation of the nut in an opening direction, opposite the closing direction, actuates the gripping mechanism to an open position.
    Type: Grant
    Filed: October 8, 1997
    Date of Patent: June 22, 1999
    Assignee: Power Tool Holders, Inc.
    Inventor: Christopher B. Barton
  • Patent number: 5911421
    Abstract: A sealed collet having improved radial flexibility is provided for facilitating removal from a locknut of a chuck assembly. The sealed collet includes a collet body formed from a tubular configuration of elongated gripping fingers separated by elongated slots which render the body radially resilient in response to pressure applied by a locknut. The slots are filled with a bonding agent, which may be a silicon rubber compound, for preventing dirt and debris from entering the collet slots and for preventing pressurized coolant intended to flow through a bore in a tool shank from flowing through the walls of the collet body. To increase the radial compressibility of the collet, agent-free gaps are provided in the slots immediately behind a distal portion of the collet body. In the preferred embodiment, the length of the agent-free gap is between 20% and 30% of the overall length of its respective slot.
    Type: Grant
    Filed: April 18, 1997
    Date of Patent: June 15, 1999
    Assignee: Kennametal Inc.
    Inventor: Jack W. Steele
  • Patent number: 5620188
    Abstract: A router collet for removably attaching a rotary cutting tool to a router drive shaft is provided having a body, a split collet, a nut and a retainer for retaining the collet and nut together to permit free rotation while limiting axial movement therebetween. This construction enables the nut when loosened to initially rotate with the split collet and cutting tool for limited axial distance whereupon further axial movement of the collet is constrained causing the split collet and nut to separate and the split collet to loosen its grip upon the cutting tool shank.
    Type: Grant
    Filed: November 8, 1995
    Date of Patent: April 15, 1997
    Assignee: Ryobi North America
    Inventors: Ronald C. McCurry, Wallace E. Anderson
  • Patent number: 5460388
    Abstract: A toolholder 1 of the type including a collet 5 integrally formed with a shank 3 is provided with an interface between a locknut 7 and collet 13 which substantially reduces the torque required to turn the locknut 7 into a position which radially collapses the collet segments 17. In this interface, one of either the inner locknut surface 23 or the outer surfaces of the collet segments 17 includes an engaging portion 56 for wedgingly flexing the collet segments 17 inwardly when the locknut is turned, and a non-engaging portion 58 disposed between the engaging portion 56 and the shank mounted ends of the collet segments 17. The non-engaging portion 58 reduces the torque required to turn the locknut 7 by reducing the binding forces that would otherwise occur between the ends of the collet segments 17 and the inner locknut surface 23.
    Type: Grant
    Filed: February 3, 1994
    Date of Patent: October 24, 1995
    Assignee: Kennametal Inc.
    Inventors: David L. Lewis, Victor D. Mogilnicki, Thomas J. Presby
  • Patent number: 5439005
    Abstract: A surgical instrument has a motor including a chuck for releasably receiving a dissecting tool for rotation about an axis of the surgical instrument. The dissecting tool has a cutting end and a shaft and the surgical instrument is provided with a base releasably connected to the motor. A sleeve is releasably connected to the base to support the shaft of the dissecting tool, and the surgical instrument is further provided with sleeve connection means for selectively permitting axial movement of the sleeve relative to the base and the dissecting tool to vary the amount of protrusion of the cutting end of the dissecting tool from the sleeve.
    Type: Grant
    Filed: March 2, 1993
    Date of Patent: August 8, 1995
    Assignee: Midas Rex Pneumatic Tools, Inc.
    Inventor: William J. Vaughn
  • Patent number: 5368421
    Abstract: The tool holder is arranged to receive a tapered tool shank. The collet has a shank engaging surface which, in use, lies substantially on the surface of a notional cone which tapers in the direction of withdrawal of the shank from the tool holder.
    Type: Grant
    Filed: December 19, 1988
    Date of Patent: November 29, 1994
    Inventor: Kenneth A. J. Head
  • Patent number: 5314198
    Abstract: The center of a collet having a plurality of individual gripper members resiliently spaced apart in an annular array and operated on by a frustoconical surface can be adjusted by displacing some of the gripper members more than others of the gripper members parallel to the axis with which both the annular array and the frustoconical surface are nominally concentric. This causes the frustoconical surface to produce greater radial displacement of some of the gripper members, thereby shifting the center of the collet transverse to the above-mentioned axis. An element transversely moveable relative to the axis causes displacement of some of the gripper members more than others.
    Type: Grant
    Filed: December 14, 1992
    Date of Patent: May 24, 1994
    Assignee: Jacobs Chuck Technology
    Inventor: Roger J. Kanaan
  • Patent number: 5301961
    Abstract: A chuck for a tool, a workpiece and the like has a chuck body having an inner receptacle, a clamping device accommodated in the inner receptacle and having axially projecting spring regions, the clamping device having two ends which are axially supported and being axially compressible for clamping an element in an interior of the clamping device and an element for applying a compressing force to the clamping device at a front end of the chuck body.
    Type: Grant
    Filed: December 14, 1992
    Date of Patent: April 12, 1994
    Assignee: Otto Bilz, Werkzeugfabrik GmbH & Co.
    Inventor: Joachim A. Wozar
  • Patent number: 5193825
    Abstract: The center of a collet having a plurality of individual gripper members resiliently spaced apart in an annular array and operated on by a frustoconical surface can be adjusted by displacing some of the gripper members more than others of the gripper members parallel to the axis with which both the annular array and the frustoconical surface are nominally concentric. This causes the frustoconical surface to produce greater radial displacement of some of the gripper members, thereby shifting the center of the collet transverse to the above-mentioned axis. An element transversely moveable relative to the axis causes displacement of some of the gripper members more than others.
    Type: Grant
    Filed: October 3, 1991
    Date of Patent: March 16, 1993
    Assignee: Jacobs Chuck Technology Corporation
    Inventors: Roger J. Kanaan, Paul T. Jordan
  • Patent number: 5137288
    Abstract: A wire gripping handle for attaching to and detaching from wires defines a first tubular member, and a second tubular member which receives the first tubular member in generally coaxial relation. Both tubular members define a longitudinal slot so that, when the slots are aligned, a wire may be placed into the bores of the joined tubular members in lateral fashion. Then, upon relative rotation of the tubular members, a portion of one of them may be radially collapsed into gripping relation with the wire.
    Type: Grant
    Filed: July 22, 1991
    Date of Patent: August 11, 1992
    Assignee: Cordis Corporation
    Inventors: John J. Starkey, Fernando M. Viera, Matthew A. Palmer
  • Patent number: 5052496
    Abstract: An apparatus for rapid interchange of drive head units on a power tool motor unit is provided by forming a flared lip on the first of the two housings to be connected; capturing a coupling nut behind the flare with a split clamp ring; forming a bore on the second housing into which the flared lip and clamp ring of the first housing will fit; forming a positioning stop, within the bore, against which the flared lip of the first housing will be clamped; and providing a coupling device on the second housing to which the coupling nut of the first housing will be coupled to join the two housings.
    Type: Grant
    Filed: October 11, 1989
    Date of Patent: October 1, 1991
    Assignee: Ingersoll-Rand Company
    Inventors: Gregory P. Albert, Bruce D. Fay
  • Patent number: 5052250
    Abstract: A spark plug starter tool is provided and consists of a spark plug engaging member attached to distal end of an elongated flexible shaft affixed onto a dowel pin extending from a handle whereby turning of the handle will install and remove a spark plug with respect to a cylinder head of an engine thus eliminating cross-threading. In a modification an adjustable chuck head is on distal end of a rigid shaft so that the chuck head can grasp and release the spark plug.
    Type: Grant
    Filed: March 11, 1988
    Date of Patent: October 1, 1991
    Inventors: Walter G. Clarke, George Spector