Interlocked Blade And Holder Patents (Class 30/337)
  • Patent number: 10702996
    Abstract: A blade changeable knife includes a first holding member having a first holding portion and a first connecting portion and a second holding member having a second holding portion and a second connecting portion. The second holding portion and the second connecting portion is interconnected by a flexible portion. The second connecting portion is disposed on the first connecting portion. The second holding portion and the first holding portion are disposed oppositely. The second holding member is adapted to be flexed to a holding position and a releasing position in which the first and the second holding portions are disposed apart from each other. Further, a lock is movably engaged with the second holding member. The lock is disposed at a first position when the second holding member is in the holding position and at a second position when the second holding member is in the releasing position.
    Type: Grant
    Filed: January 30, 2019
    Date of Patent: July 7, 2020
    Assignee: Hong Ann Tool Industries Co., Ltd.
    Inventor: Cheng-Wei Su
  • Patent number: 10499945
    Abstract: A scraper is provided having at least a portion of a fastener thereon. A blade is removably attachable to the distal end of the scraper through this fastener. The blade includes a cutting edge extending beyond portions of the distal end so that the cutting edge of the blade can be used when the blade is attached to the scraper. One form of fastener includes a pin and a hole, both on the distal end of the scraper. The blade is provided with a yoke that engages the pin, and a stud which passes through the hole, so that the blade is secured to the distal end of the scraper. A container is also disclosed with a lower tray and cover tray configured to hold multiple scrapers therein.
    Type: Grant
    Filed: February 24, 2017
    Date of Patent: December 10, 2019
    Inventor: Kenneth I. Light
  • Patent number: 9332996
    Abstract: Devices are described relating to the retaining of surgical tools within the chuck of a reciprocating surgical instrument, such as a reciprocating saw. A securing chuck is disclosed for securing a surgical tool to a reciprocating surgical instrument that comprises a shaft and a securing member. The shaft defines an axis and has a cylindrical bore extending along the axis. The bore is shaped to receive a substantially rounded tool shank. A pair of transverse slots extends into the shaft along a plane passing through the axis for receiving a substantially flattened tool shank. The transverse slots intersect with the cylindrical bore. The securing member is carried by the shaft and is radially movable relative to the bore both inwardly and outwardly to secure the surgical tool in the chuck.
    Type: Grant
    Filed: June 14, 2013
    Date of Patent: May 10, 2016
    Assignee: Medtronic Xomed, Inc.
    Inventor: Larry D. Estes
  • Patent number: 8966772
    Abstract: A surgical blade assembly for use with a driver includes a blade with a distal cutting portion, and a proximal end has a first dimension which is less than what is applicable for use with a specific driver head. An insert is affixed to the blade proximal end and, when affixed to the blade proximal end, is configured to enable the blade for use with the driver head. A surgical cutting tool includes such a surgical blade assembly and a driver head receiving the blade assembly. A surgical cutting tool kit includes a driver with a head for receiving the blade assembly, and a plurality of such surgical blade assemblies for use with the driver, wherein the blades have different thicknesses (a) and/or widths and the corresponding inserts are configured such that the proximal ends of the surgical blade assemblies all include at least one same constant dimension (b).
    Type: Grant
    Filed: July 9, 2012
    Date of Patent: March 3, 2015
    Assignee: Zimmer Surgical SA
    Inventors: Bernard P. Legrand, Marc Detry
  • Patent number: 8959779
    Abstract: A multi-angle positioned foldable knife includes a knife body (1), a handle (2) and a pin (3). The knife body (1) is pivotally connected with the handle (2) through the pin (3). A cam (4) is arranged on the connecting end of the knife body (1), and snap openings (41) on the outer edge of the cam are provided to position the knife body (1) at multi-angle relative to the handle (2). A positioning button (5) is arranged on the connecting end of the handle (2), and a snap edge (51) is provided on the interior end of the button (5). The snap edge (51) can connect with a snap opening (41) on the outer edge of the cam (4). Compared with prior art, the foldable knife has simple structure, controlled angle, safe use, convenient operation, simple preparation etc. The knife body (1) can be positioned at multi foldable position. Additionally, the rotation of the knife body (1) can be achieved only by pressing the button (5).
    Type: Grant
    Filed: September 26, 2010
    Date of Patent: February 24, 2015
    Assignee: Kunjek Handtools & Hardware Co., Ltd.
    Inventor: Hao Wen
  • Patent number: 8914982
    Abstract: A quick release utility blade holder preferably includes a handle member and a retention clip. The handle member preferably includes a clip pocket, which is sized to receive the retention clip. A pair of opposed blade grooves are formed below a bottom of the clip pocket to slidably receive a utility knife blade. The retention clip includes a lift tab, a notch lock projection and a blade stop projection. The blade stop projection stops insertion of the utility knife blade. The notch lock projection is sized to be received by one of the notches in the utility knife blade. The lift tab extends from one end of the retention clip at one end of the handle member and one end of the clip pocket. The other end of the retention clip is secured to the handle member at the other end of the clip pocket with at least one fastener.
    Type: Grant
    Filed: January 22, 2013
    Date of Patent: December 23, 2014
    Inventor: Dell Skluzak
  • Patent number: 8904647
    Abstract: A tool is provided for preparing a cable for crimping. The tool includes a first pressure arm and a second pressure arm. An intermediate member is disposed between the first pressure arm and the second pressure arm, the intermediate member being rotationally coupled to the first pressure arm by a first pivot and rotationally coupled to the second pressure arm by a second pivot. The intermediate member includes a first pair of slots adjacent the first pressure arm and a second pair of slots adjacent the second pressure arm. A first pair of stripping cartridges is removably coupled to the first pair of slots. A second pair of stripping cartridges removably coupled to the second pair of slots.
    Type: Grant
    Filed: November 7, 2011
    Date of Patent: December 9, 2014
    Assignee: Rostra Tool Company
    Inventors: Richard A. Steiner, Charles Gargano
  • Patent number: 8813373
    Abstract: 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.
    Type: Grant
    Filed: September 12, 2008
    Date of Patent: August 26, 2014
    Assignee: Milwaukee Electric Tool Corporation
    Inventor: John S. Scott
  • Patent number: 8813372
    Abstract: 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. A clamping system is supported by the housing and a portion of the clamping system is movable relative to the spindle. The clamping system includes an actuator portion and an engaging portion coupled to the actuator portion. The clamping system has an engaged condition, in which the engaging portion is configured to secure the cutting tool to the spindle, and a released condition, in which the engaging portion is configured to disengage the cutting tool from the spindle. A biasing member positioned between the spindle and the clamping system biases the clamping system to the engaged condition. When the cutting tool is removed from the housing, the clamping system is configured to be 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.
    Type: Grant
    Filed: September 12, 2008
    Date of Patent: August 26, 2014
    Assignee: Milwaukee Electric Tool Corporation
    Inventor: John S. Scott
  • Publication number: 20140190018
    Abstract: A cutting tool (1), and a method of exchanging an interchangeable blade as well as a cutting tool housing, in particular for severing flat and/or strand-form materials. The cutting tool (1) includes a housing (2), at least one interchangeable blade (8) arranged at a holding portion (6) of the housing (2), and a locking member (40) arranged movably on the housing (2) for locking the blade (8) to the housing (2). The housing (2) has first positively locking elements (23, 24, 26, 28) and the locking member (40) has second positively locking elements (42) which jointly lock the blade (8) in a given position to the housing (2).
    Type: Application
    Filed: December 30, 2013
    Publication date: July 10, 2014
    Applicant: Martor KG
    Inventors: Florian Segler, Martin Rohrbach
  • Patent number: 8756819
    Abstract: A power operated rotary knife having a reusable handle assembly and disposable blade support assembly including a head portion and a blade support portion extending from the head portion, wherein upon completion of a tissue debriding operation on a donor, the used blade support assembly is removed from the handle assembly and disposed of, the handle assembly is autoclaved/sterilized and a new, sterilized blade support assembly is affixed to the handle assembly prior to a subsequent use. The knife includes an attachment assembly to releasably attach the disposable blade support assembly to the handle assembly and a retainer structure positioned in an annular groove formed in a bottom surface of the blade housing portion, the retainer structure bearing against an annular rotary knife blade and the blade housing portion to permanently retain an annular body section of the blade in the annular groove.
    Type: Grant
    Filed: March 28, 2011
    Date of Patent: June 24, 2014
    Assignee: Bettcher Industries, Inc.
    Inventors: Jeffery Alan Whited, David Curtis Ross, Dennis R. Seguin, Jr., Geoffrey D. Rapp
  • Patent number: 8752297
    Abstract: The invention relates to a knife, comprising a blade carrier (14) for holding a blade (15), having at least one primary knife part (11) and a secondary knife part (12), which is configured to be movable relative to the primary knife part (11), wherein the primary knife part (11) is associated with first coupling means (20, 36), which can be detachably engaged with second coupling means (18, 38) associated with the secondary knife part (12) in order to move the blade carrier (14) by way of a motion of the primary knife part (11) relative to the second knife part (12) between a safety position, in which the blade (15) is retracted into a knife housing (11) configured by the primary knife part (11) and/or the secondary knife part (12) and inaccessible to the user, and an intermediate position, in which the blade (15) protrudes from the knife housing (11), wherein the blade carrier (14) is subjected to a load by a restoring force (21) in the safety position.
    Type: Grant
    Filed: January 31, 2009
    Date of Patent: June 17, 2014
    Assignee: Martor KG
    Inventor: Martin Rohrbach
  • Patent number: 8734450
    Abstract: There is provided a surgical saw blade for use in orthopaedic surgery. The saw blade comprising: a mounting cavity having a first substantially triangular-shaped opening and a second substantially triangular-shaped opening in communication with, and inverted relative to, the first opening, the first and second opening collectively define two mounting slots that form an angle relative to one another. In some embodiments, the planar portion further comprises an offset planar shelf. The offset shelf may be oriented along the length of the planar portion to allow for longitudinal reciprocation or may be oriented across the width of the planar portion to allow for lateral reciprocation.
    Type: Grant
    Filed: August 15, 2011
    Date of Patent: May 27, 2014
    Assignee: Smith & Nephew, Inc.
    Inventor: Ryan Lloyd Landon
  • Patent number: 8701293
    Abstract: A utility knife includes an elongaged handle having an internal cavity, two opposing ends and a side having at least one locking opening. A shuttle is sized to slide within the cavity and has a side surface. The shuttle has a spring-loaded locking button projecting from the side surface and into the handle. The button is sized and shaped to selectively project into the at least one locking opening. The shuttle is bonded to a conventionally shaped utility knife blade of the type which includes two opposing cutting regions. The shuttle can slide within the handle between the two opposing ends so that both cutting regions of the blade can be easily used as necessary. This utility knife is meant to be lost cost and disposable, but offers the user TWO cutting edges, doubling its effective use.
    Type: Grant
    Filed: October 14, 2010
    Date of Patent: April 22, 2014
    Inventor: Scott L. Sullivan
  • Patent number: 8695221
    Abstract: A utility knife has a handle generally defining a handle axis and a remote end provided with an opening. A carriage is slidably mounted within the handle for selective movements through the opening between a retracted position in which the carriage is substantially fully received within the handle and a fully extended position in which the carriage is fully extended through the opening to increase the effective length of said handle by a distance ?l. A blade mounted on the carriage shares the movements of the carriage and has an operative portion that can fully penetrate a work to be cut when the handle axis is inclined at an angle ? relative to a surface of the work. A finger of a user most proximate to the work surface is positionable a distance h above the work surface during normal use of the utility knife, ?l and ? being selected so that the distance ?l is generally greater that 1.0 inch and the angle ? is equal to at least 35°.
    Type: Grant
    Filed: August 21, 2008
    Date of Patent: April 15, 2014
    Inventor: Wen Hao
  • Patent number: 8613144
    Abstract: A spatula having a body with a top working surface and a bottom surface is provided. The spatula body also includes a first end and a second end opposite to the first end. A handle is mounted to the first end of the body and the body has a first mounting member depending from the spatula body proximate the second end of the spatula body. The mounting member has an interior for receiving a mounting portion of the spatula blade and a second open end opposed to the first open end. The spatula body includes an opening in the body for cleaning the mounting member. A blade is provided for the spatula. The blade has a front section having a top surface and a bottom surface. At least a first spring tab extends rearwardly of the front section. The spring tab has a concave surface for one of its top and bottom surfaces.
    Type: Grant
    Filed: March 9, 2010
    Date of Patent: December 24, 2013
    Assignee: Restaurant Technology, Inc.
    Inventor: Sang Chun
  • Patent number: 8584581
    Abstract: The vegetable peeler for separating the peel from fruits and vegetables includes a handle, a tool head or blade mount, and a blade. The handle is configured to be able to receive and store at least one spare cutting blade such that the blade can be removed from the tool head and replaced with a different blade stored in the handle.
    Type: Grant
    Filed: April 2, 2010
    Date of Patent: November 19, 2013
    Assignee: Progressive International Corporation
    Inventor: Heather Curtin
  • Publication number: 20130298409
    Abstract: The present disclosure relates to safety blades for use in utility knives, related assemblies and methods of manufacturing. More specifically, the present disclosure relates to safety blades for use in utility knives, related assemblies and methods of manufacture which limit user exposure to associated cutting edges.
    Type: Application
    Filed: April 19, 2013
    Publication date: November 14, 2013
    Inventors: Matthew Jacobs, Jeffrey Kempker, Orville Crain
  • Patent number: 8567071
    Abstract: A utility knife comprises a blade carrier movable between retracted, extended and positions. A latch is movable with the blade carrier for locking the blade carrier in position. The blade carrier comprises a locking tab movable between a first position where the locking tab is engaged with the blade and a second position where the locking tab is released from the blade. An actuator moves the locking tab from the first position to the second position when the blade carrier is in the intermediate position and the actuator is moved to the unlocked position. The latch is engageable with a holder when the blade carrier is in the intermediate position. A retention member holds the blade on the plate where the retention member cannot be inserted into a notch on the blade. A blade guide guides the blade between the retention member and the plate.
    Type: Grant
    Filed: August 17, 2010
    Date of Patent: October 29, 2013
    Assignee: Irwin Industrial Tool Company
    Inventor: Ralf Strauss
  • Publication number: 20130174426
    Abstract: A clamping device of a reciprocating power tool includes at least one clamping unit, which has at least one working-tool receiving element and has a variation element, disposed on the working-tool receiving element, for varying at least one parameter of the working-tool receiving element. The variation element is movably mounted on the working-tool receiving element and/or has at least two mutually differing working-tool receiving contours.
    Type: Application
    Filed: January 8, 2013
    Publication date: July 11, 2013
    Applicant: Robert Bosch GmbH
    Inventor: Robert Bosch GmbH
  • Patent number: 8458915
    Abstract: A blade holder for smoothing and planing off a substrate comprising a handle, a receiving means including a receiving space for a blade, wherein the blade has a larger blade side surface and a narrow side which is at the rear in a cutting direction and which has a cutting edge, and a positioning aid for positioning the blade holder relative to the substrate, wherein the positioning aid includes a spacer device, by means of which the blade can be arranged in a spaced position in the receiving means in such a way that it can be positioned in spaced relationship with the substrate with its cutting edge for processing the substrate. A method and a blade for the blade holder are also provided.
    Type: Grant
    Filed: December 18, 2008
    Date of Patent: June 11, 2013
    Assignee: Mozart AG
    Inventor: Christoph Wahl
  • Patent number: 8413339
    Abstract: A knife having a body and a slide member slideable in the body. The slide member engages a blade assembly that is arranged to move with the slide member. The slide member is movable to position the blade assembly at a position of use and a release position wherein the blade assembly can be released from the slide member. The slide member is movable to retract the blade assembly into the knife body. The knife also includes an actuator member that can be actuated to move the slide member to a disengaged configuration wherein the blade assembly can be disengaged from the slide member to permit the release therefrom. The positioning of the blade assembly at the release position and subsequent movement of the slide member to the disengaged configuration by actuation of the actuator member releases the blade assembly from the slide member.
    Type: Grant
    Filed: February 3, 2011
    Date of Patent: April 9, 2013
    Assignee: Stanley Black & Decker, Inc.
    Inventors: Eric Ranieri, Stephen Rowlay, Brian Keers
  • Patent number: 8375588
    Abstract: A preferred embodiment of a safety carton cutter comprises a first frame member pivotably connected to a second frame member to form a housing. Inside the housing mounted on the first frame member is a blade receptacle having a latch, a blade carrier, a biasing member and a follower. The follower is adapted to communicate with a cam profile located on a cam in the first frame member. The configuration of the follower and cam profile provides an extending and retracting mechanism that keeps the blade in a constant exposed position before and during the cutting process, and then allows the blade to retract immediately after the cutting process is complete.
    Type: Grant
    Filed: April 27, 2009
    Date of Patent: February 19, 2013
    Assignee: Allway Tools, Inc.
    Inventor: Donald Gringer
  • Patent number: 8272135
    Abstract: A saw blade clamping mechanism includes a saw blade spindle, a support sleeve, a clamping pin, and a rotating sleeve. The spindle has a longitudinal receiving slot and an axial elongate slot. The rotating sleeve has a retaining slot. A movable pin is secured on the rotating sleeve and extends through the elongate slot. A latch pin is fixed on the support sleeve and is held within the retaining slot. The rotating sleeve is movable from a first position to a second position. When the rotating sleeve is in the first position, the latch pin is positioned at an outer end of the circumferential section of the retaining slot and the clamping pin inserts into the longitudinal receiving slot of the spindle to fix a saw blade. When the rotating sleeve is in the second position, the latch pin is positioned at an upper end of the axial section of the retaining slot and the clamping pin retracts from the receiving slot of the spindle to release the saw blade.
    Type: Grant
    Filed: January 3, 2008
    Date of Patent: September 25, 2012
    Assignee: Chervon Limited
    Inventor: Hongtao Zhou
  • Patent number: 8257148
    Abstract: A grinding head of a grinder is provided with a knife assembly that includes a knife holder with a number of arms, each having a knife insert slot, for receiving a matching number of knife inserts. The knife inserts have a blade or cutting edge and a bottom edge. The bottom edge, rather than being a straight edge, is shaped to define a pair of bearing portions that fit within the slot of the knife holder arm and allow the knife insert to be firmly retained in the slot. A recessed area is located between the bearing portions. The recessed area accommodates any imperfections in the floor of the insert slot, and provides a void area within which any material contained within the slot can be received when the knife insert is engaged within the slot.
    Type: Grant
    Filed: January 6, 2009
    Date of Patent: September 4, 2012
    Assignee: Reliance Controls Corporation
    Inventors: E. William Wight, Christopher E. Albrecht
  • Patent number: 8245753
    Abstract: A plurality of hand tools for use in a wide variety of different applications for applying masking tape to various surfaces prior to painting, staining, detailing, sanding and the like wherein one embodiment includes a removably attachable blade member associated with one end portion of the tool and a removably attachable roller member or nudger member associated with the opposite end portion of the tool, and an extension/retraction mechanism for extending and retracting the blade member. Another embodiment of the present hand tool includes a handle member adaptable for receiving any combination of removably attachable roller members, nudger members, and blade members for attachment to the opposite end portions of the handle member. A wide variety of different blade configurations, roller member configurations, and nudger member configurations can be removably attached to the opposite end portions of the present tools.
    Type: Grant
    Filed: January 4, 2007
    Date of Patent: August 21, 2012
    Inventor: Richard R. Haemerle
  • Publication number: 20120180326
    Abstract: A cutter head riveted to a cutter handle of a paper cutter and made by stamping a stainless steel plate into shape is disclosed, having a locking key on a middle part of a back side thereof for locking an inserted cutter blade. The locking key is a self-energizing resilient member having a locking portion for engaging into a locating notch in the top edge of the inserted cutter blade.
    Type: Application
    Filed: August 19, 2011
    Publication date: July 19, 2012
    Inventors: Jin-Song WU, Ye Ma
  • Patent number: 8181352
    Abstract: A surgical blade device similar to a disposable scalpel wherein the blade assembly is easily replaceable is provided. The surgical blade device allows the user to replace a blade assembly during surgery or, after sterilization of the handle and replacement of the blade assembly, reuse the surgical blade device. The surgical blade device disclosed herein further provides for an inexpensive blade assembly replacement device which is simple to operate. That is, the blade replacement device has a limited number of components.
    Type: Grant
    Filed: December 3, 2008
    Date of Patent: May 22, 2012
    Inventors: Howard L. Shackelford, Sr., Howard L. Shackelford, Jr.
  • Patent number: 8117757
    Abstract: A cutter adapter includes a holder having a receiving portion for inserting a cutter therein; a sleeve sleeved onto the holder and having an annular bevel; a lock pin inserted into the holder and having an active end and a passive end, the passive end being squeezed by the annular bevel when the sleeve is moved, the active end being inserted into the cutter when the passive end is squeezed; and a biasing pin located in the receiving portion and pushed by a spring mounted in the receiving portion. In this way, when intending to mount the cutter to the cutter adapter, the user only needs to insert the cutter into the receiving portion to force the biasing pin to disengage from the lock pin, the lock pin being forced by the annular bevel to insert the active end into the receiving portion to hold the cutter.
    Type: Grant
    Filed: April 10, 2009
    Date of Patent: February 21, 2012
    Assignee: Mobiletron Electronics Co., Ltd.
    Inventor: Tung-Chin Kuo
  • Patent number: 8099868
    Abstract: A utility knife having a disposable blade cartridge is presented. The cartridge can include a stem having catches, where the stem can be inserted into an opening of the knife's handle. The cartridge can be releasably attached to the handle by allowing the catches to latch on to a shoulder portion of an opening in the handle. The opening can be defined by the shoulder and a rib that separates the opening from a neighboring opening.
    Type: Grant
    Filed: January 9, 2009
    Date of Patent: January 24, 2012
    Assignee: Votolato Living Trust
    Inventor: Earl Votolato
  • Patent number: 8079395
    Abstract: A quick change knife blade assembly, for use in conjunction with a tape roll dispensing cartridge assembly of a case sealing machine, comprises a knife blade mounted upon a knife blade mounting plate. A pin plate is fixedly connected to mounting pins passing through the knife blade, and springs are interposed between the pin plate and the mounting plate so as to normally bias the pin plate to a position at which the mounting pins prevent the removal of the knife blade from the mounting plate. When the pin plate is depressed against the biasing forces of the springs, the mounting pins are moved so as to permit the knife blade to be removed from the mounting plate.
    Type: Grant
    Filed: February 29, 2008
    Date of Patent: December 20, 2011
    Assignee: Illinois Tool Works Inc.
    Inventors: Bryce J. Fox, William J. Menta
  • Patent number: 8069569
    Abstract: A handle for a utility knife includes a housing made up of two or more portions. In one embodiment, a manually operable member for use in releasing the blade is retained to at least one portion of the housing and does not become separated from the housing when the housing is in an open state. In another embodiment, a catch for engaging the blade extends from a support member that is slidably movable within the housing. In another embodiment, the housing is formed of metal and a nose portion is formed of a metal that is more wear resistant than the rest of the housing, in order to improve the durability of the nose portion.
    Type: Grant
    Filed: August 27, 2007
    Date of Patent: December 6, 2011
    Assignee: Irwin Industrial Tool Company
    Inventors: Donald A. Brown, Kevin Fleury, William B. Korb, Norman LeBlane, Steven R. Levine, Corey M. Talbel
  • Publication number: 20110283543
    Abstract: A utility knife with step extending blade has a housing, a blade seat slidably received in the housing, a blade fixed to the blade seat, an actuator fixed to the blade seat and reciprocally slidable along the housing, a blade seat return spring linking the blade seat and the housing, a step extending control unit, and a blade change means. An extending length of the blade of the utility knife is step regulatable according to different thickness of workpiece, thus decreasing the possibility of break of the blade.
    Type: Application
    Filed: May 21, 2010
    Publication date: November 24, 2011
    Inventor: Yuewei Wu
  • Patent number: 8046926
    Abstract: A saw blade clamping arrangement for a power tool including a housing, a drive shaft mounted for reciprocating motion relative to the housing and having a longitudinal drive axis, and a saw blade releasably interconnected with the drive shaft. The saw blade clamping arrangement includes a blade support mechanism with first and second slots crosswise intersecting slots configured to selectively receive the saw blade in first and second orientations. The clamping arrangement also includes a tubular actuator rotatable about the longitudinal drive axis between an engaged position and a disengaged position, the actuator including a locking cam surface, and a locking member operatively associated with the actuator, and movable between a locked position that selectively locks the blade in one of the first and second orientations and an unlocked position that releases the blade, the locking member including a follower surface driven by the locking cam surface.
    Type: Grant
    Filed: December 6, 2007
    Date of Patent: November 1, 2011
    Assignee: Black & Decker Inc.
    Inventors: Jonathan D. Bigden, Joseph D. Anderson, Brian P. Wattenbach, Michael O'Banion
  • Publication number: 20110197454
    Abstract: A cutter includes a blade, a handle and a cassette. The handle includes a clipping unit including a space defined therein, at least one slot in communication with the space, and cutouts defined in an edge of the slot. The cassette includes a holder, a gate, a button and a key. The holder receives the blade except a tip. The holder is movably located in the space of the clipping unit. The gate is movably supported on the holder and used to keep the blade on the holder. The button is connected to the holder. The key is connected to the button and movable in and along the slot. The holder is retained in position relative to the clipping unit when the key is inserted in a selected one of the cutouts. The holder is movable relative to the clipping unit when the key is removed from the cutouts by pushing the button.
    Type: Application
    Filed: February 17, 2010
    Publication date: August 18, 2011
    Inventor: Min-Zheng ZENG
  • Patent number: 7937840
    Abstract: A knife connector includes a base, a cover, a clamping device and a connecting stub. The base has a holding side, a knife-holding end, a connecting end opposite to the knife-holding end and a holding cavity. The holding cavity is defined in the holding side and has an opening defined in the knife-holding end. The cover is pivotally connected to the base to close the holding cavity. The clamping device is mounted on the base and holding the cover on the base to close the holding cavity. The connecting stub is mounted on the connecting end of the base and has a non-circular cross section and an engaging recess defined around the connecting stub. Accordingly, the knife connector can detachably and changeably connect a blade body to a handle to fit with different kinds of cutting tools.
    Type: Grant
    Filed: September 5, 2008
    Date of Patent: May 10, 2011
    Inventor: Kun-Chen Chen
  • Publication number: 20110061249
    Abstract: A cutting implement with blades that can be replaced or interchanged without using tools. The cutting implement has shock absorbing handles and may also have at least one bumper to reduce the forces transmitted to the user's hands and arms. The cutting implement may be a saw, pruners, lopper, grass shears, hedge shears, or garden shears.
    Type: Application
    Filed: September 13, 2009
    Publication date: March 17, 2011
    Inventors: Man For Ma, Richard Constantine, Ryan Bruce, Yani Deros, Matthew Ibarra
  • Publication number: 20110041345
    Abstract: A cutting tool including a housing provided with a compartment having an opening, a carrier disposed in the compartment and displaceable between extended and retracted positions, a spring for biasing the carrier in the retracted position, a mechanism for displacing the carrier in the extended position, a mechanism for releasably retaining the carrier in the extended position, and the carrier having a nesting surface for a blade whereby a blade nested thereon will project through the compartment opening when the carrier is in the extended position and will be disposed within such compartment when the carrier is in the retracted position.
    Type: Application
    Filed: October 27, 2010
    Publication date: February 24, 2011
    Inventor: Michael Austin
  • Publication number: 20110041346
    Abstract: A chisel with interchangeable blade has a handle, a holding device and a blade. The handle has two ends and a device hole. The device hole is defined in one end of the handle. The holding device is securely mounted in the device hole and has a body. The body is securely mounted in and protrudes out from the device hole and has a connecting end and a connecting hole. The connecting end protrudes out from the device hole. The connecting hole is defined in the connecting end of the body and has a cross section. The blade is detachably mounted on the holding device and has a connecting tang. The connecting tang is detachably mounted in the connecting hole and has a cross section corresponding to that of the connecting hole.
    Type: Application
    Filed: August 24, 2009
    Publication date: February 24, 2011
    Inventor: Kun-Chen CHEN
  • Publication number: 20110041344
    Abstract: A self-loading utility knife including an elongate handle having an internal chamber defining an axis and at one end is flat aperture for the passage of an active blade. The flat aperture defines a cutting plane extending through said handle along the axis. A blade-holder is slidably mounted in the chamber for movements in directions along the axis and is adapted to secure a single active blade for movement through the aperture when the blade holder is in the extended position. A blade-holder release button is coupled to the blade holder and is slidingly movable relative to the handle to move blade holder between retracted and extended positions. The handle has a blade compartment which is open to the chamber and can receive a stack of spare blades when a cover to the compartment is opened and blades can be shifted transversely relative to the axis into the chamber.
    Type: Application
    Filed: June 25, 2010
    Publication date: February 24, 2011
    Inventors: Huang Yuan De, Hao Wen, Brett P. Seber, Wesley James Tom
  • Publication number: 20110030224
    Abstract: A side-push type composite putty knife which comprises a handle and a blade with a rear end of the blade inserted into a blade receiving slot at a front end of the handle. The rear end of the blade has a blade tang which is provided with a fixing notch on a side thereof. A lateral gliding slot which is in communication with the blade receiving slot is disposed at the front end of the handle inside its casing. A latch and a reset spring pressing against a first end of the latch are disposed inside the lateral gliding slot. A pressing part is formed by a second end of the latch which extends outwardly from a side of the casing at the front end of the handle. A pin is disposed at the first end of the latch which presses against the reset spring. When the blade tang is inserted into the blade receiving slot at the front end of the handle, the pin engages with the fixing notch of the blade tang.
    Type: Application
    Filed: August 10, 2009
    Publication date: February 10, 2011
    Inventor: Desheng WANG
  • Publication number: 20110005087
    Abstract: A knife has a pair of housing parts relatively shiftable between an open position and a closed position and a base on one of the housing parts forming a blade seat. A holding arm mounted on the base is movable relative thereto between a blade-holding position retaining a blade in the seat and a blade-change position freeing the blade so that in the blade-change position the blade can be switched. Interengaging formations on the other housing part and on the arm shift the holding arm from the blade-holding position into the blade-change position on movement of the housing parts from the closed position into the open position.
    Type: Application
    Filed: June 2, 2010
    Publication date: January 13, 2011
    Inventor: Wolfgang DOEREN
  • Patent number: 7861418
    Abstract: A reciprocatory saw, in particular, a jigsaw, is made up of a pitman with a chuck arranged for the releasable clamping of a saw blade. The chuck contains a movably mounted chuck jaw arrangement able to be clamped laterally against the saw blade shank, a wedge element arrangement adjacent to and for cooperation with the chuck means, a first spring acting downwardly on the inserted saw blade and a second spring acting on the wedge element arrangement downwardly. The wedge element arrangement is connected with the chuck jaw arrangement in a manner for the transmission of rotary movement and from the outside and is able to be shifted between a bottom clamping position clamping the chuck jaw arrangement against the saw blade shank and a top release position freeing the chuck jaw arrangement. The wedge element arrangement assumes an angular position turned in relation to the clamping position and is seated on a stationary holding face.
    Type: Grant
    Filed: February 8, 2008
    Date of Patent: January 4, 2011
    Assignee: Festool GmbH
    Inventors: Volker Kretschmar, Torsten Reuβ
  • Publication number: 20100325899
    Abstract: The present invention generally relate to a retractable utility knife. In one aspect, a knife is provided. The knife comprising a handle and a utility blade having a top edge, a bottom edge, a first side edge and a second side edge. The knife further comprising a blade holder having a lock assembly for holding the utility blade within the blade holder, wherein the lock assembly is movable between a blade lock position and a blade release position and wherein the lock assembly includes a lock member that engages the first side edge in the blade lock position.
    Type: Application
    Filed: June 24, 2010
    Publication date: December 30, 2010
    Inventors: Brett P. Seber, Wesley J. Tom
  • Publication number: 20100299935
    Abstract: A utility knife having a handle and a blade holder which is pivotally mounted on the handle for movement from an unfolded position to a folded position. The handle has a space adapted to receive the blade holder when the blade holder is in its folded position. The blade holder includes a main wall and guard wall mounted together and adapted to receive a blade therebetween and a locking lever pivotally mounted on the blade holder to lock the blade in place.
    Type: Application
    Filed: August 6, 2010
    Publication date: December 2, 2010
    Inventor: Qiu Jian Ping
  • Publication number: 20100269352
    Abstract: A preferred vegetable peeler includes a handle and a tool head, with the tool head being configured to removably hold a blade. The blade may be formed in any of a variety of ways, including a standard straight peeling blade, a serrated or scalloped blade, or other configurations. The tool head or blade holder in accordance with the present invention includes two branches extending away from a proximal end of the handle in order to hold the blade at an angle that is preferably substantially perpendicular to the handle. A cavity in the handle is configured to store one or more replacement blades.
    Type: Application
    Filed: April 2, 2010
    Publication date: October 28, 2010
    Applicant: PROGRESSIVE INTERNATIONAL CORPORATION
    Inventor: Heather Curtin
  • Publication number: 20100263214
    Abstract: A folding utility knife with a blade lock and release mechanism is provided, and the knife comprises: a handle pivotally connected to a blade holding compartment, the handle comprising at least two side walls forming a space, the space of the handle is designed to encase at least a portion of the blade holding compartment during a folded position, the blade holding compartment comprising at least one side wall having at least two internal cavities, the first cavity for holding a blade with at least two indentations, at least a portion of the blade holding compartment designed to be situated within the space of the handle during a folded position, the blade holding compartment comprises a front end, a rear end and a faceplate for covering the internal cavities, the front end of the blade compartment holder and at least a portion of the faceplate forming an opening at the front end of the blade holding compartment which allows a portion of the blade to protrude from the blade holding compartment; and a blade lo
    Type: Application
    Filed: April 9, 2010
    Publication date: October 21, 2010
    Inventors: Glenn Robinson, Michael Martinez
  • Publication number: 20100263217
    Abstract: A food mincer assembly comprises a handle assembly, a retractable blade cover, and a plurality of blades. The handle assembly has a first side and a second side. The first side has a first through hole and the second side has a second through hole. The retractable blade cover has a cover portion, a lock, and a connecting arm. The connecting arm attaches the blade cover to the handle assembly. The lock secures the blade cover in a first position or a second position. The plurality of blades attach to the handle assembly. The first position of the retractable blade cover covers the plurality of blades. The second position of the retractable blade cover exposes the plurality of blades.
    Type: Application
    Filed: April 15, 2010
    Publication date: October 21, 2010
    Inventors: Anthony Baxter, Alberto Mantilla, Marisol Rodriguez, Lucas Wade, Robert Nightingale, Jason Liang
  • Publication number: 20100266359
    Abstract: The invention concerns a blade holder for smoothing and planing off a substrate comprising a handle, a receiving means including a receiving space for a blade, wherein the blade has a larger blade side surface and a narrow side which is at the rear in a cutting direction and which has a cutting edge, and a positioning aid for positioning the blade holder relative to the substrate, wherein the positioning aid includes a spacer device, by means of which the blade can be arranged in a spaced position in the receiving means in such a way that it can be positioned in spaced relationship with the substrate with its cutting edge for processing the substrate. The invention further concerns a method and a blade for the blade holder.
    Type: Application
    Filed: December 18, 2008
    Publication date: October 21, 2010
    Applicant: MOZART AG
    Inventor: Christoph Wahl
  • Publication number: 20100263219
    Abstract: A tool includes an elongated handle with an end recess and a side notch for latching, and a plurality of different replaceable heads. Each replaceable head includes an elongated rectangular section shaped to fit stably into the recess for providing torsional and lateral support, an operative end, and a latch releasably engaging the side notch to retain the head in the recess. The different heads can include different operative ends with structure for providing different operative functions, such as a head with oppositely-positioned partially-shielded blade tips and/or with different blade throat sizes, a head with pizza-cutting wheel, a head with hammer or wrench feature, and the like.
    Type: Application
    Filed: November 18, 2009
    Publication date: October 21, 2010
    Inventors: Jeffrey A. Kempker, Orville V. Crain, Matthew Jon Jacobs