Detachable Blade Patents (Class 30/236)
  • Patent number: 8898911
    Abstract: A cutting tool utilizing a replaceable blade has a body which defines a blade-accepting pocket having an interior within which the body of the blade is nestingly accepted when inserted within the pocket and for releasable securement of the blade within the blade-accepting pocket. Furthermore, the blade-accepting pocket includes an abutment surface against which a surface of the blade body bears against when the cutting edge of the blade is moved into cutting engagement with an item being cut with the tool.
    Type: Grant
    Filed: April 28, 2011
    Date of Patent: December 2, 2014
    Assignee: iTool Equipment Holding LLC
    Inventors: David S. Jordan, Michael C. Jordan
  • Patent number: 8701294
    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: Grant
    Filed: September 13, 2009
    Date of Patent: April 22, 2014
    Assignee: Acme United Corporation
    Inventors: Ryan Bruce, Richard Constantine, Yani Deros, Matthew Ibarra, Man For Ma
  • Patent number: 8327548
    Abstract: A multi-function blade-and-anvil type cutting tool that uses standard type razor blades includes a blade-and-anvil section connected to a first handle portion and a non-tool blade holder and a blade clamp assembly connected to a second handle portion. The standard blades are able to be changed with out tools when the first and second handle portions are moved from a first open position to a second open position to allow the blade holder and the clamp assembly to pivot with one another causing a screw and O-ring latch to move away from a latching slot in the second handle portion. This movement positions the razor blade between the screw and O-ring latch and a blade clamp guide element for easy removal. Each handle portion having a gripping cover disposed thereon. One of the handle portions has a sliding storage tray disposed therein for storing replacement razor blades.
    Type: Grant
    Filed: July 17, 2009
    Date of Patent: December 11, 2012
    Inventor: John S. Ronan
  • Patent number: 8109003
    Abstract: Pruning shears include a first arm including a first handle and a jaw including a first tab; a first blade including a cutting edge and an ear opposite the cutting edge and having a first through hole wherein the first arm and the first blade are secured together by inserting the first tab into the first through hole; a second arm including a second handle and a joining section; a second blade secured to the joining section; a pivot joint for pivotably securing the first arm to the second arm; and a torsion spring positioned between the first arm and the second arm. The torsion spring exerts an expansion force to push the first arm and the second arm apart from each other.
    Type: Grant
    Filed: October 26, 2009
    Date of Patent: February 7, 2012
    Assignee: Success & Tech Industrial Co., Ltd.
    Inventor: Mei-Chih Liu
  • Patent number: 7607231
    Abstract: A multipurpose tool includes bypass shears with handles that fold around the shears into a compact configuration in which the blades of the shears are hidden. A sharp-edged cutter is removable from the shears for resharpening or replacement, in one version of the tool. A blade safety lock holds the blades closed and is automatically engaged as the handles are folded. The handles are comfortably shaped and may include overmolded elastomeric cushioning portions.
    Type: Grant
    Filed: August 8, 2005
    Date of Patent: October 27, 2009
    Assignee: Leatherman Tool Group, Inc.
    Inventors: Glenn A. Klecker, John P. Nenadic
  • Patent number: 7596870
    Abstract: A multipurpose tool includes bypass shears with handles that fold around the shears into a compact configuration in which the blades of the shears are hidden. A sharp-edged cutter is removable from the shears for resharpening or replacement. A blade safety lock holds the blades closed and is automatically engaged as the handles are folded. The handles are comfortably shaped and may include overmolded elastomeric cushioning portions.
    Type: Grant
    Filed: March 2, 2004
    Date of Patent: October 6, 2009
    Assignee: Leatherman Tool Group, Inc.
    Inventors: Glenn Klecker, Benjamin C. Rivera
  • Patent number: 7246442
    Abstract: A hair-trimming tool including a tool body having a pair of hair-bunch supporting pieces whose tip ends can open and close, a connecting portion which connects base ends of the hair-bunch supporting pieces, a protruding portion protruding from the connecting portion in a direction substantially perpendicular to an opening/closing direction of the hair-bunch supporting pieces, cutting element provided on at least one of the inner opposing surfaces of the hair-bunch supporting pieces along a longitudinal direction thereof, wherein the cutting element is disposed substantially in parallel to a scalp in a cut-starting attitude where a tip end of the protruding portion comes into contact with the scalp, and a holding element provided on a surface of the hair-bunch supporting piece opposed to the scalp in the cut-starting attitude to hold the lower side of a hair-bunch at a given angle to the scalp.
    Type: Grant
    Filed: May 25, 2004
    Date of Patent: July 24, 2007
    Inventor: Takanori Tanaka
  • Patent number: 7204021
    Abstract: Upper and lower handle members are pivotally attached at one end. Crimper jaws are operated via the handles. The upper handle carries a guide assembly to mount the blade, and operate the cutting mode using an upper handle cradle. Other accessories include a hole punch, a nut driver, a rivet remover and a hammer.
    Type: Grant
    Filed: October 21, 2005
    Date of Patent: April 17, 2007
    Inventors: Eric M. Houseman, Ronald A. Angstead, Brent W. Murray, Patrick M. Bertsch
  • Patent number: 6883239
    Abstract: A hair-trimming device is disclosed. The device comprises a substantially U-shaped member having a first handle portion and a second handle portion and an elastic portion alloy the first handle portion and the second handle portion to elastically separated; a pair of razor-fastener connected to the ends of the first and second handle and one lateral edge of the razor fastener being longitudinally mounted with razor with protective cover; and a stop mounted across the first handle and the second handle such that the handles are restricted to open to an excessive scope.
    Type: Grant
    Filed: August 29, 2003
    Date of Patent: April 26, 2005
    Inventor: Fumihiko Sato
  • Patent number: 6625888
    Abstract: A pruning device includes a blade mounting jaw and an opposing jaw. A blade is removably mounted on a blade mounting portion of the blade mounting jaw to cut vegetation positioned between the jaws as the jaws are closed. A blade retainer is movable between a blade retaining and blade releasing positions with respect to the blade mounting portion and has a forward blade engaging portion. In its blade retaining position, the blade retainer secures the blade to the blade mounting portion. A forward edge portion of the blade is received between the forward blade engaging portion and the blade mounting portion. A rearward blade engaging structure and the blade mounting portion support a rearward portion of the blade. In its releasing position, the blade retainer releases the blade for replacement. Grip portions are operatively connected to the jaws to open and close the jaws.
    Type: Grant
    Filed: October 2, 2001
    Date of Patent: September 30, 2003
    Assignee: Ames True Temper, Inc.
    Inventors: Edward Heck, Michael McBride, Bryan Ritchie
  • Patent number: 6317987
    Abstract: Disclosed is a scissor. The scissor comprises a pair of gripping sections integrally coupled with each other at one ends thereof; a pair of blade sections formed at the other ends of the pair of gripping sections, respectively; and a pair of safety plates securely fastened to outer surfaces of the pair of blade sections, respectively, for separating fabric or sheet material from the pair of blade sections.
    Type: Grant
    Filed: March 15, 2000
    Date of Patent: November 20, 2001
    Inventor: Jin Gu Joung
  • Patent number: 5353505
    Abstract: A pair of grip scissors comprises a generally U-shaped spring member integrally made of a resin and a pair of blade members attached to the respective free ends of the spring member. The respective free ends of the spring member are provided with an opposed pair of stoppers bulging toward each other. The respective stoppers come into stopping abutment with each other when the spring member is manually gripped. Each stopper has a mounting side face directed away from the mounting side face of the other stopper, and each blade member has a connecting portion attached laterally to the mounting side face of the corresponding stopper.
    Type: Grant
    Filed: August 12, 1993
    Date of Patent: October 11, 1994
    Assignee: Clover Mfg. Co., Ltd.
    Inventor: Hidekazu Okada