With Means For Step-by-step Jaw Movement Patents (Class 81/314)
  • Patent number: 11623328
    Abstract: A tool and method of operating the tool is provided. The tool includes a first jaw, the first jaw arranged to rotate about a first pivot. A second jaw is arranged adjacent the first jaw, the second jaw arranged to rotate about a second pivot. A first cam member is rotatable about an axis, the first cam member being operably coupled to second jaw. A second cam member is rotatable about the axis, the second cam member being operable coupled to the first jaw. At least one movable handle is operably coupled to the first cam member and the second cam member. A clutch is operably coupled to the first cam member and the second cam member, the clutch being configured to allow free-rotation in first direction about the axis and prevent rotation in an opposite second direction.
    Type: Grant
    Filed: November 10, 2021
    Date of Patent: April 11, 2023
    Assignee: Oetiker Tool Corporation
    Inventors: Daniel Myers Dietiker, Scott Wetzel
  • Patent number: 10368871
    Abstract: The present application is directed to an endoscopic closure device. The endoscopic closure device adapted to be delivered by an endoscope having an axis. The endoscopic closure device includes a pair of grasping members coupled by a support member that extends between the grasping members along the direction of the axis. The endoscopic closure device is configured to align and deploy along the axis of the endoscope accessory channel.
    Type: Grant
    Filed: July 17, 2012
    Date of Patent: August 6, 2019
    Assignee: UNIVERSITY HOSPITALS OF CLEVELAND
    Inventor: John A. Dumot
  • Patent number: 9592589
    Abstract: The present invention discloses a pair of adjustable pliers comprising a first handle having a first gripping part arranged at the front end thereof and a second handle having a second gripping part arranged at the front end thereof. The first gripping part and the second gripping part forms a jaw span, and the first handle and the second handle are arranged in an intersectional manner and relatively fixed via a connecting mechanism, characterized in that, the second handle is provided with an elongated rack slot at a position of the connecting mechanism and the rack slot is provided with a toothed rack on a inner side part thereof. The connecting mechanism comprises a toothed block and a link mechanism, the toothed block is arranged inside the rack slot and engaged with the toothed rack of the rack slot, and the link mechanism connects with the toothed block, drives the toothed block to rotate and disengages from the rack slot.
    Type: Grant
    Filed: December 6, 2013
    Date of Patent: March 14, 2017
    Assignees: HANGZHOU GREAT STAR TOOLS CO., LTD, HANGZHOU GREAT STAR INDUSTRIAL CO., LTD
    Inventor: Min Wang
  • Patent number: 9010221
    Abstract: Hand pliers for assembly purposes includes an assembly limb and a handle limb rotatably connected to one another via a first link joint. The handle limb is divided into an off-handle lever and a handle-near lever and these two levers are rotatably connected to one another by a bolt via a second link joint, wherein a tension wheel and a ratchet wheel with external toothing connected torsionally proof to it are pivotably arranged on the bolt side by side in axial direction, and the tension wheel engages into a tension device that connects both handle limbs to one another, and a spring-loaded dog ratchet is arranged at the handle-near lever, engaging into the ratchet wheel in such a manner that when the handle-near lever makes a latching movement it permits a rotation of the ratchet wheel on closing the pliers, but prevents its rotation in the opposite direction.
    Type: Grant
    Filed: October 22, 2010
    Date of Patent: April 21, 2015
    Assignee: Vulkan Lokring-Rohrverbindungen GmbH & Co. KG
    Inventor: Rainer Neumann
  • Patent number: 8506590
    Abstract: The present invention relates to surgical clamps and clamp devices that provide a handle-free surgical field. The clamp jaws may be opened or closed by a rotationally or translationally moveable drive element that may be actuated from a position proximal or distal to the jaws. The surgical clamps may also be deployed using a clamp applier which slidably engages the clamp along a wire to releasably attach itself to the clamp.
    Type: Grant
    Filed: December 15, 2008
    Date of Patent: August 13, 2013
    Assignee: Intuitive Surgical Operations, Inc.
    Inventors: Adam Gold, David J. Danitz
  • Publication number: 20120247283
    Abstract: The invention relates to a hand pliers for assembly purposes, more particularly for the assembly of pipe connections at pipe systems, the pliers comprised of two limbs which are rotatably connected to one another via a first link joint (1) and which by means of this link joint (1) are divided into an assembly limb and a handle limb (2,3), wherein the first handle limb (3) is divided into an off-handle lever (14) and into a handle-near lever (15) and wherein these two levers (14, 15) are rotatably connected to one another by means of a bolt (16) via a second link joint, wherein a tension wheel (17) and a ratchet wheel (18) with external toothing (27) connected torsionally proof to it are pivotably arranged on the bolt side by side (16) in axial direction, and wherein the tension wheel (17) engages into a tension means (20) that connects both handle limbs (2,3) to one another, and wherein a spring-loaded dog ratchet (25) is arranged at the handle-near lever (15), the dog ratchet engaging into the ratchet wheel
    Type: Application
    Filed: October 22, 2010
    Publication date: October 4, 2012
    Applicant: VULKAN LOKRING-ROHRVERBINDUNGEN GMBH & CO. KG
    Inventor: Rainer Neumann
  • Patent number: 8020740
    Abstract: An effort-saving stapler includes a first activating mechanism including a first connecting section and an abutting ridge, and a second activating mechanism including a ram and an arm including a second connecting section pivotally connecting to the first connecting section at a fulcrum point “A”. The stapler further includes a pushing mechanism including a third connecting section, an anvil, and an abutting ridge contacting with the abutting edge of the first activating mechanism, and with these two abutting ridges defining a contact point “B”. The stapler further includes a magazine including a fourth connecting section pivotally connected to the third connecting section at a second fulcrum point “C”. The fulcrum point “A”, contact point “B” and fulcrum point “C” are in a straight line when bending legs of the staples for closing the staples in an effort-saving way.
    Type: Grant
    Filed: February 12, 2010
    Date of Patent: September 20, 2011
    Assignee: Apex Mfg. Co., Ltd.
    Inventor: Ching-Li Wang
  • Patent number: 7093518
    Abstract: A tool for tensioning loosening, and opening spring-type clamping elements with two radially outward-projecting actuating arms, the tool including a hand-operable actuating part, a Bowden cable having a bore and a sheath, the Bowden cable being connected to the actuating part, and a tensioning part with two jaws which are able to move relative to each other. Each of the jaws is configured to act on one of the actuating arms, a first one of the jaws being connected to the core, and a second one of the jaws being connected to the sheath of the Bowden cable so that the jaws can be brought toward each other and thus execute a tensioning movement. The actuating part includes a device for automatically locking in a tensioning stroke and a device for feeding the Bowden cable.
    Type: Grant
    Filed: May 23, 2001
    Date of Patent: August 22, 2006
    Inventor: Engelbert Gmeilbauer
  • Patent number: 6634258
    Abstract: A manual trigger actuated automotive hose clamp release mechanism includes a flexible cable in a flexible tube. The cable and tube are attached respectively to opposed jaws designed to engage the end tabs of an automotive hose clamp and effect release of the hose clamp in response to movement of the cable relative to the tube. Mechanical advantage is gained by use of the manual trigger mechanism connected to the tube and cable in a manner enabling movement of the telescoping cable relative to the tube through which the cable extends thereby effecting movement of the jaws to release a hose clamp.
    Type: Grant
    Filed: May 30, 2002
    Date of Patent: October 21, 2003
    Assignee: Lisle Corporation
    Inventors: James L. Pool, Michael L. Whitehead
  • Patent number: 6336386
    Abstract: A plier device includes two longitudinal elements pivotally secured together with a middle pivot shaft, and each having a handle member and a jaw member. A ratchet device is disposed in one of the longitudinal elements. A follower is rotatably disposed in the other longitudinal element and has a pawl detachably and adjustably actuated to engage with the ratchet device for adjusting the opening size of the jaw members. A knob is slidably engaged on the other longitudinal element and has an actuator engaged with the follower to force the pawl to engage with the ratchet device.
    Type: Grant
    Filed: July 21, 2000
    Date of Patent: January 8, 2002
    Inventor: Yung Jen Lee
  • Patent number: 6240815
    Abstract: A workpiece clamping device is formed of a first handle and a second handle which is pivoted with the first handle by a pivot in conjunction with a torsion spring. The first and the second handles are provided with a clamping portion having a head end. The head end is provided with a spherical cavity and a spring for fastening a clamping block which can be adjusted in angle and surface to facilitate the clamping of workpieces of various dimensions. The first and the second handles are provided in the pivoting portions thereof with a ratchet for providing a retaining mechanism so as to hold securely a workpiece. The workpiece is let go by a press block which causes the disengagement of the ratchets.
    Type: Grant
    Filed: May 30, 2000
    Date of Patent: June 5, 2001
    Inventor: Chun-Nuan Huang
  • Patent number: 5596800
    Abstract: A crimping tool for connecting a cable fitting to the end of a coaxial cable is made up of one or more die members having tapered die surfaces, a chuck which is axially spaced from the die surfaces to support the fitting in loosely assembled relation to the end of the cable, and a handle operates through a ratchet mechanism to cause axial movement of the chuck toward and away from the die surfaces and axially force the fitting into the die cavity so as to uniformly reduce the circumference of one end of the fitting into a generally conical configuration snugly engaging the cable.
    Type: Grant
    Filed: January 26, 1995
    Date of Patent: January 28, 1997
    Assignee: Cable Ready, Inc.
    Inventors: Randall A. Holliday, Donald Kesinger
  • Patent number: 5511314
    Abstract: A pair of garden shears comprises a fixed jaw, a movable jaw, a rocking arm fastened pivotally with the fixed jaw, a connection rod pivoted with the rocking arm, and a fastening cover fastened at the open end thereof with the rocking arm and provided at the closed end thereof with a pin engageable at one end thereof with a tension spring by which a spindle of the connection rod is caused to move so as to be retained in the grooves of a toothed retainer of the movable jaw when the fixed jaw and the movable jaw work against each other to bring about a shearing action.
    Type: Grant
    Filed: June 16, 1995
    Date of Patent: April 30, 1996
    Inventor: Shoei-Shin Huang
  • Patent number: 5351584
    Abstract: A plier tool for single-handed manipulation to automatically adjust the tool jaws to positions of positive gripping and holding of any size workpiece within the jaw range has major body members constructed from laminations, providing a tool capable of exerting a balanced force on a workpiece. The construction of the tool also lends itself to automated and relatively inexpensive production and enables the user to quickly replace springs necessary for the function of the tool without requiring complete tool disassembly.
    Type: Grant
    Filed: March 25, 1993
    Date of Patent: October 4, 1994
    Inventor: William A. Warheit
  • Patent number: 5231763
    Abstract: Mechanical force transmission for a hand tool having a pivot lever or the like which is adapted to be brought into engagement intermittently with a tool member to be driven and acting on a rod-like or tubular workpiece and a handle connected to the other tool member, the pivot lever being connected at one end via a joint to a rocker and on pivoting engaging with its end face arranged at the end indirectly or directly on the tool member to be driven.
    Type: Grant
    Filed: April 1, 1992
    Date of Patent: August 3, 1993
    Inventor: Friedrich-Gunther Laux
  • Patent number: 4905350
    Abstract: A tool, particularly a hand tool for opening clams, in which opposed jaw elements are incrementally pivoted closer together by successive opening and closing of handle elements, one fixed to one jaw element and the other pivoted to the other jaw element, with a toggle arm between the handle elements acting as a pawl to advance along ratchet teeth on one of the handle elements.
    Type: Grant
    Filed: May 24, 1989
    Date of Patent: March 6, 1990
    Inventor: Irving Gardner
  • Patent number: 4651598
    Abstract: Utility pliers for single-handed manual manipulation which will automatically adjust to positions of positive gripping and holding of any size workpiece within the size range defined by the maximum opening between the jaws of the pliers.
    Type: Grant
    Filed: September 26, 1984
    Date of Patent: March 24, 1987
    Inventor: William A. Warheit
  • Patent number: 4221048
    Abstract: A hand-grip tool for cutting, crimping, swaging or gripping is disclosed, having a multi-stroke action provided by a ratchet and pawl operating arrangement whereby sufficient mechanical advantage to permit one-handed performance of heavy duty tasks can be achieved.
    Type: Grant
    Filed: April 28, 1978
    Date of Patent: September 9, 1980
    Assignee: National Research Development Corporation
    Inventor: Thomas S. Parramore
  • Patent number: 4156959
    Abstract: An expander device, particularly for use in expanding springs, piston rings, circlips and similar objects, comprises a support member and an actuating member which are pivotally connected to one another and equipped with handgrip portions. A pair of expanding jaws is mounted on the support member for pivoting in a plane which is parallel to the axis of pivoting of the actuating member relative to the support member. A transmission converts the pivoting of the actuating member into spreading apart of the jaws, the transmission including a ratchet mechanism which includes a toothed rack mounted on a guide track for movement in the frontward direction of the device, a transporting pawl which is actuated by the actuating member so as to engage the teeth of the rack and to move the latter, and an arresting pawl which arrests the rack against movement in the rearward direction of the support member.
    Type: Grant
    Filed: December 17, 1975
    Date of Patent: June 5, 1979
    Inventor: August Weisenburger
  • Patent number: 4062218
    Abstract: An appliance for cutting or otherwise deforming rod-shaped workpieces, e.g. wires, has an elongate tool body with an intermediate portion to which an actuating member or handle is pivotally connected at a first fulcrum. An extremity of the tool body, extending beyond that first fulcrum, carries a first jaw and terminates in a tip to which an arm carrying a coacting second jaw is articulated at a second fulcrum. The opposite end of the arm is rigid with or hinged to an arcuate rack, centered on the second fulcrum, whose teeth are engageable by a stepping pawl on the handle to drive the jaws closer together when the handle is swung in a predetermined sense relative to the tool body.
    Type: Grant
    Filed: October 15, 1976
    Date of Patent: December 13, 1977
    Assignee: Pressmaster AB
    Inventor: Hans Wiener
  • Patent number: RE30613
    Abstract: A shearing tool for synthetic resin tubes, in which a lower jaw is connected to the leading end of an upper handle portion, a lower handle portion is pivoted to said lower jaw at its leading end, an opening is provided in forward portion of said upper handle portion extending therefrom to the leading end of said lower jaw, an arcuate tube receiving recess is provided in the upper surface of said lower jaw, said shearing blade is pivoted in an intermediate position of the length to said upper handle portion within said opening, said shearing blade is provided at the rear and lower end with an engaging pawl, a rocking bar having notches in the upper surface is pivoted at one end to the leading end of a lower handle portion, a slot is provided in the rear portion of said shearing blade, a connection link has at one end a pin freely received within said slot and is pivoted at the other end to an intermediate position of the length of said rocking bar, a spring is provided for urging said rocking bar against said
    Type: Grant
    Filed: April 6, 1979
    Date of Patent: May 19, 1981
    Assignee: Matsuzaka Iron Works, Inc.
    Inventors: Masahiko Nakamura, Hidehiko Itou