With Means For Parallel Movement Of Work-engaging Surfaces Patents (Class 81/352)
  • Patent number: 11926025
    Abstract: A plier assembly comprising first and second handle assemblies each comprising a frame assembly, a support block, a tip assembly, a proximal pin, and a distal pin. A main hinge assembly supports the second handle assembly for movement relative to the first handle assembly. The proximal openings are sized and dimensioned such that, as the second handle assembly moves relative to the first handle assembly, longitudinal axes of the support block are substantially parallel.
    Type: Grant
    Filed: October 5, 2021
    Date of Patent: March 12, 2024
    Assignee: Tiger Tool International Incorporated
    Inventor: Michael Andrews
  • Patent number: 11826888
    Abstract: Embodiments of the current invention relate to a pliers wrench. Optionally, the jaws of the pair of pliers lock to an adjustable gap size and/or the gap between the jaws is aligned with a rotational axis of the pair of pliers. For example, there may be two jaws that adjust symmetrically around the rotational axis. In some embodiments, each jaw is closed toward an opposing jaw by a lever. Optionally, a locking mechanism locks the jaw when it reaches half the gap width from the rotational axis. Optionally, each jaw is closable independently of the other jaw. Optionally, a notch in the jaws forms an angle for clasping a bolt perpendicular to an axis of the device. For example, the notch may have a 120 angle.
    Type: Grant
    Filed: January 8, 2019
    Date of Patent: November 28, 2023
    Inventor: Asaf Solomon
  • 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: 7637184
    Abstract: A dust-collector locking/unlocking device to lock or unlock a dust-collector removably mounted in a cleaner body. The dust-collector locking/unlocking the device includes a first member and a second member connected with a lower portion of the first member and serving as a cover for the dust-collector. The first member includes a first hook that is rotatably connected with an upper wall of the cleaner body, a manipulation lever that protrudes from an outer circumference of the first member for rotation of the first member by a user, and first cam parts formed on a lower portion of the first member. The second member includes a second hook movably connected with guide cams formed on the first member, and second cam parts engaged with the first camp part. The second member is moved up and down by the rotational movement of the manipulation lever and thereby lock or unlock the dust-collector.
    Type: Grant
    Filed: February 8, 2006
    Date of Patent: December 29, 2009
    Assignee: Samsung Gwangju Electronics Co., Ltd.
    Inventors: Joo-sung Moon, Dong-hun Yoo
  • Patent number: 6551316
    Abstract: A selective compression and distraction instrument useful in manipulating bone, such as a person's spine during surgery. There are two handle sections and one jaw section. One handle section produces a compression action and the other produces a distraction action. The user determines which action to apply, and then selects the appropriate handle section which is releasably attached to the one jaw section. The jaw section is arranged to have two tips, and the jaw section moves the tips in a parallel relationship toward and away relative to each other. The tips are releasably and interchangeably attachable to the jaw section, and they provide selective spacing of tip blades from each other.
    Type: Grant
    Filed: March 2, 2001
    Date of Patent: April 22, 2003
    Assignee: Beere Precision Medical Instruments, Inc.
    Inventors: James A. Rinner, Michael A. Jordan
  • Patent number: 6477884
    Abstract: A lightweight, versatile device is provided that can change from a hand held device to a bench top device that reshapes the broken end of a reciprocating saw blade and punches the necessary hole in said blade, thus allowing the blade to be reused.
    Type: Grant
    Filed: May 18, 2001
    Date of Patent: November 12, 2002
    Inventor: Kenneth Berntsen
  • Patent number: 6427565
    Abstract: A plier comprising a first handle member and a second handle member, each of said handle member having a jaw portion, an intermediate portion and a hand grip portion, the second handle member comprises a movable hand grip portion and a movable jaw portion and the first handle member comprises a stationary jaw portion and a stationary hand grip portion with the movable jaw portion and the movable hand grip portion being separate from each other. The moveable jaw portion having a tail pivotally mounted to the intermediate portion of the moveable second handle member. The intermediate portion of the second handle member being pivoted to the intermediate portion of the first handle member. A linkage having one end pivotally attached to the tail and its other end being pivotally attached to the intermediate portion of the first handle member.
    Type: Grant
    Filed: November 14, 2000
    Date of Patent: August 6, 2002
    Assignee: Great Neck Saw Manufacturers, Inc.
    Inventor: Qiu Jian Ping
  • Patent number: 5520040
    Abstract: A tool with two shanks and two handles, where the shanks are pivoted in a shank fulcrum which is located rearwardly of the handle fulcrum. In a preferred embodiment, the shank and handle fulcrum are spaced at a distance equal to at least a third of the total length of the tool so that a near-parallel position of the front ends of the shanks is achieved in a final phase of their closing movement.
    Type: Grant
    Filed: July 14, 1994
    Date of Patent: May 28, 1996
    Assignee: Weidmuller Interface GmbH & Co.
    Inventor: Lennart Pettersson
  • Patent number: 5511453
    Abstract: A pliers for mounting purposes has two plier portions pivotably connected by a first pivot connection. Each plier portion has a jaw base body and a grip of a length that is a multiple of the length of the jaw base body. A first grip is divided into a first and second section. The first section, shorter than the second section, is located between the jaw base body and the second section. A second pivot connection pivotably connects the first and second sections and has a pivot bolt extending parallel to the pivot axis of the first pivot connection. A sprocket wheel and a ratchet wheel are rotatably connected to the pivot bolt and fixedly connected to one another. A chain connected to the second grip is guided across the sprocket wheel to the second section and extends in the longitudinal direction toward a tension spring at which it is fastened. A spring-biased follower pawl is connected to the second section such that upon closing the second section sprocket wheel and ratchet wheel rotate to close the pliers.
    Type: Grant
    Filed: August 19, 1994
    Date of Patent: April 30, 1996
    Assignee: Vulkan Lokring GmbH & Co. KG
    Inventors: Rainer Neumann, Dieter Schwalm
  • Patent number: 5469765
    Abstract: An adjustable wrench has jaws (1, 2) which automatically lock up when a predetermined force is applied to the handgrips (2, 3). The jaws (1 and 2) are closed by forcing together hand grips (3 and 6) which holds pivot F against rubber stop (8) mounted in the housing (9), which in turn is mounted on brace arm (7); pivot D is moved towards brace (7), thus straightening line CDE and rotating jaw (2) and pivot C anti-clockwise about pivot B. When the jaws close on to a workpiece W, resistance is met and further movement of D towards arm (7) is arrested in favor of the over-center linkage arms (4 and 5) whereupon eccentric cam (11) locks rod (10) against anvil (12) thus holding jaw (2). The over-center lock on the hand grip (6) locks and is prevented from going further than just over-center by a stop G which bears on to the inside of the hand grip.
    Type: Grant
    Filed: December 23, 1993
    Date of Patent: November 28, 1995
    Inventor: Michael J. Franklin
  • Patent number: 5456144
    Abstract: A pair of locking pliers includes a body having a fixed jaw that supports a fixed extension. A movable jaw is pivotably mounted to the body by a hinge pin, and the movable jaw includes a movable extension. An operating lever is pivotably mounted to the movable jaw to close the movable jaw, and the movable jaw is shaped such that the movable extension slides along the fixed extension as the movable jaw is pivoted closed with the operating lever in order to provide an axial clamping action.
    Type: Grant
    Filed: January 11, 1994
    Date of Patent: October 10, 1995
    Assignee: Petersen Manufacturing
    Inventors: Raymond Dahl, Francis Barnes, Anthony Fuller, Joseph Sorensen
  • Patent number: 5249490
    Abstract: An adjustable wrench having a pair of spring-biased pivoted handles and a plurality of jaw members having fastener-contacting faces actuable by squeezing motion of the handles to close upon a range of sizes of hexagonal fastener members.
    Type: Grant
    Filed: August 17, 1992
    Date of Patent: October 5, 1993
    Inventor: George W. Kennel
  • Patent number: 5176048
    Abstract: An improved plier tool having a pair of crossed handle members each having a jaw at one end. The first of said handle members having a circular bore therethrough with the bore having an inner surface providing a first cam surface. A first disc-shaped cam positioned within this bore for rotation. The first cam further having an axle pin eccentrically mounted to the first cam and fixedly mounted to the second of said handle members. Further, a guide cam pin carried by the first handle member is positioned in spaced apart relation to the bore carrying the disc-shaped cam. A slot formed in the second member is spaced apart from the axle pin and is positioned to receive the guide cam pin. The slot having a second and third cam surface for bearing against the pivot pin.
    Type: Grant
    Filed: March 29, 1990
    Date of Patent: January 5, 1993
    Inventors: Matthew B. Jore, Kenneth D. Richardson
  • Patent number: 5154721
    Abstract: Apparatus for fixing identification tags on animals, composed of two symmetric parallel sections, each of which has, in its central part, a gap, both sections being connected to each other by means of rectangular metal strips that have the same form, overlapping and crosswise to each other, these being connected by a pin which carries a spring the ends of which are fixed to pins which connect the metal strip to the corresponding section of the apparatus in a rotatable manner, mentioned metal strips having, at their opposite ends, "L"-shaped gaps which have pins perpendicular to the sides of the corresponding section, that go through mentioned sides, and are fixed to the sides in such a manner as to, when the two sections close upon closing the handle ends of the apparatus, the tag is closed, at which instant the corresponding pins reach the juncture of the two sides of the "L"-shaped gap, the pin afterwards proceeding up the shorter leg of the "L"-shaped gap as pressure is maintained on the handles, resulting
    Type: Grant
    Filed: August 27, 1990
    Date of Patent: October 13, 1992
    Inventor: Francisco S. Perez
  • Patent number: 4982630
    Abstract: In a pliers-type tool with a fixed jaw carrier (13A) and a movable jaw carrier (13B) arranged on a pivotable rocker (14) which is connected with an at least to a limited degree resiliently bendable bracket (15). The rocker (14) is with the aid of a pivot pin (14A) pivotally attached to a longitudinal tool body (11), the pivot pin (14A) passing through the rocker (14) in a hole which is larger than the diameter of the pivot pin (14A), and is anchored on one end of a short link (17), the other end of which link is attached to the said bracket (17).Thus work pieces, having a size within certain limits, may be precisely treated.
    Type: Grant
    Filed: November 9, 1989
    Date of Patent: January 8, 1991
    Assignee: C. A. Weidmuller GmbH & Co.
    Inventors: Hartmut Schmode, Ulrich Wiebe, Hans Undin
  • Patent number: 4825735
    Abstract: A pliers-type tool with two handles has a parallel mechanism carrying two carrier members for working jaws. The mechanism comprises two cross-wise arranged guide lever means and one of the carrier members or one of the guide lever means is merged with one of the handles to a rigid tool body. A resilient member may be interposed, also in tools not having a parallel mechanism, between a link connecting the two handles and a counter-element in order to compensate for inaccuracies and/or to enable an extra push at the end of a closing movement of the handles.
    Type: Grant
    Filed: June 8, 1988
    Date of Patent: May 2, 1989
    Assignee: C. A. Weidmuller GmbH & Co.
    Inventor: Hans Undin
  • Patent number: 4793046
    Abstract: Method and apparatus for piano head setting device wherein a glue remover is provided to remove glue collars from interconnected hammer shanks and hammer heads, a knuckle remover is provided to lift the shank knuckles from their mortises in the hammer shanks, and a piano hammer head setter is used to set the orignal shape of a hammer to be repaired and to assemble a repaired or replacement hammer to the set shape so that the hammer head of the replacement hammer will strike the piano wire in the same manner as the original.
    Type: Grant
    Filed: April 21, 1986
    Date of Patent: December 27, 1988
    Inventor: Wendell D. Hart
  • Patent number: 4711240
    Abstract: A surgical dissector has parallel arms mounted by a scissors linkage for moving toward and away from one another while remaining parallel. A plurality of teeth extend transversely from the arms and are positioned so that they may be interdigitated when the dissector is in a closed position. The teeth have rounded distal ends and are sufficient spaced so that spaces remain between the interdigitated teeth. The dissector is particularly useful in partial kidney resectioning.
    Type: Grant
    Filed: May 15, 1986
    Date of Patent: December 8, 1987
    Assignee: Duke University Patents Foundation
    Inventors: Benad Goldwasser, Culley Carson
  • Patent number: 4643054
    Abstract: Herein presented is a device for shutting off the flow through a pipe. The device is basically a pincers tool with two jaws and two handles. It, however, has special and unique features that make it rugged, reliable, efficient and easy to use.It has compound leveraging. It has pivotal features that allow the inner surfaces of its jaws to remain parallel to one another as the jaws are opened and closed. A latching and releasing mechanism permits the locking of the handles once the jaws have reached a desired closed position.
    Type: Grant
    Filed: December 30, 1985
    Date of Patent: February 17, 1987
    Inventor: Gary E. Nelson
  • Patent number: 4623084
    Abstract: A hand-held plier type stapler is disclosed. The stapler has a first handle to which an anvil is pivotally mounted. The first handle also houses a stapler head for forming and driving staples. A second handle is rotatably mounted to the first handle. Movement of the second handle moves the anvil towards a workpiece to be stapled and drives the stapler head to form and drive a staple.
    Type: Grant
    Filed: January 13, 1986
    Date of Patent: November 18, 1986
    Assignee: Swingline Inc.
    Inventor: Paul Olesen
  • Patent number: 4615111
    Abstract: The invention relates to a wiring tool for wiring electric, multipin plug connectors, connector strips or the like, using clamping cutter techniques, comprising a support for the binder receiving the lines to be connected and an opposed support for the binder, the support being adapted to be displaced with respect to the opposed support parallel to itself and towards the opposed support, the support being supported in its mounting, in accordance with the invention, on at least one wedge adapted to be linearly displaced by means of a pushrod.
    Type: Grant
    Filed: October 16, 1984
    Date of Patent: October 7, 1986
    Inventor: Reiner Rommel
  • Patent number: 4438668
    Abstract: A wrench includes two mutually movable jaws that are mounted by means of parallel linkages to a housing forming the handle. A rod is axially movable in the handle by means of an internally threaded sleeve extending into the bottom of the handle. The rod is connected at its top, by a pivotal link, to the top of the outer member of the parallel linkage. A locking member is pivotally attached to the housing and there is pivotally connected thereto, a wedge-shaped member that is adapted to engage a locking sleeve loosely mounted on the rod. The rotation of the threaded sleeve adjusts the distance between the jaws, while the engagement of the stop member with the locking sleeve prevents the movement of the jaws when they are in a working position.
    Type: Grant
    Filed: January 5, 1982
    Date of Patent: March 27, 1984
    Inventor: Yeheskel Solomon
  • Patent number: 3990137
    Abstract: Parallel action pliers for the manipulation of snap rings and the like. The jaws of the pliers carry a pair of parallel pins adapted to engage the snap ring, and the parallel relationship continues as the pins are moved away from or toward one another by actuation of the plier handles. The plier jaws are provided with two pairs of parallel bores in which the pins can be selectively mounted, and the pairs of bores are perpendicular to one another to enable the pliers to be either perpendicular or parallel to the plane of the snap ring being manipulated as available space may dictate.
    Type: Grant
    Filed: October 3, 1975
    Date of Patent: November 9, 1976
    Assignee: Scientific Tool & Engineering Co.
    Inventors: Stephen Kulba, Leslie E. Johnson