Joint Detail Patents (Class 81/416)
  • Patent number: 11123887
    Abstract: Shears having two limbs connected at a revolute joint, each limb comprising a handle region at one end and a cutting edge at the other end. One limb is fixed relative to the revolute joint during an opening and closing movement, and one limb is movable. The limbs move between an open position and a closed position while being limited by a stop and, in the closed position, the cutting edges pass each other over substantially their entire length. On the handle side of the revolute joint, one limb extends relative to the other limb such that it is supported in a planar manner on both sides in a region of overlap with the other limb, wherein the limbs comprise surface regions which, in the closed position, rest against one another in the region in which they are on top of each other and are each exposed on the opposite side.
    Type: Grant
    Filed: February 8, 2018
    Date of Patent: September 21, 2021
    Assignee: KNIPEX-Werk C. Gustav Putsch KG
    Inventor: Andreas Heinsohn
  • Patent number: 10940576
    Abstract: A hand tool provided with a first handle, a second handle, a first working portion, a second working portion and a working portion connecting mechanism. The first handle is fixedly connected to the first working portion, the second handle is pivotably connected to the second working portion, and the second working portion is connected to the first working portion through the working portion connecting mechanism, the second working portion has a first position and a second position, and the working portion connecting mechanism causes the second working portion to be moved from the first position to the second position when the second handle is moved from away from the first handle to closer to the first handle. The first position is the position where the second working portion is located away from the first working portion, and the second working portion is rotated and translated relative to the first working portion when the second working portion is in the second position.
    Type: Grant
    Filed: April 15, 2015
    Date of Patent: March 9, 2021
    Assignees: Hangzhou Great Star Tools Co., Ltd., Hangzhou Great Star Industrial Co., Ltd.
    Inventor: Min Wang
  • Patent number: 9050122
    Abstract: Pliers, in particular for surgical purposes, comprises a first plier half and a second plier half, wherein the plier halves are connected to each other via at least one joint, and wherein at least one of the plier halves is provided with at least one rinsing channel.
    Type: Grant
    Filed: July 20, 2012
    Date of Patent: June 9, 2015
    Assignee: Karl Storz GmbH & Co. KG
    Inventor: Robert Bogdoll
  • Publication number: 20140373689
    Abstract: Disclosed herein is a hand tool comprising a first hand tool member comprising a pin, a hole, a bearing surface, and at least one groove, and a second hand tool member comprising a hole, a bearing surface, and at least one groove. The groove of the first hand tool member engages the groove of the second hand tool member when the hand tool is in a closed position. Further, the groove of the first hand tool member disengages from the groove of the second hand tool member when the hand tool is in a fully open position.
    Type: Application
    Filed: January 10, 2013
    Publication date: December 25, 2014
    Inventors: Peter Sildve, Terry Mustard
  • Patent number: 8770067
    Abstract: Pliers with adjustable jaw span have a first member (1) and a second member (2) which cooperate with each other. A long slot (13) is formed in the first member (1). The second member (2) is connected with the first member (1) by means of a pivot (3) passing through the long slot (13), and rotatable around the pivot (3) relative to the first member (1), while adjusting the span of the jaws by varying the position of the pivot (3) within the long slot (13). The edge of the long slot (13) is provided with ratchet teeth (14). The pivot (3) is engaged with the ratchet teeth (14) by a pawl (31), thus the pivot is movable within the long slot (13) in a first direction and immovable in a second direction which is opposite to the first direction. The pliers are convenient to operate because when the position of the pivot (3) is moved within the long slot (13), the user's operation is required only for the movement in one direction.
    Type: Grant
    Filed: July 16, 2010
    Date of Patent: July 8, 2014
    Assignees: Hangzhou Great Star Industrial Co., Ltd., Hangzhou Great Star Tools Co., Ltd.
    Inventor: Jianping Qiu
  • Publication number: 20140157960
    Abstract: The invention relates to A pliers (1) having two pliers limbs (2, 3) which are connected so as to be pivotable relative to one another in a box joint having a joint pin (4), a working region (7, 8) being formed on one pliers limb (2, 3) on the one side of the joint and a gripping region (9, 10) being formed on the other side of the joint, and a passed-through pliers limb (3) being formed with a push-through slot (11) which has a slot width (s) in the joint region and through which the other through-passing pliers limb (2) extends, the working regions of the pliers limbs (2, 3) moreover having, at least in part, a width (b) that is greater than the slot width (s), and the working regions (7, 8) designed in the form of jaws or cutting edges pivoting toward a shared central plane (E). In order to improve the pliers with regard to high performance while optimizing manufacturability, it is proposed that the joint pin (4) be laterally offset with respect to the central plane (E).
    Type: Application
    Filed: August 4, 2011
    Publication date: June 12, 2014
    Applicant: KNIPEX-WERK C. GUSTAV PUTSCH KG
    Inventors: Andreas Heinsohn, Bernd Riepe
  • Publication number: 20140053694
    Abstract: A pair of rib joint pliers has a first body, a second body and a pivot-adjusting element. The first body has a handle, a jaw and an elongated through slot formed through the first body to form two connecting panels with a mounting recess, a pivot hole and a through hole. The second body is rotatably connected to the first body and has a handle, a jaw and an adjusting groove. The adjusting groove is formed through the second body and communicates with the elongated through slot. The pivot-adjusting element is movably connected to the first body, selectively engages with the second body and has an engaging mount movably mounted between the adjusting groove, the pivot hole and the mounting recess, a pressing button securely connected to the engaging mount and a returning spring mounted in the mounting recess, mounted around the engaging mount and abutting the pressing button.
    Type: Application
    Filed: August 24, 2012
    Publication date: February 27, 2014
    Inventor: Li-Tu Lin Wu
  • Patent number: 8555754
    Abstract: A tool, such as fixed-joint pliers, has first and second levers which are movably joined. The levers are joined at a joint comprising a housing and a coupler. The housing is defined by a first housing portion of the first lever and a second housing portion of the second lever. The housing has an interior area which houses a biasing member, such as a torsion spring. The coupler may comprise first and second bushings which extend through a passage through the housing and the torsion spring therein, and a male fastener which extends through one of the bushings and into engagement with the other bushing. The pliers have a thin profile and are biased to an open position for use.
    Type: Grant
    Filed: December 6, 2010
    Date of Patent: October 15, 2013
    Assignee: JS Products, Inc.
    Inventors: Chungeng Chen, John A. Hermann
  • Patent number: 8234764
    Abstract: A multi-purpose tool that makes prying possible without need of a lever point. The tool comprises a pair of handles pivotally connected at an intermediate pivot joint, each handle comprising a gripping section, an intermediate section and a front tip section all located on a same side of the pivot joint such that movement of the gripping sections towards each other spreads the front tip sections apart. The pivot joint, situated between intermediate handle sections, includes a substantially circular pivot pin on a substantially planar base and a protective cover for situating over the pivot pin and further rotationally joining both handles.
    Type: Grant
    Filed: September 16, 2011
    Date of Patent: August 7, 2012
    Inventor: Daniel Wracker
  • Patent number: 8146462
    Abstract: A variable compression tool comprising a retaining surface attached to a lever arm and a cam surface attached to a second lever arm. The two arms are moveably connected through a fixed pivot point. The profile of the jaw pocket may be of various shapes. In one instantiation, the jaw pocket conforms to at least two sides of a nut. The orientation of the cam surface to the jaw pocket is such that the force generated by closing the jaws forces the nut into the retaining surface. Adjustment of the cam lever arm is regulated by an eccentric cam adjuster bearing which changes the effective center of rotation of lever arm two in two dimensions simultaneously by rotation of the bearing.
    Type: Grant
    Filed: August 4, 2008
    Date of Patent: April 3, 2012
    Inventors: Bruce Galloway, Henry Frickel
  • Patent number: 8087327
    Abstract: A pair of tongs with two tong limbs are connected rotatably to each other in a joint in which they are inserted and which has an axially fixed joint pin. The tong limbs are only rotatable with respect to each other. A working region and a handle region are formed in each case on one tong limb. A receiving tong limb is designed with an insertion slot which has a slot width in the region of the joint and through which the other inserted tong limb is inserted. The working regions of the tong limbs have a greater width, at least in part, than the slot width. The handle region of the inserted tong limb has a width and, if appropriate, a thickness which corresponds to the slot width. The handle covering has a reinforcing element.
    Type: Grant
    Filed: May 24, 2007
    Date of Patent: January 3, 2012
    Assignee: Knipex-Werk C. Gustav Putsch KG
    Inventor: Wolfgang Lorbach
  • Patent number: 8051749
    Abstract: There is disclosed herein an improved adjustable tool, such as a pair of pliers, having a first jaw portion and a second jaw portion, the first and second jaw portions being pivotably connected to one another by a pivot pin attached in any manner to one of the jaw portions and fitted within a channel defined within the other of the jaw portions. Preferably, the channel is formed by a plurality of pivot centers, including two non-adjacent terminal centers and at least one intermediate center, each center being connected to at least one other center by a slot to form a single pathway such that travel of the pivot pin between non-adjacent pivot centers requires travel through at least one intermediate pivot center, and the pivot pin has a positive tactile indication when properly seated in each pivot center.
    Type: Grant
    Filed: July 30, 2009
    Date of Patent: November 8, 2011
    Assignee: Snap-On Incorporated
    Inventors: Eric Gustafson, Glenn Kaufman, Garry Dillon
  • Patent number: 7967602
    Abstract: A pliers for forming orthodontic wires has opposing beaks with complementary wire-forming surfaces that include interfering portions. A hinge mechanism enables the beaks to open and close by rotating about an axis, and also allows a range of axial motion between the beaks sufficient to prevent interference between the wire-forming surfaces as the beaks are closed. By preventing such interference, novel over-bending capabilities can be achieved to form useful bending of low spring rate wire. A spring, such as a Belleville washer, exerts a biasing force parallel to the hinge axis to maintain alignment of the beaks, but allows the required range of axial motion between the beaks to prevent interference.
    Type: Grant
    Filed: October 7, 2008
    Date of Patent: June 28, 2011
    Inventor: John Theodore Lindquist
  • Patent number: 7845255
    Abstract: The invention relates to pliers, especially cutting pliers or crimping pliers, comprising limbs which cross in a single joint in the longitudinal direction thereof, form co-operating working regions on one side of the joint, and embody grips on the other side of the joint. The limbs are interconnected in such a way that they can only rotate in relation to each other, and co-operating recesses are provided on both limbs in order to guide the rotation. A rotational axis of the limbs is located outside the recesses, on the side of the working regions, and a first limb in the joint region is respectively covered, i.e. on both sides, by a lapping part which is connected to the other limb in a fixed manner. The aim of the invention is to provide the inventive pliers with an advantageous structure for the transfer of high gripping forces, also in terms of the forces acting in the joint. To this end, the lapping part is connected to the other limb in such a way that it covers the recesses of the first limb.
    Type: Grant
    Filed: April 7, 2006
    Date of Patent: December 7, 2010
    Assignee: Knipex-Werk C. Gustav Putsch KG
    Inventor: Andreas Heinsohn
  • Patent number: 7640667
    Abstract: A pruner has a movable handle/blade assembly pivotally coupled to a static handle/blade assembly by a pivot assembly carried by the static handle. The pivot assembly further has a bush within the static handle and on which the movable handle/blade assembly is pivotally mounted, a spring for pivotally biasing the movable handle/blade assembly to an open position being retained by the pivot assembly within the static handle. Both the movable blade and static blade are mounted on the bush and are clamped laterally between two separate parts of the bush which are assembled together in screw threaded engagement, and the two blades are supported from the bush by a bearing ring of low friction material.
    Type: Grant
    Filed: January 25, 2007
    Date of Patent: January 5, 2010
    Assignee: ITW Australia Pty Ltd
    Inventors: Nathan Pollock, James Collins, Lee Rodezno, Peter Williams
  • Patent number: 7568408
    Abstract: A folding multipurpose hand tool including a pivoted latch that engages side walls of a handle and a base of a folding tool member to hold the folding tool member in a selection position. Pliers include a non-circular hub. A separate safety interlock latch keeps a folding blade stowed in a handle when another tool is moved from a first position with respect to the handle. A tool bit holder securely holds and drives reduced thickness tool bits that can also be engaged in and driven by conventional sockets having a regular hexagonal shape.
    Type: Grant
    Filed: September 5, 2007
    Date of Patent: August 4, 2009
    Assignee: Leatherman Tool Group, Inc.
    Inventor: Hollan A. Tsuda
  • Publication number: 20090165602
    Abstract: The invention relates to a pair of tongs (1) with two tong limbs (2, 3) which are connected rotatably to each other in a joint in which they are inserted and which has an axially fixed joint pin (7), wherein the tong limbs (2, 3) are only rotatable with respect to each other, and a working region (4) and a handle region (5) are formed in each case on one tong limb (2, 3), and a receiving tong limb (3) is designed with an insertion slot (6) which has a slot width (s) in the region of the joint and through which the other inserted tong limb (2) is inserted, wherein, furthermore, the working regions (4) of the tong limbs (2, 3) have a greater width (b), at least in part, than the slot width (s). In order to make production economic with the stability being as good as possible, the invention proposes that the handle region (5) of the inserted tong limb (2) has a width (B) and, if appropriate, a thickness which corresponds to the slot width (s).
    Type: Application
    Filed: May 24, 2007
    Publication date: July 2, 2009
    Inventor: Wolfgang Lorbach
  • Publication number: 20090049960
    Abstract: The invention relates to pliers, especially cutting pliers or crimping pliers, comprising limbs which cross in a single joint in the longitudinal direction thereof, form co-operating working regions on one side of the joint, and embody grips on the other side of the joint. The limbs are interconnected in such a way that they can only rotate in relation to each other, and co-operating recesses are provided on both limbs in order to guide the rotation. A rotational axis of the limbs is located outside the recesses, on the side of the working regions, and a first limb in the joint region is respectively covered, i.e. on both sides, by a lapping part which is connected to the other limb in a fixed manner. The aim of the invention is to provide the inventive pliers with an advantageous structure for the transfer of high gripping forces, also in terms of the forces acting in the joint. To this end, the lapping part is connected to the other limb in such a way that it covers the recesses of the first limb.
    Type: Application
    Filed: April 7, 2006
    Publication date: February 26, 2009
    Inventor: Andreas Heinsohn
  • Patent number: 7494500
    Abstract: A surgical instrument includes a pair of elongated members joined together by a box hinge. The box hinge is formed of a slot in the first member and a hinge portion in the second member. The hinge portion of the second member is generally the same width as that of the second member on either side of the box hinge. The width of the first elongated member is larger than the width of the second elongated member at either end of the box hinge portion. The first and second box hinge portions have pivot points that mate to allow the hinge to open and close. The pivot points may be corresponding protrusions and depressions of any preferred shape. The unique construction of the box hinge creates a snag-free surface that allows for the use of the instrument for tasks such as suturing without the suturing thread snagging on the instrument.
    Type: Grant
    Filed: November 21, 2003
    Date of Patent: February 24, 2009
    Assignee: Tri-State Hospital Supply Corporation
    Inventors: Donald J. Propp, Gary A. Gillis
  • Patent number: 7451673
    Abstract: An indexable pliers-type tool with selectable first and second jaw tool structures comprising opposing jaw elements having first and second portions with handles, the first portions defining a first tool structure, the second portions defining a second tool structure, the jaw elements are adapted to be pivotally moveable relative to each other about an axis, each handle has a handle aperture therein coaxial with jaw apertures, and a pivot pin is disposed axially through the jaw apertures and the handle apertures and is axially movable between locked and unlocked positions, wherein when the pin is in the locked position, the first or second tool structure can be used, and when the pin is disposed in the unlocked position, the jaw elements can be rotated for tool structure selection.
    Type: Grant
    Filed: August 15, 2007
    Date of Patent: November 18, 2008
    Assignee: Snap-on Incorporated
    Inventor: Keith A. Petersen
  • Patent number: 7389715
    Abstract: A pliers-type hand tool includes first and second arms, a pivot joint, and a locking member. The first arm is formed with a threaded blind hole. The second arm is formed with a through hole. The pivot joint extends through the through-hole in the second arm and threadedly engages the threaded blind hole in the first arm, and is formed with a threaded through-hole. The locking member threadedly engages and extends through the threaded through hole in the pivot joint, and abuts against the first arm.
    Type: Grant
    Filed: April 9, 2007
    Date of Patent: June 24, 2008
    Inventor: Ming-Shuan Lin
  • Patent number: 7351248
    Abstract: A surgical instrument includes a pair of elongated members joined together by a box hinge. The box hinge is formed of a slot in the first member having substantially flat, generally parallel sides and a hinge portion in the second member. The hinge portion of the second member conforms to the generally flat surfaces of the slot and is generally the same width as that of the second member on either side of the box hinge. The width of the first elongated member is larger than the width of the second elongated member at either end of the box hinge portion. The transitional slope of the side surfaces of the second elongated member is nearly flat between the box hinge portion, the handle end portion, and the working tip portion. The unique construction of the box hinge creates a snag-free surface that allows for the use of the instrument for tasks such as suturing without the suturing thread snagging on the instrument.
    Type: Grant
    Filed: October 30, 2002
    Date of Patent: April 1, 2008
    Assignee: Tri-State Hospital Supply Corporation
    Inventors: Donald J Propp, Gary A. Gillis
  • Patent number: 7318725
    Abstract: Dental pliers with two pliers parts, each respectively comprising one jaw of a pliers mouth and one lever arm of a pliers grip, the pliers parts pivotably connected with each other via a linkage. The linkage includes a cylindrical journal (26) on the first pliers part (12) coaxial to the pivot axis, which engages in a cylindrical bore (32) on the other pliers part (10) coaxial to the pivot axis having the same diameter, and is rotatable in this bore (32) about the pivot axis. The journal (26) and the bore (32) are axially located form-fittingly via at least one circumferential tab (28) and one circumferential groove (34). The at least one circumferential tab (28) extends only over a partial angular area of the circumference. At least one entry segment (36) corresponding to the cross-sectional shape of the circumferential tab (28) leads axially to the circumferential groove (34).
    Type: Grant
    Filed: February 16, 2005
    Date of Patent: January 15, 2008
    Assignee: Helmut Zepf Medizintechnik GmbH
    Inventor: Helmut Zepf
  • Patent number: 7294140
    Abstract: A device for holding a trocar sleeve in its position of engagement in the body of a patient has clamping jaws which in the closed position define an opening and which can be placed about the outside of the trocar sleeve, and at least one hole via which the device can be fixed on the patient. The device is designed as a forceps with two forceps arms which at their area of intersection are connected to one another via a hinge and which at their distal ends in each case have at least one clamping jaw, a spring being arranged between the forceps arms, which spring is supported on the forceps arms via its long ends and forces the clamping jaws into the closed position.
    Type: Grant
    Filed: May 6, 2003
    Date of Patent: November 13, 2007
    Assignee: Karl Storz GmbH & Co. KG
    Inventors: Henry Mosnier, Christophe Lafond
  • Patent number: 7258047
    Abstract: The present invention relates to a pliers that includes first and second arms that are pivotally interconnected utilizing an appropriate mechanical fastener. A spring is generally disposed about the mechanical fastener to bias the pliers toward an open condition. Further, a bearing is generally located between the first and second arms to hinder friction between the first and second arms, facilitate movement of the pliers between open and closed conditions, and provide some control for the range of pivotal motion of the first arm relative to the second arm.
    Type: Grant
    Filed: September 27, 2004
    Date of Patent: August 21, 2007
    Inventors: Thomas J. Wolter, Steven A. Galella
  • Patent number: 7222558
    Abstract: Gripping pliers consisting of a jointed clamp and handle. The clamp contains a longitudinal slot with longitudinal apertures defining first and second detent positions. In the first position, the joint is movable whereas in the second position, the joint is locked. The handle is rotatably mounted on a bearing ring which permits fine adjustment of the opening width of the pliers.
    Type: Grant
    Filed: August 5, 2005
    Date of Patent: May 29, 2007
    Assignee: Eduard Willie GmbH & Co KG
    Inventors: Lothar Schmitt, Hans-Joachim Chniel
  • Patent number: 7146888
    Abstract: An adjustable pliers having first and second elongated members, each elongated member comprising a handle, a jaw, and a intermediate portion between the jaw and the handle. The intermediate portion of one of the elongated members includes an elongated slot, while the intermediate portion of the other elongated member includes a pivot pin that is slidingly captured in the elongated slot. A spring is captured in the elongated slot and engages the pivot pin so as to bias the jaw of one of the elongated members toward the jaw of the other elongated member. One of the handle members also includes a stop pin in its intermediate portion that abuts the intermediate portion of the other elongated member to limit the degree to which the elongated members can pivot with respect to each other about the pivot pin.
    Type: Grant
    Filed: November 30, 2001
    Date of Patent: December 12, 2006
    Assignee: Adjustable Clamp Company
    Inventor: Charles Martinka
  • Patent number: 6880434
    Abstract: A multiple joint pliers having a transversely retaining branch (2), a transversely retained branch (3), and a plate (4). The transversely retaining branch (2) which includes a first jaw (6), a first articulating intermediate zone (9) and a first handle (10). The first articulating zone defines a recess (12), and on either side thereof, a stepped portion (14). The transversely retained branch (3) includes a second jaw (21), a second articulating intermediate zone (23) and a second handle (22). The second articulating zone being received mobile in rotation, and selectively in translation, in the recess. The plate (4) maintaining the second articulating zone in the recess. The ends (27) of the plate are positioned on the respective stepped portions. The plate (4) is generally ?-shaped when viewed laterally.
    Type: Grant
    Filed: July 6, 2001
    Date of Patent: April 19, 2005
    Assignee: Facom
    Inventor: Claude Nouvel
  • Patent number: 6877405
    Abstract: A non-conductive substantially buoyant-in-water hand tool comprising an elongated handle portion formed of non-corrosive, non-conductive material having a density greater than water and an elongated working tool connected to and extending axially from a proximal end of said handle portion. The handle portion has one or more outwardly opening cavities formed into a side surface of the handle portion. An elongated tubular sheath formed of material buoyant in water covers and sealingly encloses and forms one or more airtight cavities whereby the effective density of the hand tool is less than that of water.
    Type: Grant
    Filed: July 16, 2003
    Date of Patent: April 12, 2005
    Assignee: Role Associates, LLC
    Inventors: Robert Brady, Joel R. Chartier
  • Patent number: 6813976
    Abstract: This invention is a hand tool tethering system for use with hand tools that includes a retractor adapted to be included in a housing of the hand tool, a tether attached to the hand tool's retractor mechanism at one end, and to and a coupling device at the opposite end for attachment to an operator or to a selected support structure. The retractor mechanism allows the tether to be movable between a stored position and a functional position.
    Type: Grant
    Filed: October 1, 2002
    Date of Patent: November 9, 2004
    Inventors: Phillip Joseph Malvini, Daniel Cornell
  • Publication number: 20040159194
    Abstract: A joint of a pair of channel-lock pliers having an adjustable handle and a reference handle that are pivotally connected at a junction includes an elongated hole defined through the reference handle at the junction, a joint hole defined through the adjustable handle at the junction corresponding to the elongated hole and a pivot pin pivotally connecting the adjustable and the reference handles at the junction. The pivot pin has an enlarged first end and a second end, which passes through the elongated hole and the countersunk pivot hole in the handles and extends out of the countersunk pivot hole in the adjustable handle to be pressed and spread to pivotally rivet the handles together and be ground smooth to prevent protruding from the adjustable handle. Consequently, the handles are joined firmly, and appearance of the pliers is nice.
    Type: Application
    Filed: February 19, 2003
    Publication date: August 19, 2004
    Inventor: Cheng-Cheng Ting
  • Patent number: 6776073
    Abstract: A pair of non-conductive substantially buoyant-in-water hand pliers comprising a pair of non-conductive lever members each having a handle portion and a jaw portion and formed of material having a density greater than water. The lever members are pivotally connected together at common central portions between the jaw and handle portions. Each handle portion has one or more outwardly opening cavities formed into a side surface of the handle portions. An elongated tubular sheath formed of material buoyant in water covers and sealingly encloses the cavity whereby the effective density of the pliers to less than that of water. A restraining detent providing felt indicia and limiting opening pivotal movement between the jaw portions to reduce the likelihood of damage is also provided.
    Type: Grant
    Filed: January 3, 2003
    Date of Patent: August 17, 2004
    Assignee: Role Associates, LLC
    Inventors: Robert O. Brady, Joel R. Chartier
  • Patent number: 6725748
    Abstract: A collapsible pliers where a jaw assembly is mounted between a pair of handles. The jaw assembly is movable relative to the handles from a retracted position to an extended position which will permit the jaw assembly to move to an open position and the jaw assembly used in a conventional manner by squeezing of the handles to move the jaw assembly from the open position to a gripping position.
    Type: Grant
    Filed: October 30, 2002
    Date of Patent: April 27, 2004
    Assignee: Awi Acquisition Company
    Inventor: Yi Chuan Tseng
  • Patent number: 6647835
    Abstract: A scissors pair of pliers where the pair of jaws of the pliers are to be replaceable with a different pair of jaws.
    Type: Grant
    Filed: October 17, 2002
    Date of Patent: November 18, 2003
    Assignee: AWI Acquisition Company
    Inventor: Yi Chuan Tseng
  • Patent number: 6612147
    Abstract: The present invention relates to hand operable pliers (1) including a pliers head (2) and a drive (3). The pliers head (2) includes a frame (4), a stationary jaw (7) and a movable jaw (8), and it is designed and arranged to be replaceable. The drive (3) includes two handles (21, 22) and a common joint (20) being designed and arranged to connect the handles (21, 22) to be pivotable about the common joint (20) and to allow for an opening movement and for a closing movement of the handles (21, 22). The common joint (20) forms a pressure bolt (23). The movable jaw (8) is designed and arranged to be detachably supported at the pressure bolt (23). The drive (3) further includes a plurality of connecting members (36) each being designed and arranged to be detachable, two pulling elements (30) being associated with the drive (3) and each having a first end (32) facing the pliers head (4) and a second end facing the handles (21, 22).
    Type: Grant
    Filed: November 14, 2001
    Date of Patent: September 2, 2003
    Assignee: Wezag GmbH Werkzeugfabrik
    Inventors: Horst Beetz, Kurt Battenfeld
  • Patent number: 6532847
    Abstract: A pair of pliers includes a first plier body including a first handle attached to a first end thereof and a second end. The first plier body further includes a mediate portion with a first pivotal section and a second pivotal section. A second plier body includes a first end with a slot and a second end that cooperates with the second end of the first plier body for exerting a force on an object between the second end of the first plier body and the second end of the second plier body. The second plier body further includes a mediate portion with a third pivotal section in pivotal engagement with the first pivotal section of the first plier body. The mediate portion of the first plier body and the mediate portion of the second plier body together define a compartment. A third plier body includes a second handle attached to a first end thereof and a second end with a rocker movably received in the compartment. The rocker is in pivotal connection with the second pivotal section of the first plier body.
    Type: Grant
    Filed: February 15, 2001
    Date of Patent: March 18, 2003
    Inventor: Mou-Tang Liou
  • Patent number: 6530099
    Abstract: A composite pliers has crossed levers, each including a non-metallic body with an exposed metal cutter blade. The pliers includes strengthening and/or retaining structure around a pivot joint which does not extend into handle portions of the levers. This structure strengthens the pivot joint and can help confine the pliers parts in the event of failure. In one embodiment, each lever has a pivot joint strengthening structure insert molded therein, the structure extending into a jaw portion of each lever and protruding from the non-metallic body to form a workpiece engagement surface, such as a cutting blade. In one form, the jaws have more than one row of teeth with adjacent rows offset from each other. When the pliers is assembled from two identical lever members, each row of teeth on one lever will face the offset row of teeth on the other lever so that the peaks of the teeth on one lever fall within the grooves between the teeth on the opposing row.
    Type: Grant
    Filed: July 19, 2000
    Date of Patent: March 11, 2003
    Assignee: Snap-on Technologies, Inc.
    Inventor: Dean J. Iwinski
  • Patent number: 6405395
    Abstract: A multi-function tool includes two channel-shaped handles having a first side wall and a second side wall forming a channel therebetween. An interlocking mechanism includes a first plate extending from the first side wall, and a second plate extending from the second side wall. At least one of the first plates has a periphery with a notch formed therein. At least one of the second side walls has a post extending therefrom. Each handle is releasably engageable by alignment of at least one post of one of the handles with at least one notch of the other handle. The multi-function tool also includes an interchangeable implement including a pair of handles with implement engaging means. An axle assembly extends transversely through the openings formed in the first and second plates and includes a first end member, a second end member, a pair of buttons and a spring. The spring is disposed between each of the buttons to bias the buttons into engagement with the end members.
    Type: Grant
    Filed: September 14, 2000
    Date of Patent: June 18, 2002
    Assignee: Alterra Holdings Corporation
    Inventors: Paul W. Poehlmann, Phillip A. Montague
  • Patent number: 6336387
    Abstract: A plier device includes a pair of handle levers pivotally secured together and each having a handle formed on one end and a stem formed on the other end. Two rods are secured to the stems respectively. A pair of jaws are pivotally secured together and each having a bar extended from one end. The bars each has a groove for receiving the rods of the stems. A spring member is engaged between the bars for biasing the bars to engage with the stems and for forcing the rods into the grooves of the bars, in order to secure the jaws to the handle levers without additional fasteners and tools.
    Type: Grant
    Filed: January 11, 2001
    Date of Patent: January 8, 2002
    Inventor: Yung Jen Lee
  • Patent number: 6318217
    Abstract: The invention relates to gripping pliers with an upper extended handle 2 and a lower extended handle 1 which comprise a handle section 9, 7 and a jaw 8, 6 positioned opposite the handle section 9, 7, with the upper extended handle 2 and the lower extended handle 1 being hingeingly supported in relation to each other in a box joint and with the joint comprising an engagement position and an adjustment position, and furthermore with an adjustment element 11 manually displaceable against a spring 19 in the direction of the swivelling axis being provided for adjusting the engagement position and the adjustment position, with the lower extended handle 1 comprising a slot in the joint area and with the upper extended handle 2 being inserted through the lower extended handle 1 in the joint area.
    Type: Grant
    Filed: September 9, 1999
    Date of Patent: November 20, 2001
    Assignee: VBW Vereinigte Beckersche Werkzeugfabriken GmbH & Co.
    Inventors: Frank Emhardt, Jens-Uwe Schmidt, Joachim Krugmann, Sieghardt Schwandrau, Frank Suhr
  • Publication number: 20010007214
    Abstract: A pair of pliers includes a first plier body including a first handle attached to a first end thereof and a second end. The first plier body further includes a mediate portion with a first pivotal section and a second pivotal section. A second plier body includes a first end with a slot and a second end that cooperates with the second end of the first plier body for exerting a force on an object between the second end of the first plier body and the second end of the second plier body. The second plier body further includes a mediate portion with a third pivotal section in pivotal engagement with the first pivotal section of the first plier body. The mediate portion of the first plier body and the mediate portion of the second plier body together define a compartment. A third plier body includes a second handle attached to a first end thereof and a second end with a rocker movably received in the compartment. The rocker is in pivotal connection with the second pivotal section of the first plier body.
    Type: Application
    Filed: February 15, 2001
    Publication date: July 12, 2001
    Inventor: Mou-Tang Liou
  • Patent number: 6226822
    Abstract: A tool structure including two grips and a tool head. By way of an opening of a first pivot section of the grip, the first pivot sections of the grips can be separated, permitting the grips to be folded to two sides of the tool head. This reduces the room occupied by the tool and facilitates storage and carriage of the tool. The first pivot sections of the grips are spaced from the second pivot sections of the tool head by a certain distance to form a double-lever structure and prolong the length of the force application arm so as to save strength.
    Type: Grant
    Filed: October 25, 1999
    Date of Patent: May 8, 2001
    Inventor: Jin-Fu Chen
  • Patent number: 6185771
    Abstract: The present invention relates primarily to a versatile hand-held pocket tool having slidable pivoted jaws that are extensible from within the handle grips. The pivoted jaws are rotatably locked in the extended position thereby preventing the pliers from retracting when being used. When not in use the pliers are retracted into each of the handle grips and rotatably locked, maintaining the jaws in their storage position. Each of the jaws has two cutting surfaces; one notched cutting surface for cutting wire and one shearing surface for wire stripping and the like. Two foldable pivoted screwdrivers comprising a flattened blade type and a Phillips end type are included to provide versatile portable tool operation. The pocket tool can be manufactured using powdered metal technology to reduce the manufacturing cost and to ensure greater uniformity and precision.
    Type: Grant
    Filed: December 6, 1999
    Date of Patent: February 13, 2001
    Inventor: John E. Trusty, Sr.
  • Patent number: 6176158
    Abstract: A pincers includes two main bodies, a fixing member, a treatment member, a tightening member and a resilient member. By utilizing the treatment member, the fixing member and the resilient member disposed between the main bodies and the fixing member, the pincers has a good mating relationship and can be easily assembled so that the using effect of the pincers is improved.
    Type: Grant
    Filed: July 15, 1999
    Date of Patent: January 23, 2001
    Inventor: Jin-Fu Chen
  • Patent number: 6167581
    Abstract: The pliers have an elongated slot for the purpose of locking the shanks apart in order to permit the other tools on the pliers based combination tool to be used or an enhanced wire cutting slot.
    Type: Grant
    Filed: November 19, 1998
    Date of Patent: January 2, 2001
    Inventor: Patrick W. Finn
  • Patent number: 6154964
    Abstract: A hose cutter tool includes scissor arms joined at a pivot point having opposed jaws, one of which includes a cutter blade and the other of which defines an arcuate support surface to hold tubing material. As the arms are manipulated, the blade descends through and cuts the tubing material.
    Type: Grant
    Filed: March 22, 1999
    Date of Patent: December 5, 2000
    Assignee: Lisle Corporation
    Inventor: Kevin L. Tally
  • Patent number: 6145144
    Abstract: A multi-function tool includes two channel-shaped handles having a first side wall and a second side wall forming a channel therebetween. An interlocking mechanism includes a first plate extending from the first side wall, and a second plate extending from the second side wall. At least one of the first plates has a periphery with a notch formed therein. At least one of the second side walls has a post extending therefrom. Each handle is releasably engageable by alignment of at least one post of one of the handles with at least one notch of the other handle. The multi-function tool also includes an interchangeable implement including a pair of handles with implement engaging means. An axle assembly extends transversely through the openings formed in the first and second plates and includes a first end member, a second end member, a pair of buttons and a spring. The spring is disposed between each of the buttons to bias the buttons into engagement with the end members.
    Type: Grant
    Filed: October 13, 1998
    Date of Patent: November 14, 2000
    Assignee: Alterra Holdings Corporation
    Inventors: Paul W. Poehlmann, Phillip A. Montague
  • Patent number: 6131495
    Abstract: A tool includes two grips and at least one tool head. The grips can be opened to different extents so as to rotate the fixing pins of the grips relative to the openings of the tool head. Accordingly, the short sides of the fixing pins can be respectively aligned with the openings to permit the detachment of the grips from the tool head. Otherwise, the grips are stopped by the long sides of the fixing, pins from detaching from the tool head. The grips can be easily and quickly assembled with or disassembled from the tool head. In addition, the replacement of the tool head can be performed by hand without using any tool or switch. Also, the tool has fewer components which are not easy to miss.
    Type: Grant
    Filed: June 15, 1999
    Date of Patent: October 17, 2000
    Inventor: Jin-Fu Chen
  • Patent number: 6128943
    Abstract: The present invention is an adjustment mechanism for both hand and production tools of any capacity. An eccentric pin mechanism provides the pivot between two handles or other load transferring members. The rotation of the pin moves the two members closer or farther apart, indirectly controlling the final position of the blades or jaws. This adjustment can be used to compensate for wear or to provide adjustment for a specific use. The eccentric pin is locked into position by means of a pressure pin mechanism. For light duty tools, this pressure pin mechanism would consist of a spring loaded pin which resists rotation of the eccentric pin during normal operation of the tool. The spring loaded pin would allow rotation of the eccentric pin when a tool is used to rotate it. For heavy duty applications, the pressure pin mechanism would consist of a solid set screw.
    Type: Grant
    Filed: May 19, 1999
    Date of Patent: October 10, 2000
    Inventor: Joseph R. Lemmens
  • Patent number: 6098508
    Abstract: An improved pliers having a first and second member. The first member includes a jaw operatively connected to a first handle, and the second member includes a second jaw operatively connected to a second handle. A slot is located in one of the members between the jaw and the handle. A pin in the other member extends into the slot and is secured therein to hold the members together while permitting relative motion between them. The slot may have different shapes but must be long and wide enough to allow the pin unrestricted motion. A projection extends from one of the members and engages a pivot area which may be a surface or a notch on the other member. In two embodiments of this invention, two pivot notches are used to give two different ranges of motion to the jaws. Different shapes of jaws may be used for specialized purposes, such as, opening pipe clamps or removing oil filters.
    Type: Grant
    Filed: August 6, 1998
    Date of Patent: August 8, 2000
    Assignee: Meritool Corporation
    Inventor: Nicola Battistone