Pivotable In Horizontal Plane Patents (Class 414/665)
  • Patent number: 11673782
    Abstract: An elongated container has a convex shape with a bulge defining a center width of the elongated container. An apparatus and method for lifting the elongated container are described. The apparatus performs a pick operation from a front side of the elongated container. The pick operation includes approaching and gripping the elongated container from the front side. During the pick operation, an outer dimension of the apparatus in a direction perpendicular to an elongated direction defined by the elongated container is smaller than the center width of the elongated container.
    Type: Grant
    Filed: September 30, 2020
    Date of Patent: June 13, 2023
    Assignee: Pilz GmbH & Co. KG
    Inventors: Wesley O'Shea, Andrew Donnelly, Padraig Cahalane, Cathal Owens
  • Patent number: 9216884
    Abstract: A material handling vehicle includes a vehicle body with a vertically extendible mast fixed to the vehicle body. A fork support is fixed relative to the mast and has a first side and a second side. The first side faces away from the second side. A first fork is mounted to the fork support and is movable between a first fork stored position and a first fork working position. In the first fork working position, the first fork extends substantially perpendicularly from the first side of the fork support. A second fork is mounted to the fork support and is movable between a second fork stored position and a second fork working position. In the second fork working position, the second fork extends substantially perpendicularly from the second side of the fork support.
    Type: Grant
    Filed: March 11, 2013
    Date of Patent: December 22, 2015
    Assignee: THE RAYMOND CORPORATION
    Inventor: Gregory W. Smiley
  • Patent number: 8210790
    Abstract: A pallet and product protector for use with a forklift having a carriage assembly and a pair of L-shaped forks, including a horizontally elongated plate having a pair of cutouts defined in the lower edge thereof, each cutout being sized and shaped to receive a horizontal tong of an L-shaped fork, and a vertically elongated plate disposed rearward of the horizontally elongated plate and coupled thereto by a pivotable coupling.
    Type: Grant
    Filed: November 17, 2011
    Date of Patent: July 3, 2012
    Inventor: Geoffrey R. Sharp
  • Publication number: 20110243699
    Abstract: An industrial truck is shown with a lifting frame, on which a load-receiving section is arranged so as to be movable vertically. The load-receiving section has at least one degree of movement freedom with respect to the lifting frame, which lies in a plane perpendicular to the main direction of travel of the industrial truck and has at least one horizontal component. In addition, a vibration control system is provided for damping or preventing vibrations in the relative position of load-receiving section and lifting frame.
    Type: Application
    Filed: March 21, 2011
    Publication date: October 6, 2011
    Applicant: Technische Universitat Munchen
    Inventors: Michael Kleeberger, Michael Buhl, Michael Schipplick, Willibald Günthner, Boris Lohmann, Rudy Eid
  • Publication number: 20100284773
    Abstract: A self propelled lift truck has a traction unit with a pair of rear ground engaging wheels, one rear wheel being mounted on each side of the traction unit, at least one ground engaging drive wheel being mounted on to the traction unit, a lift mechanism being mounted to the traction unit for pivotal movement about a vertical axis, the lift mechanism having a pair of foot members extending forwardly of the lift mechanism in spaced apart relationship, a front ground engaging wheel being mounted on each of the foot members for rotation about a transverse horizontal axis adjacent the front end of the foot member, a steering mechanism being provided by which the lift mechanism may be pivoted relative to the traction unit in order to steer the lift truck and one or more stability wheels being mounted adjacent the rear of the lift mechanism, the or each stability wheel being mounted for rotation about a fixed transverse horizontal axis, the stability wheels being clear of the ground when the lift mechanism is in a st
    Type: Application
    Filed: November 9, 2009
    Publication date: November 11, 2010
    Inventor: Frederick Leslie BROWN
  • Patent number: 7520213
    Abstract: The present invention relates to an apparatus and method for moistening and handling at least one bale. The apparatus includes an open-topped tank for containing a liquid for moistening the at least one bale, a base and a mast assembly extending upwardly from the base. The mast assembly is rotatable about its longitudinal axis. The apparatus further includes a boom carried by the mast assembly. The boom is moveable between a lowered position and a raised position relative to the base. There is also provided a bale gripping device that depends from the boom. The bale gripping device includes a bale guide for maintaining the at least one bale engaged in a submerged position within the tank to facilitate moistening of the at least one bale. A method of moistening and handling at least one bale is also disclosed.
    Type: Grant
    Filed: December 2, 2004
    Date of Patent: April 21, 2009
    Assignee: Gilbrea Consulting Ltd.
    Inventors: Robert James Wilson, William Charles Cecil Upshall
  • Patent number: 6837154
    Abstract: A bale moistening and handling apparatus including: an open-topped tank for containing liquid for moistening bales; means for gripping at least one bale; a boom, the boom having a first end and a second end, the bale gripping means mounted on the boom proximate to the first end; a mast, the mast adapted to slidably carry the second end of the boom, the mast operable to rotate about its longitudinal axis; and, means for operating the bale gripping means, the boom, and the mast; wherein a bale located at a first location can be submerged in the liquid in the tank to moisten the bale and thereafter be removed and deposited at a second location.
    Type: Grant
    Filed: May 8, 2002
    Date of Patent: January 4, 2005
    Assignee: Gilbrea Consulting Ltd.
    Inventor: Robert James Wilson
  • Patent number: 6758649
    Abstract: A fork lift truck attachment having side shiftable forks which can be adjusted for side loading and which can be tilted fore and aft laterally.
    Type: Grant
    Filed: May 21, 2003
    Date of Patent: July 6, 2004
    Inventor: Frank P. Scordilis
  • Publication number: 20030210977
    Abstract: A bale moistening and handling apparatus including: an open-topped tank for containing liquid for moistening bales; means for gripping at least one bale; a boom, the boom having a first end and a second end, the bale gripping means mounted on the boom proximate to the first end; a mast, the mast adapted to slidably carry the second end of the boom, the mast operable to rotate about its longitudinal axis; and, means for operating the bale gripping means, the boom, and the mast; wherein a bale located at a first location can be submerged in the liquid in the tank to moisten the bale and thereafter be removed and deposited at a second location
    Type: Application
    Filed: May 8, 2002
    Publication date: November 13, 2003
    Inventor: Robert James Wilson
  • Patent number: 6116843
    Abstract: A fork lift truck, adapted to be loaded on the rear of a carrying vehicle includes a chassis 1 bearing at least one power driven and steering rear wheel 8 and two fixed direction front wheels 16, 17. The front portion 2 of the fork lift truck that includes a mast 21 and two front wheels 16, 17, is pivotally interconnected to the chassis 1 about a vertical axis 3 so as to pivot between a use position in which the front portion 2 of the fork lift truck is aligned with the chassis 1 and a loading position in which the front portion 2 and the chassis 1 are perpendicular to each other.
    Type: Grant
    Filed: September 18, 1998
    Date of Patent: September 12, 2000
    Assignee: Manitou BF
    Inventor: Marcel-Claude Braud
  • Patent number: 6082080
    Abstract: A device for mechanically picking and palletizing rectangular objects of various sizes for attachment to a robotic arm. The device includes a pair of rails having a plurality of longitudinally spaced, elongated L-shaped grips extending there through. The distance between the respective rails can be adjusted to accommodate various width containers. The L-shaped grips are capable of pivotal rotation such that their grip ends rotate under the object for picking and palletizing. A pair of pallet hooks having suction cups attached thereto is also provided on the device.
    Type: Grant
    Filed: October 15, 1998
    Date of Patent: July 4, 2000
    Assignee: ABB Flexible Automation, Inc.
    Inventors: Carl F. Holter, John M. Manion
  • Patent number: 5915912
    Abstract: A fork lift with retractably extendable loading prongs for lifting loads from either side of a vehicle. The fork lift includes a mechanism for displacing the prongs over and across the vehicle, which mechanism has front and rear transverse girders which can be rigidly secured to the vehicle's chassis. The mechanism further includes front and rear masts, sprocketed wheels mounted on the masts to move the front and rear masts reciprocally, and a longitudinal beam which is coupled to the masts. The longitudinal beam can move up and down. Front and rear uprights extend downwardly from the longitudinal beam. The prongs are retractably engaged to the bottom of the uprights and are moved with hydraulic pistons.
    Type: Grant
    Filed: November 21, 1996
    Date of Patent: June 29, 1999
    Assignee: Ofakim Nerhavim Construction and Investments 1990 Ltd.
    Inventors: Baruch Parnes, Nachum Frankel
  • Patent number: 5653569
    Abstract: A turn-table attachment mountable on the tines of a vehicle mounted, vertically moveable, lift fork comprising a base frame with tubular tine receptive sockets, a turn-table rotatable about a fixed vertical axis projecting upwardly from the base frame, an auxiliary lift fork mounted in fixed position on the turn-table and having parallel spaced fork tines projecting radially outwardly of the turn-table periphery, power operated actuators carried by the base frame and selectively coupled to the turn-table for rotating the latter through an arc of at least 180.degree. whereby to position the auxiliary forks on opposite sides of the vehicle as selected.
    Type: Grant
    Filed: January 10, 1996
    Date of Patent: August 5, 1997
    Inventor: David E. Sears
  • Patent number: 5599155
    Abstract: An attachment for industrial trucks, especially lift trucks, is designed as a multi-articulated lever mechanism (11), preferably as a three-hinge arm. This is articulated to a support plate (1), which can be locked and/or fixed in a bracket of the industrial truck. The lever arms (5, 6, 7) of the lever mechanism (11) are rotatable in relation to one another in articulated axles (3, 8, 10), and can be driven, individually and/or in a simultaneous movement, at least in the horizontal direction by mechanical, hydraulic and/or electrical devices. A load pickup device (12), which can be used preferably as a pivoting retractable fork, is arranged at the last, freely hanging lever arm (7). At least one of the lever arms (5 or 6 or 7) is adjustable in height along its articulated axle (3 or 8 or 10).
    Type: Grant
    Filed: June 1, 1995
    Date of Patent: February 4, 1997
    Assignee: Wagner Fordertechnik GmbH
    Inventors: Volker Rohm, Gerard Vesin, Ulrich Freundt
  • Patent number: 5230598
    Abstract: A vehicle tire and wheel handling device in the form of a pair of tire and wheel receiving cradles or supports for receiving, supporting and handling vehicle tires and wheels when a vehicle is on a hoist in elevated position to facilitate the tires and wheels being "rotated", that is, being switched from one position on the vehicle to another position. Each cradle or support includes spaced parallel side support members interconnected by end rollers to cradle and receive a substantial portion of the periphery of a tire and wheel assembly in order to engage and support the wheel as it is removed from a wheel hub and maintain it supported in generally an upright position while the wheel is moved from a position adjacent one hub of the vehicle to a position adjacent another hub of the vehicle so that the tire and wheel assembly can be remounted on the vehicle on a different hub from which it was removed.
    Type: Grant
    Filed: January 28, 1992
    Date of Patent: July 27, 1993
    Inventors: Frank Steves, Jr., Jeff M. Steves, Brett V. Steves
  • Patent number: 5160238
    Abstract: A shift travel device, exemplified by a vertical lift arm device, is described which provides for free rotation of its cylinder and arm about its shaft and free travel along the shaft without transfer of twist imposed by the arm and load to its shaft, constant sealing of operating air pressure within the cylinder during operation and load changes, and minimum friction during rotation when the cylinder and arm are in the extreme raised or lowered positions. The device includes unique self-aligning spherical bearings at the ends of the cylinder. The device is useful is a wide variety of environments, including those which are unusually dirty or clean.
    Type: Grant
    Filed: July 18, 1990
    Date of Patent: November 3, 1992
    Assignee: Hermco
    Inventor: Goro Kambara
  • Patent number: 5112183
    Abstract: A side-loading all-terrain fork lift vehicle for handling heavy loads which are long relative to their width, e.g., junked cars, in a storage facility having multi-level racks separated by narrow aisles and with restricted vertical clearance between levels. The vehicle body has an elongated load-carrying frame section which includes a longitudinal torsion beam at one side, two transverse torsion beams at its front and rear ends, two transverse medial beams defining a guideway for the mast-carrying trolley, and cross-brace beams between the torsion beams and the medial beams. The front and rear wheel axles are supported by respective rocker frames pivotally mounted on the associated transverse torsion beams and adapted to be angularly moved up and down by respective hydraulic piston and cylinder units which enable the frame section to be lowered so as to rest on the ground during on-loading and off-loading for maximum stability of the vehicle.
    Type: Grant
    Filed: February 25, 1991
    Date of Patent: May 12, 1992
    Assignee: Howard G. Nusbaum
    Inventors: Howard G. Nusbaum, James A. Bevan
  • Patent number: 5087166
    Abstract: A handling vehicle is used for the interchanging or replacement of printed product reels and empty reel cores. The vehicle body has a substantially U-shaped frame in plan. On the frame is a structure (1), into which is integrated a working module (35) with a vertically adjustable manipulating device (4). This working module is movable at right angles to the vehicle body (2) and is arranged in the central area of the vehicle body. Longitudinally spaced from the working module (35) is a laterally movable gripping arm (12) fixed to the structure (1) on the vehicle body (2). The working module (35) is used for the handling and transportation of printing product reels (8) and the gripping arm (12) for handling and transporting empty reel cores (50).
    Type: Grant
    Filed: July 13, 1990
    Date of Patent: February 11, 1992
    Assignee: SFT AG Spontanfordertechnik
    Inventor: Werner Honegger
  • Patent number: 5036952
    Abstract: A load lift truck having a vertically extendible mast adapted for longitudinal displacement along a length of the truck chassis is disclosed. The truck includes a carriage mounted on the mast adapted for lateral displacement along the mast. The carriage fitted with a loadcarrying fork arrangement is adapted for angular rotation about a vertical axis. The truck is adapted for simultaneous operation of each of the aforesaid displacements and rotation thereby providing a means of maneuvering a load within a markedly smaller spatial environment with increased load.
    Type: Grant
    Filed: February 17, 1989
    Date of Patent: August 6, 1991
    Inventor: Clark N. Harper
  • Patent number: 4995774
    Abstract: A side-loading all-terrain fork lift vehicle for handling heavy loads which are long relative to their width, e.g., junked cars, and are stored in multi-level racks separated by narrow aisles and having restricted vertical clearance between levels. The vehicle body, which is about 28 feet long, has a longitudinal, low-slung, load-carrying frame section in front of an operator's cab and at its front and rear ends is mounted by hydraulic piston and cylinder units on front and rear ground wheels which can be independently driven and steered in forward or reverse through a full 180.degree. arc for straight ahead and sideways movements, for radius turning movement, and for crabwise movement. The mast is mounted on a trolley guided for reciprocal movement along a pair of transverse beams in the mid-region of the frame section which can be lowered by the hydraulic units so as to rest on the ground during on-loading and off-loading for maximum stability of the vehicle.
    Type: Grant
    Filed: April 25, 1989
    Date of Patent: February 26, 1991
    Assignee: Robert R. Gerzel
    Inventor: Howard G. Nusbaum
  • Patent number: 4968209
    Abstract: The invention relates to the provision of an automated material handling system for a cargo trailer which is integrated with an automated material handling system provided for a manufacturing assembly plant. The system for the cargo trailer includes a protective guard rail for bar-coded targets provided within the cargo trailer, modification of an automated lift truck which permits shifting of parts racks as they are loaded or unloaded from a cargo trailer and also exact positionment of parts racks with respect to an automated lift truck.
    Type: Grant
    Filed: July 3, 1989
    Date of Patent: November 6, 1990
    Assignee: Chrysler Corporation
    Inventor: William L. Noble
  • Patent number: 4880347
    Abstract: A load-carrying attachment for a vehicle to unload cargo from or load cargo onto the vehicle. The attachment includes a pair of spaced horizontal support beam assemblies having first and second ends. A cross beam connects the first ends of the beam assemblies to form a fixed frame with the beam assemblies. The cross beam is attachable to the vehicle such that the assembly is movable along the periphery of the vehicle. The attachment includes a pair of leg members, one of the leg members being attached to one of the support beam assemblies. The leg members include hydraulic cylinders for raising and lowering the support beam assemblies and wheel assemblies which can be employed as wheels when moving the attachment or as bases when the attachment is being employed to load or unload cargo. The attachment further includes a mast which is slidably attached to the beam assemblies such that it is movable along the beam assemblies. The mast is positioned between the beam assemblies.
    Type: Grant
    Filed: March 22, 1988
    Date of Patent: November 14, 1989
    Assignee: Luis A. Gigueroa
    Inventor: Jose O. Lombard
  • Patent number: 4838753
    Abstract: A lifting and towing unit mountable on a fifth wheel of a towing vehicle has an anchoring frame assembly with a king pin for coupling to the towing vehicle fifth wheel and a lifting frame assembly adapted to support a portion of a mobile load and to be releasably attached thereto and to the anchoring frame assembly in a fixed relation thereto. The unit also includes an arrangement in the form of a four-bar linkage interconnecting and mounting the lifting frame assembly rearwardly of and to the anchoring frame assembly for pivotal movement relative to the frame of the towing vehicle between lowered and raised positions.
    Type: Grant
    Filed: March 1, 1988
    Date of Patent: June 13, 1989
    Assignee: MGS, Inc.
    Inventors: Roland P. Gehman, Raymond G. Martin
  • Patent number: 4755099
    Abstract: The invention is an apparatus for supporting a load on the forks of a forklift while such load is being moved, wherein the relationship of the direction the load is moved to the direction the forklift moves is an oblique angle, the apparatus comprising:(A) a bottom member adapted with a means for attaching the apparatus to a forklift; and(B) a top member adapted for supporting a load, the top member pivotally attached to the bottom member, said top member adapted to pivot so as to support a load to be moved which must be moved in a direction which is at an oblique angle to the direction the forklift will move wherein the pivot point of the apparatus is located beyond the pivot point of a forklift when the apparatus is mounted on a forklift.
    Type: Grant
    Filed: October 17, 1986
    Date of Patent: July 5, 1988
    Assignee: The Dow Chemical Company
    Inventor: Shawn D. Belveal
  • Patent number: 4722657
    Abstract: In apparatus for transporting and storing bobbins, especially for removing them from automatic spinning machines, the bobbins are received and collected in an inclined collecting chute from a conveyor belt, are then brought into a horizontal arrangement as a result of the pivoting of the collecting chute, and are pushed in groups from the collecting chute into a transfer chute. A conveyor carrier belonging to a suspension conveyor and provided with at least one chute portion for receiving a group of bobbins is brought into a position adjacent to the transfer chute. The transfer chute is moved into a position located next to the chute portion of the conveyor carrier, and the bobbins are transferred into the chute portion of the conveyor carrier. The bobbins are subsequently moved into a desired target position by means of the conveyor carrier.
    Type: Grant
    Filed: March 31, 1986
    Date of Patent: February 2, 1988
    Assignee: Durkoppwerke GmbH
    Inventor: Erwin Grube
  • Patent number: 4660406
    Abstract: An apparatus for manipulating the upper and lower dies of a die set comprising a gantry having a fixture mounted on a main frame for up and down movement, and a sub-frame mounted on the fixture for 180.degree. of rotation. Clamping units are mounted on the sub-frame for clamping the upper die to the sub-frame when the fixture is in a lower position at a work-transfer station. The die set is transported on a cart to the work-transfer station where the upper die is clamped to the sub-frame. The fixture is raised to elevate the upper die to an upper position. The cart is moved away from the work-transfer station carrying only the lower die with it. The upper die is inverted, lowered onto a second cart and it, too, is then moved away from the work-transfer station. Both dies now face upwardly for convenient inspection, cleaning and/or repair. The transporter cart table on which the die set is supported can be rotated to any desired angle such as 90.degree.
    Type: Grant
    Filed: August 8, 1985
    Date of Patent: April 28, 1987
    Assignee: MWA Company
    Inventors: Clyde J. Rugh, John L. King, Jr., Francis M. Tuttle, William E. Jones
  • Patent number: 4648769
    Abstract: A round bale handler comprises a frame with a rear member, and a spike. The spike has a pointed front end to penetrate the round bale, and a rear end pivotally connected to the frame so that the spike is swingable between forward and sideways positions. The spike is of a sufficient length such that a front portion of it can penetrate through the axis of the bale and extend substantially along the entire length of it. Stop means are provided for releasably retaining the spike in the forward position and preventing it from swinging beyond each sideways position. A method of using the handler is also disclosed.
    Type: Grant
    Filed: May 1, 1984
    Date of Patent: March 10, 1987
    Inventor: William Stirling
  • Patent number: 4560317
    Abstract: Crate carrying apparatus able to be mounted on a fork lift truck or other lifting device, having at least first and second groups of crate engaging members which can be selectively presented for crate lifting, the engaging members of each group being spaced apart at distances appropriate to the spacing apart of apertures in the crates of a stack of crates of the particular group.
    Type: Grant
    Filed: October 27, 1983
    Date of Patent: December 24, 1985
    Inventor: Robert N. Kellett
  • Patent number: 4543031
    Abstract: In a material handling vehicle having an operator platform, a sideshift carriage mounted for lateral movement relative to the platform, a traverse carriage mounted for lateral movement relative to the sideshift carriage and forks mounted to the traverse carriage, an improved sideshift control system monitors the position of the sideshift carriage to define home positions for the sideshift carriage relative to the platform. Two home positions are defined, one for the forks facing to each side of the vehicle. The home positions offset the sideshift carriage to one or the other side of the platform to substantially center the load on the vehicle such that a portion of the base of the forks extends a set distance beyond one side of the platform, and the load supported on the forks extends approximately an equal distance beyond the opposite side of the platform.
    Type: Grant
    Filed: April 22, 1983
    Date of Patent: September 24, 1985
    Assignee: Crown Controls Corporation
    Inventors: Donald Luebrecht, Nicholas D. Thobe
  • Patent number: 4527942
    Abstract: A system for positioning an electronic test head of a test system with respect to an electronic device handler. A housing is provided having a vertical shaft. A positioner assembly moves vertically with respect to the shaft and provides substantial movement in the horizontal plane with six degrees of freedom. The positioner assembly includes a section for attaching the test head. A counterbalancing assembly is coupled to the positioner assembly and has a counterweight to provide a substantially weightless condition to the positioner assembly with the test head attached.
    Type: Grant
    Filed: August 25, 1982
    Date of Patent: July 9, 1985
    Assignee: InTest Corporation
    Inventor: Nathan R. Smith
  • Patent number: 4514127
    Abstract: Round bales require to be unrolled in order that the contents are available to the cattle and usually they are unrolled by mounting same in a frame and then towing the frame behind a tractor. The present device is mounted at the front of a tractor and includes a frame with two spaced and parallel prongs for spearing the bale in order to move it in position from a storage area. When in the desired location, the prongs are withdrawn and one of the prongs is engaged axially with the bale. The prong is then lowered until the periphery of the bale engages the ground at which time it is unlatched. The tractor is driven forward and to one side thus moving the bale and prong through approximately 90.degree. so that the axis of the bale is perpendicular to the direction of travel. Driving the tractor forward unrolls the bale raising the frame which is tilted forwardly, causes the prong to swing forwardly and latch automatically.
    Type: Grant
    Filed: July 22, 1983
    Date of Patent: April 30, 1985
    Inventor: Joseph W. Maier
  • Patent number: 4499971
    Abstract: An improved system for monitoring lift chains included within mast assemblies in material handling vehicles disables downward movement of the forks upon detection of a first level of slackness in a lift chain. Since upward movement of the forks is not disabled, the forks may be raised to clear any obstruction causing the chain slackness. A lift chain may also be monitored to detect a broken chain in which case all vertical movement of the forks is disabled. In a material handling vehicle wherein the operator is elevated along a first mast and the forks are elevated along a second mast connected to an operator's platform, dual lift chains in the first mast are individually monitored for both slackness and breakage while dual lift chains in the second mast are monitored in common primarily to detect slackness. Lateral and rotational movement of the forks is also disabled for detection of a slack or broken first mast lift chain, but not for detection of a slack or broken second mast lift chain.
    Type: Grant
    Filed: April 22, 1983
    Date of Patent: February 19, 1985
    Assignee: Crown Controls Corporation
    Inventors: Donald Luebrecht, Kim A. Klopfleisch
  • Patent number: 4449882
    Abstract: The cargo container carrier of this invention is configured to be removably attachable to the carriage structure of a conventional lift truck. The assembly comprises a vertically extensible main frame secured to the lift truck carriage, the frame pivotally supporting a first pair of tiltable container lifting beam sections for adjustment between an operative position in which they are in longitudinal extension, for engaging an empty cargo container for transport, and an inoperative position in which they extend along the lateral sides of the lift truck in order to allow for increased manueverability of the vehicle while not functioning in the transporting of cargo containers, and for operation of the lift truck in conventional uses and in confined spaces.
    Type: Grant
    Filed: May 20, 1982
    Date of Patent: May 22, 1984
    Assignee: Scott S. Corbett, Jr.
    Inventor: Lynn F. Perrott
  • Patent number: RE39997
    Abstract: A fork lift with retractably extendable loading prongs for lifting loads from either side of a vehicle. The fork lift includes a mechanism for displacing the prongs over and across the vehicle, which mechanism has front and rear transverse girders which can be rigidly secured to the vehicle's chassis. The mechanism further includes front and rear masts, sprocketed wheels mounted on the masts to move the front and rear masts reciprocally, and a longitudinal beam which is coupled to the masts. The longitudinal beam can move up and down. Front and rear uprights extend downwardly from the longitudinal beam. The prongs are retractably engaged to the bottom of the uprights and are moved with hydraulic pistons.
    Type: Grant
    Filed: June 29, 2001
    Date of Patent: January 8, 2008
    Assignee: Samson Lift Technologies LLC
    Inventors: Baruch Parnes, Nachum Frankel
  • Patent number: RE43024
    Abstract: A fork lift with retractably extendable loading prongs for lifting loads from either side of a vehicle. The fork lift includes a mechanism for displacing the prongs over and across the vehicle, which mechanism has front and rear transverse girders which can be rigidly secured to the vehicle's chassis. The mechanism further includes front and rear masts, sprocketed wheels mounted on the masts to move the front and rear masts reciprocally, and a longitudinal beam which is coupled to the masts. The longitudinal beam can move up and down. Front and rear uprights extend downwardly from the longitudinal beam. The prongs are retractably engaged to the bottom of the uprights and are moved with hydraulic pistons.
    Type: Grant
    Filed: February 13, 2006
    Date of Patent: December 13, 2011
    Assignee: Samson Lift Technologies LLC
    Inventors: Baruch Parnes, Nachum Frankel