EP3168184A1 - Cadre de levage de chariot de manutention - Google Patents

Cadre de levage de chariot de manutention Download PDF

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Publication number
EP3168184A1
EP3168184A1 EP16195262.7A EP16195262A EP3168184A1 EP 3168184 A1 EP3168184 A1 EP 3168184A1 EP 16195262 A EP16195262 A EP 16195262A EP 3168184 A1 EP3168184 A1 EP 3168184A1
Authority
EP
European Patent Office
Prior art keywords
mast
lifting device
abutment
traction means
lifting
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP16195262.7A
Other languages
German (de)
English (en)
Inventor
Heiko Rattke
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
STILL GmbH
Original Assignee
STILL GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by STILL GmbH filed Critical STILL GmbH
Publication of EP3168184A1 publication Critical patent/EP3168184A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F9/00—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes
    • B66F9/06—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes movable, with their loads, on wheels or the like, e.g. fork-lift trucks
    • B66F9/075—Constructional features or details
    • B66F9/08—Masts; Guides; Chains

Definitions

  • the invention relates to a mast of an industrial truck with a liftable and lowerable mast component, which is formed by a load-receiving means and / or at least one extension mast, wherein at least one lifting device and at least one traction means is provided for raising and lowering the mast component, wherein the lifting device on a Abutment is supported in the vertical direction and wherein the traction means is fixed with a first end to the liftable and lowerable mast component and is guided over a deflection roller on which the traction means is deflected.
  • Such masts can be designed as einschüssiges mast (so-called simplex mast) with a stationary mast, in which a load-receiving means can be raised and lowered as liftable and lowerable mast component.
  • Such masts can also be designed as a multi-arm mast, for example as a duplex mast, which consists of a stationary mast and a liftable and lowerable mast, or as a triplex mast, which consists of a fixed mast and two liftable and lowerable masts, or quadruple Mast, consisting of a fixed mast and three liftable and lowerable extension masts.
  • a load-carrying means can be raised and lowered in the extension mast.
  • the extension mast and the load handler form a liftable and lowerable component of the mast.
  • the at least one extension mast and / or the load receiving means at least one lifting device and at least one traction means is provided.
  • the lifting device is supported on an abutment in the vertical direction.
  • the traction means is attached at a first end to the liftable and lowerable mast component and guided over a deflection roller, on which the traction means is deflected.
  • a lifting device is used to lift the extension mast relative to the stationary mast.
  • the lifting and lowering device which can be raised and lowered in the extension mast can be raised and lowered relative to the extension mast by means of a further lifting device, whereby a so-called free lift for the load receiving means is achieved.
  • it can be raised by means of a traction means that can be raised and lowered in the extension mast lifting device.
  • a traction device this is attached with a first end to the load-receiving means. With the second end of the traction means is mounted in known masts to the stationary mast and is guided over a pulley in the upper region of the extension mast and deflected in the region of the extension mast.
  • a lifting device In a duplex mast or a triplex mast with a free lift of the lifting device, a lifting device is used, which can lift the load receiving means, without causing an extension of the extension mast.
  • the lifting device actuates a pulling means connected to the load-receiving means, which is deflected on a deflection roller which is fastened to the lifting device.
  • the traction means are attached to the second end of the supporting structure of the mast.
  • the supporting structure of the mast usually consists of two vertical rails, which are laterally spaced and are interconnected by means of a plurality of cross members.
  • the connection of the cross member with the vertical rails is usually done by welded joints.
  • the load-receiving means for a free lift is provided with a lifting device, which on a lower cross member of the extension mast as Abutment is supported in the vertical direction and the traction means, which is attached to the first end to the load receiving means and is deflected by a pulley on the lifting device, attached to the second end to a central cross member of the extension mast, the lower cross member of the contact force the lifting device acted upon and the middle cross member of the tensile force of the traction means.
  • the deflection of the traction device is supported on the abutment of the lifting device as a supporting force twice the amount of tensile force of the traction device.
  • the abutment of the lifting device forming the lower cross member on which the supporting force of the lifting device is initiated, and the middle cross member on which the tensile force of the traction means is introduced are thus moved away from each other when lifting the load receiving means and loaded on bending. This creates a power flow in the extension mast, which causes high loads on the welds, by means of which the rails and the cross member of the extension mast are connected to each other.
  • the present invention has for its object to provide a mast of the aforementioned type available, which is improved in terms of loads and the power flow.
  • the traction means is attached to the second end of the lifting device or on the abutment of the lifting device.
  • the abutment of the lifting device and its attachment such as welds in the case of a welded joint of the abutment with the rails of the mast, with which the forces are introduced into the supporting structure of the mast, can thus be made smaller and space-saving.
  • other components of the mast are relieved because with the invention of the power flow of the tensile force of the lifting means no longer passes through the rails of the mast.
  • the Mast according to the invention is thus improved in terms of loads and power flow and allows a cost-saving design.
  • the deflection roller is arranged on the lifting device.
  • the load receiving means or an extension pole can be lifted in a simple manner.
  • the lifting device is expediently designed as a lifting cylinder, in particular a hydraulic or pneumatic lifting cylinder, or as a linear drive, in particular a spindle drive.
  • the traction means is attached according to an advantageous embodiment of the invention with the second end by means of a load introduction element on the lifting device or on the abutment of the lifting device.
  • a load introduction element to which the traction means is attached to the second end the tensile force of the traction device can be introduced into the lifting device or into the abutment of the lifting device in a simple manner.
  • the load introduction element may be located on the lifting device at any position.
  • the load introduction element may be formed as an additional component, which is attached to the lifting device, or designed as an integral part of the lifting device.
  • the load introduction element is attached to a housing base component of the lifting device, for example a cylinder base of a lifting cylinder, or formed as an integral part of the housing base component of the lifting device.
  • the load introduction element is attached to a housing head component of the lifting device, for example a cylinder head of a lifting cylinder, or formed as an integral part of the housing head component of the lifting device.
  • the load introduction element is attached to a housing middle component of the lifting device, for example a cylinder housing of a lifting cylinder, or formed as an integral part of the housing middle component of the lifting device.
  • the load introduction element may be attached according to an alternative and advantageous embodiment of the invention to the abutment of the lifting device or be formed as an integral part of the abutment of the lifting device.
  • the load introduction element in which the tensile force of the traction means is introduced, and the abutment of the lifting device, on which the lifting cylinder is supported by the contact force, are thus integrated into one component. This results in a particularly short and advantageous power flow.
  • the load introduction element can be fastened to the housing base component or the housing head component or the housing middle component of the lifting device or the abutment in a form-fitting manner, for example by screwing, or by a material fit, for example by a welded connection. If the load introduction element is designed as an additional component which is to be fastened to the lifting device or to the abutment, the connection of the load introduction element with the lifting device or the abutment by a cohesive or a positive connection can be done in a simple manner.
  • the abutment is formed according to an advantageous embodiment of the invention as a cross member which connects two laterally spaced rails of the mast with each other.
  • the lifting device may be supported at an arbitrary position on the abutment.
  • the lifting device with the housing base component, for example, a cylinder bottom of a lifting cylinder, supported on the abutment.
  • the lifting device with the housing head component, for example, a cylinder head of a lifting cylinder, supported on the abutment.
  • the lifting device is supported on the abutment with the housing middle component, for example a cylinder housing of a lifting cylinder.
  • the traction means may be formed by a single traction means.
  • the traction means may be composed of at least two different traction means.
  • the two traction means are suitably connected to each other by means of a connecting element.
  • the lifting device can according to an advantageous embodiment of the invention to get up over the entire surface of the abutment.
  • a support element is provided according to an embodiment of the invention, which is spaced in the longitudinal direction of the lifting device of the abutment. If the lifting device only rests with a portion on the abutment and the traction means initiates the tensile force on the lifting device, created by the tensile force on the lifting device, a torque. This torque can be supported by means of a support element, which is spaced from the abutment longitudinal direction of the lifting device in a simple manner to the rails of the mast.
  • the traction means can be guided in a simple manner through the passage opening of the support element to the load introduction element.
  • the support member is formed according to an advantageous embodiment of the invention as a cross member which connects two laterally spaced rails of the mast with each other.
  • the connecting element is provided with a length adjustment for the traction means according to an embodiment of the invention.
  • the traction means can be designed as a lifting chain, for example as a flyer chain, or as a lifting belt, for example as a belt, toothed belt or compound belt, or as a hoisting rope.
  • the second traction means may be formed as a rod.
  • Such a rod designed as a threaded rod expediently comprises a combination of a left-hand thread and a right-hand thread.
  • the abutment and the support element are positively or materially connected to the lifting device.
  • the lifting device in this case has elements for a positive connection to the abutment and the support element.
  • FIGS. 1 a and 1 b is a designed as a duplex mast lifting frame 1 of the prior art shown.
  • the mast 1 consists of a stationary mast 2 and an extendable in the mast 2 and lowered extendable mast 3.
  • the mast 2 is formed, for example, as an outer mast and the extension mast 3 as an inner mast.
  • a load-receiving means 4 is arranged raised and lowered.
  • the load-receiving means 4 comprises a lifting slide 5, to which a load fork with two forks 6 is fastened in the illustrated embodiment.
  • FIGS. 1 a and 1 b, the extension mast 3 and the load receiving means 4 forms a liftable component of the mast 1.
  • a lifting device 6 is provided for raising and lowering the Ausfahrmastes 3 and the load receiving means 4.
  • the lifting device 6 is beispielswiese designed as a hydraulic lifting cylinder 6a.
  • the lifting device 6 designed as a lifting cylinder 6a comprises a housing 7, for example a cylinder housing, which is supported on the stationary mast 2 in the vertical direction, and an extendable piston rod 8, which is fastened to the extension mast 3.
  • a pulley 10 is further attached.
  • a traction means 11, for example, a lifting chain, out which is attached to a first end 11 a to the load-receiving means 4 and with a second end 11 b on the stationary mast 2.
  • FIGS. 2a to 2c is a designed as a triplex mast mast 1 of the prior art shown.
  • the mast 1 consists of a stationary mast 2, a raised in the stationary mast 2 and lowered first Ausfahrmast 3 a and in the first Ausfahrmast 3 a raised and lowered arranged second Ausfahrmast 3 b.
  • the stand mast 2 is designed, for example, as an outer mast, the first extension mast 3a as a center mast and the second extension mast 3b as an inner mast.
  • a load-receiving means 4 is arranged raised and lowered.
  • the load-receiving means 4 comprises a Lifting carriage 5, to which in the illustrated embodiment, a fork with two forks 6 is attached.
  • FIGS. 2a to 2c the two extension masts 3a, 3b and the load-receiving means 4 form a liftable component of the mast 1.
  • a lifting device 6 For lifting and lowering the two extension masts 3a, 3b, a lifting device 6 is provided.
  • the lifting device 6 is beispielswiese designed as a hydraulic lifting cylinder 6a.
  • the lifting device 6 designed as a lifting cylinder 6a comprises a housing 7, for example a cylinder housing, which is supported on the stationary mast 2 in the vertical direction, and an extendable piston rod 8, which is fastened to the first extending mast 3a.
  • a pulley 10 On the piston rod 8 a pulley 10 is further attached.
  • a traction means 11, for example, a lifting chain, out which is attached to a first end 11 a to the second Ausfarmast 3b and a second end 11 b on the stationary mast 2.
  • a further lifting device 16 is provided for raising and lowering of the load-receiving means 4 in the second extension mast 3b.
  • the lifting device 16 is beispielswiese designed as a hydraulic lifting cylinder 16a.
  • the lifting device 16 designed as a lifting cylinder 16a comprises a housing 17, for example a cylinder housing, which is supported on the second extension mast 3b in the vertical direction, and an extendable piston rod 18.
  • a deflection roller 20 is further attached.
  • a traction means 21, for example a lifting chain, out which is attached to a first end 21a on the load-receiving means 4 and with a second end 21b on the second extension mast 3b.
  • the lifting device 16 forms a so-called free lift of the load receiving means 4, with which the load receiving means 4 without raising the extension masts 3a, 3b can be raised and lowered.
  • FIG. 2b shows the load-carrying means 4 at the upper end of the free lift.
  • FIGS. 1a to 2c comprise the stationary mast 2 and the extension masts 3, 3a, 3b as a supporting structure in each case two laterally spaced profile rails, which are interconnected by means of a plurality of cross members.
  • the cross members are welded to the profile rails.
  • the lifting device 6 is supported with the cylinder housing 7 on the supporting structure of the stationary mast 2, for example, a lower cross member or an abutment of the stationary mast 2.
  • the lifting device 16 is supported with the cylinder housing 17 on the supporting structure of the second extension mast 3b, for example a lower cross member of the second extension mast 3b.
  • the power flow is diverted by the extension of the extension masts 3a, 3b or of the load-receiving means 4 and diverted via various structural components of the supporting structure and welds of the welded joints.
  • the lifting device 16 is supported by the cylinder housing 17 on the supporting structure of the second extension mast 3b, for example, a lower cross member or an abutment of the second extension mast 3b, and the traction means 21 is attached to the second end 21 b on a central cross member of the second extension mast 3b.
  • the lower cross member of the second extension mast 3b is thus acted upon by the contact force of the lifting device 16 and the middle cross member of the second extension mast 3b of the tensile force of the traction means 21.
  • FIGS. 3 to 10 Embodiments of a mast 1 according to the invention are shown. With the FIGS. 1a to 2c the same components are provided with the same reference numerals.
  • FIG. 3 is a designed as a duplex mast according to the invention mast 1 shown.
  • the mast 1 consists of a stationary mast 2 and a raised in the mast 2 and lowered extendable mast 3.
  • the mast 2 is formed, for example, as an outer mast and the extension mast 3 as an inner mast.
  • a load-receiving means 4 is arranged raised and lowered.
  • the load-receiving means 4 comprises a lifting slide 5, to which a load fork with two forks 6 is fastened in the illustrated embodiment.
  • FIG. 3 forms the extension mast 3 and the lifting device 4 a liftable component of the mast 1.
  • a lifting device 6 is provided for raising and lowering of the extension mast 3 and the lifting device 4.
  • the lifting device 6 is beispielswiese designed as a hydraulic lifting cylinder 6a.
  • the lifting device 6 designed as a lifting cylinder 6a comprises a housing 7, for example a cylinder housing, which is mounted on the stationary mast 2 in the vertical direction is supported, and an extendable piston rod 8 which is fixed to the extension mast 3 by means of a connecting element 9.
  • a pulley 10 is further attached.
  • a traction means 11 for example a lifting chain, guided, which is attached to a first end 11a on the load-receiving means 4.
  • the lifting device 6 is supported in the vertical direction on an abutment 30 of the stationary mast 2.
  • the abutment 30 may be formed, for example, by a lower cross member 30 a of the stationary mast 2.
  • the traction means 11 is attached to the second end 11 b of the lifting device 6.
  • the traction means 11 is attached to a load introduction element 35 for this purpose.
  • the load introduction element 35 may be formed as an integral part of the housing 7 of the lifting device 6 or be formed as a separate component which is fixed to the housing 7 of the lifting device 6.
  • This attachment of the load introduction element 35 to the housing 7 of the lifting device 6 can be designed as a positive connection, for example a screw connection, or as a material connection, for example a welded connection.
  • the load introduction element 35 is arranged in the lower region of the lifting device 6, for example on a cylinder bottom of a lifting device 6 designed as a lifting cylinder 6a.
  • the load introduction element 35 can be formed as an integral part on the cylinder bottom.
  • the load introduction element 35 can be arranged at any position on the lifting device 6.
  • FIG. 4 an embodiment is shown in which the load introduction element 35 is arranged in the middle or upper region of the lifting device 6, for example on a cylinder housing or a cylinder head of a stroke cylinder 6a designed as a lifting device. 6
  • the lifting device 6 is supported with the lower end in the vertical direction on the abutment 30 of the stand mast 3.
  • the support of the lifting device 6 on the abutment 30 may alternatively be carried out at any position of the lifting device 6.
  • this Abutment 30 is arranged in the middle or upper region of the lifting device 6, for example on a cylinder housing or a cylinder head of a lift cylinder 6a designed as a lifting device 6.
  • the load introduction element 35 is analogous to the FIG. 4 arranged in the middle or upper region of the lifting device 6, for example on a cylinder housing or a cylinder head of a lifting device 6a designed as a lifting device. 6
  • the abutment 30 and the load introduction element 35 are combined to form a component.
  • the load introduction element 35 can be fastened to the abutment 30 or can be formed as an integral part of the abutment 30.
  • This component can be arranged at any position of the lifting device 6.
  • the component which has the function of the abutment 30 and the load introduction element 35 may be formed as a cross member 30 a of the stationary mast 2.
  • the traction means 11 is preferably designed as a lifting chain, for example as a flyer chain.
  • the lifting means such as leaf chain, trained traction means 11 is connected at the second end 11 b by means of a connecting element 40 with a second traction means 45 in connection, which is fixed to the load introduction element 35.
  • the second traction means 45 is designed as a cable 46.
  • the connecting element 40 may be provided with a length adjustment for the traction means 11.
  • the second pulling means 45 is formed as a rod 47.
  • the rod 47 may be made as a threaded rod with a combination of a right-hand thread with a left-hand thread to allow a length adjustment of the traction means 11.
  • FIGS. 1 to 7 Both FIGS. 1 to 7 is the lifting device 6 over the entire surface on the abutment 30.
  • FIG. 8 is the lifting device 6 only with a portion on the abutment 30.
  • a support member 50 is provided which is spaced from the abutment 30 in the longitudinal direction of the lifting device 6.
  • the support member 50 may be formed as a cross member 50 a of the stationary mast 2.
  • the support element 50 can be arranged at any position of the lifting device 6.
  • the support member 50 is provided with a through hole 51 through which the traction means 11 is passed.
  • FIG. 9 forms the support member 50 at the same time the load introduction element 35 to which the traction means 11 is attached.
  • the abutment 30 and the support member 50 is positively connected to the lifting device 6.
  • the lifting device 6 is for this purpose provided with elements 60, 61 which have a positive connection to the abutment 30 and the support element 50.
  • the mast 1 consists of a stationary mast 2, a raised in the stationary mast 2 and lowered first Ausfahrmast 3 a and in the first Ausfahrmast 3 a raised and lowered arranged second Ausfahrmast 3 b.
  • the stand mast 2 is designed, for example, as an outer mast, the first extension mast 3a as a center mast and the second extension mast 3b as an inner mast.
  • a load-receiving means 4 is arranged raised and lowered.
  • the load-receiving means 4 comprises a lifting slide 5, to which a load fork with two forks 6 is fastened in the illustrated embodiment.
  • the two extension masts 3a, 3b and the load-receiving means 4 form a liftable component of the mast 1.
  • a lifting device 6 For lifting and lowering the two extension masts 3a, 3b, a lifting device 6 is provided.
  • the lifting device 6 is beispielswiese designed as a hydraulic lifting cylinder 6a.
  • the lifting device 6 designed as a lifting cylinder 6a comprises a housing 7, for example a cylinder housing, which is supported on the stationary mast 2 in the vertical direction, and an extendable piston rod 8 which is fastened to the first extending mast 3a by means of a connecting element 9.
  • a pulley 10 On the piston rod 8 a pulley 10 is further attached.
  • a traction means 11 for example, a lifting chain, out, which is attached to a first end 11a on the second extension mast 3b and with a second end 11b on the load introduction element 35.
  • the lifting device 6 is supported in the vertical direction on an abutment 30 of the stationary mast 2.
  • the abutment 30 may be formed, for example, by a lower cross member 30 a of the stationary mast 2.
  • the traction means 11 is attached to the second end 11 b of the lifting device 6.
  • the traction means 11 is attached to a load introduction element 35 for this purpose.
  • the load introduction element 35 may be formed as an integral part of the housing 7 of the lifting device 6 or be formed as a separate component which is fixed to the housing 7 of the lifting device 6.
  • This attachment of the load introduction element 35 to the housing 7 of the lifting device 6 can be designed as a positive connection, for example a screw connection, or as a material connection, for example a welded connection.
  • the load introduction element 35 is arranged in the lower region of the lifting device 6, for example on a cylinder base of a lifting device 6 designed as a lifting cylinder.
  • the load introduction element 35 can be formed as an integral part on the cylinder bottom.
  • a further lifting device 16 For raising and lowering of the load-receiving means 4 in the second extension mast 3b, a further lifting device 16 is provided.
  • the lifting device 16 is beispielswiese designed as a hydraulic lifting cylinder 16a.
  • the designed as a lifting cylinder 16a lifting device 16 includes a housing 17, for example a Cylinder housing, which is supported on the second extension mast 3b in the vertical direction, and an extendable piston rod 18.
  • a guide roller 20 On the piston rod 18, a guide roller 20 is further attached.
  • a traction means 21 for example, a lifting chain, out, which is fastened with a first end 21a to the load-receiving means 4.
  • the lifting device 16 forms a so-called free lift of the load receiving means 4, with which the load receiving means 4 without lifting the extension masts 3a, 3b can be raised and lowered.
  • the lifting device 16 is supported in the vertical direction on an abutment 30 of the second extension mast 3b.
  • the abutment 30 may be formed, for example, by a lower cross member 30a of the second extension mast 3b.
  • the traction means 21 is attached to the second end 21 b of the lifting device 16.
  • the traction means 21 is attached to a load introduction element 35 for this purpose.
  • the load introduction element 35 may be formed as an integral part of the housing 17 of the lifting device 16 or be formed as a separate component which is attached to the housing 17 of the lifting device 16.
  • This attachment of the load introduction element 35 to the housing 17 of the lifting device 16 can be designed as a positive connection, for example a screw connection, or as a material connection, for example a welded connection.
  • the load introduction element 35 is arranged in the lower region of the lifting device 16, for example on a cylinder base of a lifting device 16 designed as a lifting cylinder.
  • the load introduction element 35 can be formed as an integral part on the cylinder bottom.
  • FIG. 10 Alternatively to the introduction of force of the tensile force of the traction means 11,21 according to the embodiment of FIG. 3 also the embodiments of FIGS. 4 to 9 can be used for this purpose.
  • FIGS. 3 to 10 is significantly reduced by the inventive attachment of the traction means 11, 21, the Aufstandskraft the lifting device 6, 16 on the abutment 30.
  • a smaller dimensioning of the abutment 30 and the welds of the abutment 30 is possible, with which the abutment 30 is attached to the stationary mast 2 and the second extension mast 3b.
  • runs in the mast 1 of the invention FIGS. 3 to 10 the power flow of the tensile force of the traction means 11, 21 no longer on the rail profiles of the stationary mast 2 and the extension mast 3b. Overall, thus a cost-saving design of the mast 1 can be achieved.

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  • Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Structural Engineering (AREA)
  • Civil Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mechanical Engineering (AREA)
  • Forklifts And Lifting Vehicles (AREA)
EP16195262.7A 2015-11-11 2016-10-24 Cadre de levage de chariot de manutention Withdrawn EP3168184A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102015119468.6A DE102015119468A1 (de) 2015-11-11 2015-11-11 Hubgerüst eines Flurförderzeugs

Publications (1)

Publication Number Publication Date
EP3168184A1 true EP3168184A1 (fr) 2017-05-17

Family

ID=57189923

Family Applications (1)

Application Number Title Priority Date Filing Date
EP16195262.7A Withdrawn EP3168184A1 (fr) 2015-11-11 2016-10-24 Cadre de levage de chariot de manutention

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EP (1) EP3168184A1 (fr)
DE (1) DE102015119468A1 (fr)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3221840A (en) * 1963-03-18 1965-12-07 Cascade Corp Load-lifting structure with latch mechanism
US3972388A (en) * 1975-08-04 1976-08-03 Towmotor Corporation Lift truck mast assembly with a resilient chain positioner
JPS5499277U (fr) * 1977-12-26 1979-07-13
US4421208A (en) * 1981-02-09 1983-12-20 Clark Equipment Company Upright fork lift truck
JP2009078898A (ja) * 2007-09-26 2009-04-16 Sumitomonacco Materials Handling Co Ltd リーチフォークリフト
US20110206489A1 (en) * 2010-01-15 2011-08-25 Don Ford Load transport system and method

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3221840A (en) * 1963-03-18 1965-12-07 Cascade Corp Load-lifting structure with latch mechanism
US3972388A (en) * 1975-08-04 1976-08-03 Towmotor Corporation Lift truck mast assembly with a resilient chain positioner
JPS5499277U (fr) * 1977-12-26 1979-07-13
US4421208A (en) * 1981-02-09 1983-12-20 Clark Equipment Company Upright fork lift truck
JP2009078898A (ja) * 2007-09-26 2009-04-16 Sumitomonacco Materials Handling Co Ltd リーチフォークリフト
US20110206489A1 (en) * 2010-01-15 2011-08-25 Don Ford Load transport system and method

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Publication number Publication date
DE102015119468A1 (de) 2017-05-11

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