US2732960A - Loading device for pick-up trucks - Google Patents

Loading device for pick-up trucks Download PDF

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US2732960A
US2732960A US2732960DA US2732960A US 2732960 A US2732960 A US 2732960A US 2732960D A US2732960D A US 2732960DA US 2732960 A US2732960 A US 2732960A
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members
pick
truck
trucks
arrangement
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60P—VEHICLES ADAPTED FOR LOAD TRANSPORTATION OR TO TRANSPORT, TO CARRY, OR TO COMPRISE SPECIAL LOADS OR OBJECTS
    • B60P1/00—Vehicles predominantly for transporting loads and modified to facilitate loading, consolidating the load, or unloading
    • B60P1/44—Vehicles predominantly for transporting loads and modified to facilitate loading, consolidating the load, or unloading having a loading platform thereon raising the load to the level of the load-transporting element
    • B60P1/4414—Vehicles predominantly for transporting loads and modified to facilitate loading, consolidating the load, or unloading having a loading platform thereon raising the load to the level of the load-transporting element and keeping the loading platform parallel to the ground when raising the load
    • B60P1/445—Vehicles predominantly for transporting loads and modified to facilitate loading, consolidating the load, or unloading having a loading platform thereon raising the load to the level of the load-transporting element and keeping the loading platform parallel to the ground when raising the load the loading platform, when not in use, being stored under the load-transporting surface
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60P—VEHICLES ADAPTED FOR LOAD TRANSPORTATION OR TO TRANSPORT, TO CARRY, OR TO COMPRISE SPECIAL LOADS OR OBJECTS
    • B60P1/00—Vehicles predominantly for transporting loads and modified to facilitate loading, consolidating the load, or unloading
    • B60P1/44—Vehicles predominantly for transporting loads and modified to facilitate loading, consolidating the load, or unloading having a loading platform thereon raising the load to the level of the load-transporting element
    • B60P1/4414—Vehicles predominantly for transporting loads and modified to facilitate loading, consolidating the load, or unloading having a loading platform thereon raising the load to the level of the load-transporting element and keeping the loading platform parallel to the ground when raising the load

Definitions

  • Claim. (Cl. 214 -77) My invention relates to a loading device for pickrup trucks.
  • An object of my invention is to provide a collapsible platform device which can be used to elevate objects for the purpose of loading the same onto trucks, and which collapsible device can then be forced into the truck after raising.
  • a further object of my invention is to provide a raisable platform arrangement which can be elevated to practically any desired height, and which when placed in the truck will be practically entirely enclosed.
  • a further object of my invention is to provide the foregoing arrangement in a simple structure.
  • my invention consists in the construction, arrangement, and combination of the various parts of my device, whereby the objects contemplated are attained, as hereinafter more fully set forth, pointed out in my claim, and illustrated in the accompanying drawings, in which:
  • FIG. l is a side elevation of the arrangement as applied to a pick-up truck, with a portion thereof being taken in section,
  • Figure 2 is a plan view of Figure 1
  • FIG. 3 is a sectional enlarged detail view taken along the lines 3-3 of Figure 2,
  • Figure 4 is a sectional enlarged view taken along the lines 4--4 of Figure 2,
  • Figure 5 is an enlarged sectional view taken along the lines 55 of Figure l.
  • Figure 6 is a side elevation showing the arrangement in collapsed position. 7
  • the character 10 designates the rear body or box portion of a pick-up truck, with the character 11 indicating the rear wheels, the character 12 the transverse bracing portions, and the character 13 the longitudinal bracing portions, it being understood that my invention will pertain to any type of pick-up truck.
  • the character 14 designates the rear door hinged at 15, which door in some cases will rest upon the bumper 16 as shown by the dotted lines.
  • a pair of vertically positioned channels 18 which extend the entire length of the box and terminate at the front wall 19.
  • the lengthened members 20 Received within the channels 18 are the lengthened members 20 to which are journalled at 21 the pairs of rollers 22, and pivoted at 23 to the members 20 are the further members 24 which are pivoted at 25 to a platform 26 which is suitably braced by means of the channel members 27.
  • Pivoted at 28 to the members 20 are the further members 29 which are pivoted at 30 to the platform 26, and pivoted between the members 24 and 29 at 31 are the further members 32.
  • the members 29 include the upwardly extending portions 33, and rigidly secured to the edges of the portions 33 and the members 29 are the semi-circular solid members 34 having the peripheral grooves 35 therein.
  • Attached to the members 20 are the pins 36 upon which are journalled the further rollers 37.
  • Secured at 38 to the members 29 are the cables 39 which pass through the grooves 35 and thence pass under the pulleys 40 which pulleys can be mounted on the same points as the pivotal points 23, the cables 39 thence passing about the further pulleys 41, 42 and 43, these pulleys then being attached to the cylindrical member 44, and threadably engaged within the cylindrical member 44 is the lengthened screw 45.
  • the pulleys 42 and 43 are mounted on a vertically positioned pin 46 attached between the plates 47 which are secured to the members 20, as is the pulley 41. Also secured between the plates 47 is a transverse bar 48 with which is slidably engaged the member 49 which extends into the portion 5% which receives the cylindrical member 44 to which it is tightly secured.
  • One of the members 20 includes an opening 51 which is adapted to receive the crank portion 52 terminating in the crank handle 53, and extending from the screw 45 is the socket 54 having a portion for registering with the square portion 55 of the member 52.
  • the screw 45 is journalled within the bracket 56.
  • a flat plate member 57 Attached to and across the channels 18 is a flat plate member 57 which extends substantially forwardly to the forward edge 58.
  • the character 59 designates the bottom wall of the truck body.
  • a pair of stop members 6% can be positioned within the channels 18 to limit outward movement of the arrangement by abutting against one of the rollers as shown,.such stop member however being of limited width in order to allow the roller 37 10132188 thereby when the unit is placed in the truck body.
  • the device operates in the following manner.
  • the arrangement is pulled outwardly with the parallelogram members allowing the same to fall to the position as shown in Figure 1, where the arrangement is then to be used for raising heavy articles, such as refrigerators, stoves, or anyother articles.
  • the article to be raised is then placed upon the platform 26, the crank portion 52 is inserted in the opening 51 with the crank portion 55 engaging the socket 54, whereby the crank is then rotated.
  • the members 32 assist in keeping the various elements 24 and 29 etc. in direct alignment as shown in Figure 6 and substantially at this point through the rigidifying effect of these members when the pivotal points are on dead center.
  • a hydraulic arrangement, or other similar arrangement, for pulling on the cables 39 it being understood that such devices can be placed between the framework members 20, and performing the same operation.
  • a loading device for pick-up trucks comprising a pair of spaced channel members attached within the pickup truck body, longitudinally extending members slidably engaged with said channel members, pairs of further members providing parallelograms pivotally secured to said longitudinally extending members, a platform pivotally se ured at; the.
  • collapsing means including arcuate members secured to certain of said further members, cables passing over said arcuatev members, a transverse member attached between said longitudinally extending members, a slid-able clamp engaged therewith, a threaded cylindrical member attached tov said clamp, a rotatable screw member threadably engaged with said cylindrical member, means for rotating said screw member, a plate member attached across said channels and extending to a substantial distance behind the front wall of the truck body, said platform registering flush with said plate member when said parallelogram members are collapsed and said device is positioned within the truck body, said longitudinally extending members including rollers attached thereto for engaging said channels.

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  • Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Auxiliary Methods And Devices For Loading And Unloading (AREA)

Description

Jan. 31, 1956 E. N. NILSON 2,732,960 7 LOADING DEVICE FOR PICK-UP TRUCKS Filed Feb. 11, 1955 6 INVENTOR.
28 0 E/mer /V- /V/'/son E lg =|4 $5 BY 38 34 Z 6 23 VORNE'Y United States Patent LOADING DEVICE FOR PICK-UP TRUCKS Elmer N. Nilson, Irene, S. Dak.
Application February 11, 1953, Serial No. 336,221
1 Claim. (Cl. 214 -77) My invention relates to a loading device for pickrup trucks.
An object of my invention is to provide a collapsible platform device which can be used to elevate objects for the purpose of loading the same onto trucks, and which collapsible device can then be forced into the truck after raising.
A further object of my invention is to provide a raisable platform arrangement which can be elevated to practically any desired height, and which when placed in the truck will be practically entirely enclosed.
A further object of my invention is to provide the foregoing arrangement in a simple structure.
With these and other objects in view, my invention consists in the construction, arrangement, and combination of the various parts of my device, whereby the objects contemplated are attained, as hereinafter more fully set forth, pointed out in my claim, and illustrated in the accompanying drawings, in which:
- Figure l is a side elevation of the arrangement as applied to a pick-up truck, with a portion thereof being taken in section,
Figure 2 is a plan view of Figure 1,
Figure 3 is a sectional enlarged detail view taken along the lines 3-3 of Figure 2,
Figure 4 is a sectional enlarged view taken along the lines 4--4 of Figure 2,
Figure 5 is an enlarged sectional view taken along the lines 55 of Figure l, and
Figure 6 is a side elevation showing the arrangement in collapsed position. 7
I have used the character 10 to designate the rear body or box portion of a pick-up truck, with the character 11 indicating the rear wheels, the character 12 the transverse bracing portions, and the character 13 the longitudinal bracing portions, it being understood that my invention will pertain to any type of pick-up truck. The character 14 designates the rear door hinged at 15, which door in some cases will rest upon the bumper 16 as shown by the dotted lines.
Securely attached to the side walls 17 of the box 10 are a pair of vertically positioned channels 18 which extend the entire length of the box and terminate at the front wall 19.
Received within the channels 18 are the lengthened members 20 to which are journalled at 21 the pairs of rollers 22, and pivoted at 23 to the members 20 are the further members 24 which are pivoted at 25 to a platform 26 which is suitably braced by means of the channel members 27.
Pivoted at 28 to the members 20 are the further members 29 which are pivoted at 30 to the platform 26, and pivoted between the members 24 and 29 at 31 are the further members 32.
The members 29 include the upwardly extending portions 33, and rigidly secured to the edges of the portions 33 and the members 29 are the semi-circular solid members 34 having the peripheral grooves 35 therein.
"ice
Attached to the members 20 are the pins 36 upon which are journalled the further rollers 37. Secured at 38 to the members 29 are the cables 39 which pass through the grooves 35 and thence pass under the pulleys 40 which pulleys can be mounted on the same points as the pivotal points 23, the cables 39 thence passing about the further pulleys 41, 42 and 43, these pulleys then being attached to the cylindrical member 44, and threadably engaged within the cylindrical member 44 is the lengthened screw 45.
The pulleys 42 and 43 are mounted on a vertically positioned pin 46 attached between the plates 47 which are secured to the members 20, as is the pulley 41. Also secured between the plates 47 is a transverse bar 48 with which is slidably engaged the member 49 which extends into the portion 5% which receives the cylindrical member 44 to which it is tightly secured.
One of the members 20 includes an opening 51 which is adapted to receive the crank portion 52 terminating in the crank handle 53, and extending from the screw 45 is the socket 54 having a portion for registering with the square portion 55 of the member 52. The screw 45 is journalled within the bracket 56.
Attached to and across the channels 18 is a flat plate member 57 which extends substantially forwardly to the forward edge 58. The character 59 designates the bottom wall of the truck body.
If desired, a pair of stop members 6% can be positioned within the channels 18 to limit outward movement of the arrangement by abutting against one of the rollers as shown,.such stop member however being of limited width in order to allow the roller 37 10132188 thereby when the unit is placed in the truck body.
The device operates in the following manner. When the device is to be used for loading heavy articles into the truck body, the arrangement is pulled outwardly with the parallelogram members allowing the same to fall to the position as shown in Figure 1, where the arrangement is then to be used for raising heavy articles, such as refrigerators, stoves, or anyother articles. The article to be raised is then placed upon the platform 26, the crank portion 52 is inserted in the opening 51 with the crank portion 55 engaging the socket 54, whereby the crank is then rotated. The continued rotation of the crank will cause the screw 45 to feed into the member 44 whereby the member 49 will slide along the member 48 toward the crank, and at the same time the cables 39 will be drawn in the same direction so that the attachment of the cables at 38 will cause the member 29 to raise to an elevated position, with the further members 24, etc. following. The operation'is continued until the members appear as shown in Figure 6. At this point, since all 'of the main members 24 and 29 are in direct alignment with the channels 18, they can then be forced inwardly in the direction of the arrow 69a, after the crank 53 has been removed, carrying the article on the platform into the truck, and until the front. end of the platform 26 abuts against the edge 58 of the plate 57, thereby providing acontinuous level surface, after which the article can be easily forced toward the forward end of the truck body. It will be noted that the pull of the cables 39 about the semi-circular member 34 permits the pull to be applied at a constant radius above the pivoting points so that the pull is uniform at all times.
The members 32 assist in keeping the various elements 24 and 29 etc. in direct alignment as shown in Figure 6 and substantially at this point through the rigidifying effect of these members when the pivotal points are on dead center.
In some instances it may be desired to elevate the platform to a higher elevation when unloading from g 3 the truck, which is performed by'winding the screw 45 still further when necessary, whereby the parallelogram members 24, 29., etc. will continue to swing until these occupy the upper dotted position as shown in Figure 1, whereby an article placed on the platform can be unloaded to ahigher dock or other location. Only portions of the members 34 are shown in Figure 6 in order to clarify the operation, these members of course sliding into the truck With the members 29. Also, it will be understood that the channels 18 will be longer than shown, so. that when'the entire arrangement is placed in the truck, the rear edge of the same will be practically flush with the rear door 14 when closed. When the. arrangement is placed in the truck body, the members 34 will be positioned at either side and out of the way. 1
In some cases it may be desired to use, a hydraulic arrangement, or other similar arrangement, for pulling on the cables 39, it being understood that such devices can be placed between the framework members 20, and performing the same operation.
It will now be seen that I have provided the various advantages set forth in the objects of my invention with various other advantages being readily apparent.
Some changes may be made in the construction and arrangement of the parts of my invention without departing from the real spirit and purpose of my invention, and it is my intention to cover by my claim any modified forms of structure or use of mechanical equivalents which may be reasonably included within their scope.
I claim as my invention:
A loading device for pick-up trucks comprising a pair of spaced channel members attached within the pickup truck body, longitudinally extending members slidably engaged with said channel members, pairs of further members providing parallelograms pivotally secured to said longitudinally extending members, a platform pivotally se ured at; the. ower nds of said fur r members, means for collapsing said further members to an aligned position with saidlongitudinally extending members whereby said longitudinally extending members can be directed inwardly within said channels and into the truck body for transporting articles on said platform therein, said collapsing means including arcuate members secured to certain of said further members, cables passing over said arcuatev members, a transverse member attached between said longitudinally extending members, a slid-able clamp engaged therewith, a threaded cylindrical member attached tov said clamp, a rotatable screw member threadably engaged with said cylindrical member, means for rotating said screw member, a plate member attached across said channels and extending to a substantial distance behind the front wall of the truck body, said platform registering flush with said plate member when said parallelogram members are collapsed and said device is positioned within the truck body, said longitudinally extending members including rollers attached thereto for engaging said channels.
References Cited in the file of this patent UNITED STATES PATENTS 893,491 Hansen July 14, 1908 1,052,096 Schulze Feb. 4, 1913 1,465,787- Broady Aug. 21, 1923 1,699,882 Ferguson Jan. 22, 1929 2,033,243. Jester Mar. 10, 1936 2,298,166 Richards 1 Oct. 6, 1942 2,350,641 Ruddo ck June 6, 1944 2,527,818 Ives Oct. 31, 1950 FOREIGN PATENTS 483,128 France a Mar. 8, 1917 440,233 Great Britain Dec. 23, 1935 85,758 Sweden Mar. 3, 1936
US2732960D Loading device for pick-up trucks Expired - Lifetime US2732960A (en)

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Cited By (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3002719A (en) * 1959-08-10 1961-10-03 Boeing Co Cargo handling equipment for cargo airplanes
US4579503A (en) * 1983-11-02 1986-04-01 Leyman Manufacturing Corp. Sideloader elevator platform
US4909700A (en) * 1989-02-03 1990-03-20 Invercan, Inc. Lift for wheelchairs
US5110252A (en) * 1990-05-24 1992-05-05 Hogan Mfg., Inc. Wheelchair lift for transit vehicles having elevated passenger compartment floor
BE1013289A3 (en) * 2000-02-17 2001-11-06 Dhollander Jan Jozef Prudence Device for loading and unloading a vehicle
WO2002074580A1 (en) * 2001-03-15 2002-09-26 Maxon Lift Corporation Unitary liftgate
WO2002034566A3 (en) * 2000-10-25 2002-10-10 Lift U Division Hogan Mfg Inc Wheelchair lift having a lift arm support
US20040156705A1 (en) * 2001-03-15 2004-08-12 Karapet Ablabutyan Unitary lift gate
US20110255943A1 (en) * 2010-04-14 2011-10-20 L Ecuyer Jerry Automobile luggage compartment storage device
US8821103B1 (en) * 2010-08-12 2014-09-02 Dan A. Matthews Lift attachable to a vehicle
US20150003944A1 (en) * 2012-01-20 2015-01-01 Paul G. Eidsmore System and apparatus for loading/unloading cargo from suv or truck bed
US20160067121A1 (en) * 2013-04-19 2016-03-10 Passenger Lift Services Limited Lift apparatus for a vehicle
US9327632B1 (en) 2009-01-30 2016-05-03 Excel Industries, Inc. Translating cargo bed
US20180043814A1 (en) * 2015-03-10 2018-02-15 Presby Patent Trust Loading/unloading device for a delivery vehicle
US10232757B2 (en) * 2016-09-22 2019-03-19 Bernardo Sawatzky Pick-up truck cargo lift system and method
US11364834B2 (en) 2020-11-10 2022-06-21 David William PRESBY Loading/unloading device for a delivery vehicle
US12005825B2 (en) 2020-11-10 2024-06-11 David William PRESBY Loading/unloading device for a delivery vehicle

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US893491A (en) * 1908-04-04 1908-07-14 William M Hansen Loading apparatus.
US1052096A (en) * 1912-03-11 1913-02-04 Andrew Schulze Loading and unloading device.
FR483128A (en) * 1916-10-10 1917-05-31 Louis Renault Bucket control device for loading automobile truck platforms
US1465787A (en) * 1920-06-28 1923-08-21 American Balsa Company Inc Apparatus for lowering and raising ships' boats
US1699882A (en) * 1926-10-16 1929-01-22 Alonzo W Ferguson Skid
GB440233A (en) * 1934-03-17 1935-12-23 Rene Leon Marcel Maquard Improvements in or relating to vehicles for the conveyance and manipulation of frames, cases and other heavy objects
US2033243A (en) * 1935-08-24 1936-03-10 Harry E Jester Loading device
US2298166A (en) * 1941-05-10 1942-10-06 Richards Philip Power tailgate
US2350641A (en) * 1942-04-27 1944-06-06 Ruddock William Truck loader
US2527818A (en) * 1948-09-09 1950-10-31 Burton H Ives Tail gate lift for trucks

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US893491A (en) * 1908-04-04 1908-07-14 William M Hansen Loading apparatus.
US1052096A (en) * 1912-03-11 1913-02-04 Andrew Schulze Loading and unloading device.
FR483128A (en) * 1916-10-10 1917-05-31 Louis Renault Bucket control device for loading automobile truck platforms
US1465787A (en) * 1920-06-28 1923-08-21 American Balsa Company Inc Apparatus for lowering and raising ships' boats
US1699882A (en) * 1926-10-16 1929-01-22 Alonzo W Ferguson Skid
GB440233A (en) * 1934-03-17 1935-12-23 Rene Leon Marcel Maquard Improvements in or relating to vehicles for the conveyance and manipulation of frames, cases and other heavy objects
US2033243A (en) * 1935-08-24 1936-03-10 Harry E Jester Loading device
US2298166A (en) * 1941-05-10 1942-10-06 Richards Philip Power tailgate
US2350641A (en) * 1942-04-27 1944-06-06 Ruddock William Truck loader
US2527818A (en) * 1948-09-09 1950-10-31 Burton H Ives Tail gate lift for trucks

Cited By (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3002719A (en) * 1959-08-10 1961-10-03 Boeing Co Cargo handling equipment for cargo airplanes
US4579503A (en) * 1983-11-02 1986-04-01 Leyman Manufacturing Corp. Sideloader elevator platform
US4909700A (en) * 1989-02-03 1990-03-20 Invercan, Inc. Lift for wheelchairs
US5110252A (en) * 1990-05-24 1992-05-05 Hogan Mfg., Inc. Wheelchair lift for transit vehicles having elevated passenger compartment floor
BE1013289A3 (en) * 2000-02-17 2001-11-06 Dhollander Jan Jozef Prudence Device for loading and unloading a vehicle
WO2002034566A3 (en) * 2000-10-25 2002-10-10 Lift U Division Hogan Mfg Inc Wheelchair lift having a lift arm support
WO2002074580A1 (en) * 2001-03-15 2002-09-26 Maxon Lift Corporation Unitary liftgate
GB2388360A (en) * 2001-03-15 2003-11-12 Maxon Lift Corp Unitary liftgate
US20040156705A1 (en) * 2001-03-15 2004-08-12 Karapet Ablabutyan Unitary lift gate
GB2388360B (en) * 2001-03-15 2005-02-23 Maxon Lift Corp Unitary liftgate
US6948903B2 (en) * 2001-03-15 2005-09-27 Maxon Lift Corporation Unitary liftgate
US9327632B1 (en) 2009-01-30 2016-05-03 Excel Industries, Inc. Translating cargo bed
US8398358B2 (en) * 2010-04-14 2013-03-19 Jerry L'Ecuyer Automobile luggage compartment storage device
US20110255943A1 (en) * 2010-04-14 2011-10-20 L Ecuyer Jerry Automobile luggage compartment storage device
US8821103B1 (en) * 2010-08-12 2014-09-02 Dan A. Matthews Lift attachable to a vehicle
US20150003944A1 (en) * 2012-01-20 2015-01-01 Paul G. Eidsmore System and apparatus for loading/unloading cargo from suv or truck bed
US9545869B2 (en) * 2012-01-20 2017-01-17 Paul G. Eidsmore System and apparatus for loading/unloading cargo from SUV or truck bed
US20160067121A1 (en) * 2013-04-19 2016-03-10 Passenger Lift Services Limited Lift apparatus for a vehicle
US9603760B2 (en) * 2013-04-19 2017-03-28 Passenger Lift Services Limited Lift apparatus for a vehicle
US20180043814A1 (en) * 2015-03-10 2018-02-15 Presby Patent Trust Loading/unloading device for a delivery vehicle
US10576863B2 (en) * 2015-03-10 2020-03-03 Presby Patent Trust Loading/unloading device for a delivery vehicle
US11161445B2 (en) * 2015-03-10 2021-11-02 David William PRESBY Loading/unloading device for a delivery vehicle
US10232757B2 (en) * 2016-09-22 2019-03-19 Bernardo Sawatzky Pick-up truck cargo lift system and method
US11364834B2 (en) 2020-11-10 2022-06-21 David William PRESBY Loading/unloading device for a delivery vehicle
US12005825B2 (en) 2020-11-10 2024-06-11 David William PRESBY Loading/unloading device for a delivery vehicle

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