US2170932A - Dump truck and loader therefor - Google Patents

Dump truck and loader therefor Download PDF

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Publication number
US2170932A
US2170932A US12589737A US2170932A US 2170932 A US2170932 A US 2170932A US 12589737 A US12589737 A US 12589737A US 2170932 A US2170932 A US 2170932A
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body
bucket
means
truck
tilting
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Venema William
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Venema William
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60PVEHICLES ADAPTED FOR LOAD TRANSPORTATION OR TO TRANSPORT, TO CARRY, OR TO COMPRISE SPECIAL LOADS OR OBJECTS
    • B60P1/00Vehicles predominantly for transporting loads and modified to facilitate loading, consolidating the load, or unloading
    • B60P1/04Vehicles predominantly for transporting loads and modified to facilitate loading, consolidating the load, or unloading with a tipping movement of load-transporting element
    • B60P1/16Vehicles predominantly for transporting loads and modified to facilitate loading, consolidating the load, or unloading with a tipping movement of load-transporting element actuated by fluid-operated mechanisms
    • B60P1/20Vehicles predominantly for transporting loads and modified to facilitate loading, consolidating the load, or unloading with a tipping movement of load-transporting element actuated by fluid-operated mechanisms with toothed gears, wheels, or sectors; with links, cams and rollers, or the like
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T74/00Machine element or mechanism
    • Y10T74/18Mechanical movements
    • Y10T74/18888Reciprocating to or from oscillating
    • Y10T74/18976Rack and pinion

Description

Aug. 29, 1939. w. VENEMA DUMP TRUCK AND LOADER THEREFOR Sheets-Sheet l 3 Mai;

. 4 shuts-sheet 2 Aug. 29, 1339.. w. VENEMA DUMP. TRUCK AND LOADER THEREFOR Filed FebQlZ, 1937 Aug. 29,1939. w. VENEMA DUMP TRUCK AND LOADER THEREFQR 4 Sheets-Sheet 3 Filed Feb. 12. 1937 www uni 0 T 6 mm Q Q MN &

Aug. 29, 1939. w. VENEMA DUMP TRUCK AND LOADER THEREFOR Filed Feb. 12, 1957 4 sneaks-sheet :4

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Patented 29, j

UNITE STATES PATENT OFFICE ,nunr rancx a I l maummgmte an ucmmalcrzu-m I aware that dump trucks and mechanism including piston operated means tovtiltingthe body of the vehicle to discharge the contents thereof are old in the art and likewise that various pivotally operated bucket loaders for loading or charging the vehicle body have been disclosed in various patents but, generallystated,

my invention is directed to certain novel features aflording the utilization of'the powered mechanism which is employed for tilting and dumping the vehicle body for also operating the loader for loading or charging the vehicle body. In other words, my invention contemplates the use of a powered mechanism such as a hydraulic cylinder hoist for tilting the vehicle body into dumping position or for operating a bucket loader to charge the vehicle body.

I have preferred to illustrate my invention in an adaptation of its principles to a dump truck having'a. tilting body plvotally mounted. on the truck frame, including a pair of cams secured to the underside of the bottom of the body, a pair of rollers cooperating with the cams for tilting the body and a single hydraulic cylinder hoist for operating the cam-engaging rollers. My invention is however adaptable to types of body tilting mechanisms other than such cam and roller type.

I the provision of a bucket loader operator for a Among the objects of my invention is to provide a novel power mechanism including a singleiluidoperated piston adapted to selectively actuate either the means for tilting the vehicle body or the loader operating means.

- Another object of my invention is found in the provision 01' a fluid-operated mechanism including a single reciprocable piston rod operator,

means for operatiyely connecting or disconnecting the piston rod operator respectively to or from the bucket loader operator and separate means for operatively connecting or disconnecting" the piston rod operator respectively to or from means for tilting the vehicle body; the arrangement being such that the power of the single piston rodoperator may readily be employed to either .tilt

the vehicle body or to operate the bucket loader.

Still another object of my invention resides in dump truck including a pair of bucket-supporting arms pivotally mounted on the truclr or on the ends of an operating shaft and means i'or reversibly rotating the shaft responsively. to they reciprocation of a power-operated piston rod 01 eratively connected to a toothed rack which is in mesh with s toothed pinion ad pt d o be peratively connected or disconnected respectively to or from the operating shaft.

A further object of my invention resides in the provision of means for operatively connecting or disconnecting the body tilting cam-engag- 5 ing' rollers respectively to or from actuation by the piston rod; such-means including a disensaaeable connection between the toothed rack and a cross-head supporting the cam-engaging 10 rollers.

A still further object of my invention is found in the provision or pivoted doors for the body which are selectively automatically operable to opened or closed positions by the bucket-supportlng arms through a pair of rollers on-each door 15 adapted to be engaged by the bucket-supporting arms to lift the door and on reverse movement permit thedoor to close by gravity after the discharge of the. bucket.

It'is also a feature oi my invention to provide '20 .the body doors with rollers which are normally disposedin alignment with the loader arms but I which. can be moved into positions out of alignthe body tilted into dumping position;

Fig. 3 is an enlarged end view of one of the door rollers and the retainer therefor;

Fig. 4 is a side view of the door roller and re-- tainer shown in Fig. 3;

Fig. 5 is a longitudinal section through a portion of the hydraulic power mechanism adapted for tilting the truck body or for operating the bucket loader: I a

Fig. 8 is a cross-section taken on line 6-8 oi 45 Fig. 5; and

Fig. 7 is a sectional plan view taken on line 1-1 of Fig-6.

In the illustrated embodiment of my invention aahere sh'own in the drawings, the truck genso erally indicated by numeral I 1 includes a frame ii, an operator's cab" and body It pivotally mounted on the rear end 01' the truck frame on body is a pair of metallic cams IS.

The top of the body I3 is of arcuate form. One

' or. preferably a pair of charging openings having doors I1 hinged at one end as at I '!A are provided in the top of the body. Each door I1 is provided on each side thereof with a roller [3 loosely mounted on the end of a shaft l9 whichis slidably supported in a bearing and an angle support 2|. Both bearing 20 and angle 2| are fixed to the top of the door. A collar 22 fixed to the shaft it limits its outward movement by engagement with the bearing 20 and a coil spring 23 is interposed between the collar 22and angle 2| to normally maintain the rollers l3 disposed within the paths of the arms 24 of the bucket loader. I

The construction and operation of the bucket loader and its arms 24 will be described later in the matterto follow but it may now'be stated that the doors I] are arranged to be opened through the engagement of the rollers l3.by the swinging bucket arms 24 and the doors I! are arranged to close by gravity .upon reverse movement 'of the arms 24. Since the rollers It on both doors I1 are disposed within the path of the arms 24 means must be provided for retracting the pair of rollers of one door inwardly out of the path of the arms 24 to permit use of the other door, or in the event it is desired to swing the arms 24 and the loading bucket forwardly of the truck to a position near the cab l2 to permit the body l3 to be tilted into dump g D08ition then the rollers It on both doors ll must be moved inwardly to permit the bucket arms 24 to be swung past such rollers without opening the doors l1. Such retracting means are provided, as for example in the illustrations in Figs. 3 and 4, and includes an engageable member 25 in the form of a circular collar fixed-to shaft It. A shiftable bar 26 is slidably mounted in bearing 21 under each door roller. The bar 23 is formed with an outwardly bent forked end 28 which embraces the shaft l9 adjacently to member 23 and is adapted upon upward movement to engage the member 25 and by cam effect of the outwardly-bent forked end to shift the member 23 and shaft l9 with the roller l8 against the pressure of spring 23 inwardly out of the path of thebucket arm 24, At its lower end the bar 23 is provided with a. bent handle portion 23 having a projection 26 on its rear face which is adapted to be seated in either one of the grooves 23* in the face of the leaf spring 28 securely mounted on the side of the body. The grooves 23 being arranged to frictionally. retain the bar 23 in raised or lowered positions and a collar 23 secured to bar 26 limits its lowermost position by its engagement with one end of the bearing 21.

The arms 24 are securely fixed to the ends of an operating shaft 30 rotatably supported in suitable bearings 30' mounted rigidly on the structural side members 3| of the truck frame. The upper ends of the arms 24 are preferably curved and pivotally connected to links 32 which are pivotally connected to brackets 33 rigidly secured to the sides of the loading bucket 34.

The bucket 34' consistsof abottom 34, an angular discharge side 34 ends 34, and a side. comprising a rigid portion 34 and a hinged upper portion 34 which may be released from the latches 35 todrop position to facilitate loading of the bucket when supported on the ground as shown dotted in Fig.1. v

In the swinging movement of the arms 24, the bucket 34 will be lifted upwardly over the top or the body i3 and the rollers I! of the desired door I1 will be engaged by the arms 24 to lift the door to open position to permit thebody l3 to receive the charge from the bucket 34 as it,is tilted into discharge position by the chain 36 one end of which is connected near the discharge edge of the bucket and the other to a spring 31 which is fixed to an underneath portion of the body. Since the bucket in the present case is adapted to discharge into two different openings in the top of the body, obviously, the chain 36 is provided with two spaced hooks to permit movement of the bucket into two, different dumping positions.

I will now describe the novel power-driven mechanism which is adapted to selectively operate the bucket loader or to tilt the truck body into dumping position.

One of the most important features of my invention resides in the selective utilization of a single power unit mounted on the truck frame for tilting the truck body or for operating the loader therefor.

Hydraulic power may be used and inl such case the well known power unit will include the cylinder with piston and piston rod, a power takeoif to fit the truck transmission, a heavy duty oil pump, a pump drive shaft connected to the power take-off, a 3-way control valve incorporated in the pump body and operable from the driver's seat for regulating and controlling the raising, holding and lowering of the truck body or for operating the bucket loader, and three control levers at the drivers seat, one for operating the power take-on, one for operating the 3-way pump valve, and one for selectively operatively coupling the power unit with the body dumping instrumentalities or with the bucket loader.

The power-driven mechanism which I have selected to illustrate the principles of my invention is more clearly shown in Figs. 5, 6 and '7. The hydraulic cylinder 39 which is rigidly suitably mounted on the truck frame and includes a piston 43 and piston rod 4| the exterior portion of which is slidably extended through a crosshead 42 and the end of which is rigidly connected to an upstanding end portion 43 of a toothed rack 43 so that the rack 43 reciprocates with the piston rod 4|.

The teeth 43 of the rack 43 are formed on its lower face and the upper face is arranged for slidable support in a suitably extended portion of the wall of the cylinder 39 The cross-head 42 is provided with a pair of supporting flanged rollers 44 which are arranged to ride on tracks 43 also rigidly secured to the truck frame. Disposed inwardly of and adjacently to the supporting rollers 44 is a pair of flanged cam-operating rollers 43 which are aligned for engagement with a pair of spaced body cams l6 mounted on shafts 43 in bearings 49 securely fixed under the lower face of the floor of the tiltable body I3 to suitable structural members 50 which are secured to the body fioor.

Since the piston rod 4| extends through the cross-head 42 it is readily apparent that the outer end of the rack 43, which is fixed to the end of the piston rod 4i, is also supported on the cross-head 42 and its rollers 44.

Centrally and loosely mounted on shaft 30 is a gear I which is always in mesh with the teeth of the rack 43.

As shown in Figs. 6 and 7, the gear ii is in operative engagement with a clutch 52 which is always operatively connected to shaft 33 and 'which-may be disengaged from gear l'i'n .event it is desiredto operatively disengage the the bucket operating shaft 30. This disengagement of clutch 52 from gear 5| is accomplishedby the movement of lever 53 in the driver's cab which is connected by rod 54 to a bell crank 55 having a forked end 55 in operative engagement with clutch 52 whereby same may be shifted into and out of engagement with gear 5|. The bell crank 55 is pivotally mounted-on the cross-member 53 of the truck frame.

When the clutch 52 is coupled with the gear 5| the bucket arms 24 may be swung to raise the bucket 34 from its loading position at the rear end of the truck into discharge position foi' either ,one of the two body openings, or into position beyond the forward end of the truck to-clear the body during its tilting, and as above stated, when the bucket loader is operated, the cross-head 42 with its cam-engaging rollers 45 is operatively disconnected from the rack 43. This condition is illustrated in Figs. 5, 6 and 7.

When the driver wishes to tilt the body I3,

the bucket is moved to the forward end of the truck and disconnected from-operation with shaft 33 by a movement of lever 53 to disengage clutch 52 from the gear 5i and in such movement the bell crank end 55 will move rearwardly of the truck and through its connection with link 55 will cause the arm 51, which is keyed to shaft 53, to swing rearwardly of the truck to rotate shaft 58.

The shaft 53 is rotatably mounted in bearings 50 fixed to a suitable truck cross-member ii.

The cross-head 42 is provided with spaced depending portions 42 embracing the sides ofthe rack 43 arranged to permit sliding movement of the rack 43 and its tooth 43 therebetween. The depending portions 42 and the inner integral end of the cross-head are also provided with a vertically disposed slot 42 adapted to receive a coupling yoke 52 loosely mounted therein.

The yoke 52 comprises a" top cross-member 52 and a pair of vertically disposed side members 52 The coupling yoke 52 functions as a coupling means or connection between the rack 43 and the cross-head 42. When the yoke 52 is raised into inoperative position by means of a pair of cams 53 which are rigidlyflxed to shaft 58, the rack 43 and its tooth 43. will pass between the depending portions 42 and under the yoke crossmember 62 without moving the cross-head 42. The elements are illustrated in this condition in Figs. 5, 6 and 7.

But as stated above, in the tilting operation of the truck body I3, the shifting of lever 53 will disengage clutch 52 from gear 5! and will through the simultaneous movement of link 55, am 51, and shaft 58 cause thecams 53 to be lowered to permit the yoke 52 to slide by gravity into such position that its cross-member 52 will rest on the top face of the rack 43 and will become an abutment engageable by the rack tooth 43 to thus form a coupling between the rack 43 and the cross-head 42 and in the forward movement of the piston rod 4! and the rack 43, the crosshead 42 will be moved forwardly with its rollers 46 pushing against the cams [5 to raise the body 3 I3 about its pivot l4 into tilted dumping position whereupon the pivoted end gate 54 of the body l3 will open by gravity to permit the discharge of the contents of the truck body therethrough.

A reverse operation of the 3-way control valve will cause a reverse movement of the piston rod 4! and its associated rack 43 and cross-head 42 to permit the body "to be lowered into loading position on the'truck frame, and if then the lever 53 is moved in the opposite direction, the clutch 52 will be moved in operative engagement with gear 5| to cause operation of shaft 35 and bucket loader through the operative connection existing between the gear Ilotnd rack 43 but in such event the eross-head 42 will be operatively disengaged from the rack 43 since shaft 53 will have been rotated with its cams -53 to raise the coupling yoke 32 to permit the rack" and its tooth 43 to pass freely through and between the yoke depe'nding portions.

I am aware that after the perusal of the above description and attached drawings various other means and arrangements for engaging and disengaging the power-actuated unit respectively to and from the body tilting meansor to and from the loader operating means, may be readily devised and substituted for those whichI have preferredto show as an example or illustration of one embodiment of my'invention, hence I do not wish to limit myself to such particular design of mechanism, details of construction and arrangement shown and described herein and my intention is to claim my invention as broadly as the state of r the art permits.

I claim:

1. In a dump truck having a tilting body and a bucket loader for loading said body, the combination with a single source of power, of a poweractuated member operable by said single source of power, means 'for tilting said body, means for operating said bucket loader, and instrumentalities for selectively operatively connecting said power-actuated member with either one of-said means for operative movement thereof independently of the movement of the other of said means, said bucket loader being supported on the chassis of the dump truck for movement-"independent of the movement of said truck body. r

2. In a dump truck having a tilting body and a pivotally mounted loading bucket for loading said body, the combination of asingle source-of power, a power-actuated'member, means for tilting the body, means for operating said loading bucket,

and instrumentalities for selectively operatively connecting said power-actuated member with either one' of said means to thereby move the selected one of said means independently of the .movement of the other of said means, said bucket loader being supported on the chassis of the dump truck for movement independent of the movement of said truck body.

3. In adump truck having a tilting body and a pivotally mounted loading bucket for loading said power, a power-actuated reciprocating member, means for tilting said body, means for reciprocating said loading bucket between its loading and unloading positions, and selectively operable devices for operatively connecting said power-actuated reciprocating member with either of said means, said body being tiltable without moving without moving the other of said means.

body, the combination of a single source 01" 5. In a dump truck having a chassis, a tiltable body and a loading bucket adapted to be moved member with said bucket raising and loweringmeans, and separate means for operatively con-- necting said power-actuated member with said body tilting means. j

6. In a dump truck having a tiltable. body and a loading bucket adapted'to be moved from a lower level to a higher level over the top of said truck body and to discharge its contents into said truck body, said loading bucket being mounted on the chassis of said truck, a power-actuated member on said truck and continuously connected to a single 'source of power, means for tilting said body, means for raising and lowering said loading bucket, means for discharging said bucket, clutchoperated means for operatively connecting said power-actuated member with said bucket raising and lowering means, and separate means for operatively connecting said power-actuated member with said body tilting means, said truck body being movable into discharge position independently of the movement of said bucket.

7. In a dump truck as embodiedin claim 5 and including operating means connecting said body tilting means and said bucket raising and lowering means arranged forselectively connecting said power-actuated member with said body tilting means and simultaneously disconnecting said bucket raising and lowering means and vice versa.

8. In a dump truck, and in combination, a tilting body mounted on said truck, a pair of cams fixed to said body, a movable tilting member mounted on said truck including a pair of rollers adapted to forcibly engage said cams to tilt said body, a shaft rotatably mounted on said truck, a pair of arms connected to said shaft, a loading bucket carried by said arms and adapted to be moved by said arms from its loading position into discharge position above said body, a single poweractuated piston member, coupling means for operatively coupling said power-actuated member with said movable tilting member, separate coupling means for operatively coupling said power-actua,17o,eaa

ated member with said shaft to oscillate said bucket-supporting arms, and operating means connected to both of saidvcoupling means whereby either one or the other "of said coupling means is adapted to be selectively placed into coupling operation to either tilt the body or to operate the loading bucket, said body being tiltable without moving the bucket or its supporting arms.

9. In a dump truck having a tilting body and a loading bucket pivotally mounted on the truck and in combination, a power-actuated reciprocable rack, a shaft mounted on the truck, a gear loosely mounted on said shaft and in mesh with said rack, means for tilting said body, coupling means ar'ranged'to form an operative connection between said gear and said shaft, separate coupling means arranged to form an operative connection between said rack and said body tilting means, and means for disengaging the coupling connection in either of said coupling means.

10. In a dump truck having a tilting body with an arcuate top, and in combination, a plurality of hinged doors on said arcuate body top, a pair of axially bodily shiftable rollers on each of said doors, said rollers being supported to extend beyond the sides of said body, a pivotally mounted arm on each side of said body, a bucket carried on the free ends of said arms, power-operated means for swinging said arms and bucket into selected discharge positions above the top of the body, said rollers normally extending into the paths of said arms and being engageable by said arms to lift said doors into open position to permit the bucket to discharge its contents into the body, and means for axially shifting one or more of the pairs of said rollers out of the path of said arms to permit said arms to pass such shifted pair or pairs of rollers and to engage an extended pair of rollers to open a selecteddoor or to permit such arms to bypass all of said rollers 'to position the bucket forwardly of the truck to permit the tilting of the truck body.

11. In a dump truck as embodied in claim 10 and including resilient means for retaining said rollers in. extended positions within the paths of said bucket-supporting arms, and each of said rollers having a shaft and a collar on said shaft, and said shifting means comprising a slidably mounted cam member adapted to engage said collar to shift said shaft and roller out of the path of the bucket arm.

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Cited By (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2445614A (en) * 1945-09-05 1948-07-20 Silent Hoist & Crane Co Inc Load handling apparatus
US2457039A (en) * 1945-12-29 1948-12-21 Matthew B Butler Self-loading truck
US2480959A (en) * 1947-07-03 1949-09-06 Harry E Presnell Cargo loader for vehicles
US2514053A (en) * 1948-10-30 1950-07-04 Be Ge Mfg Co Roller and track unit for the power actuated endgate of scrapers
US2525384A (en) * 1949-01-17 1950-10-10 Lester L Troutman Truck loader
US2541965A (en) * 1946-09-14 1951-02-13 James D Whitson Truck loader
US2548613A (en) * 1947-06-11 1951-04-10 Alon A Monson Cable controlled dump box
US2576001A (en) * 1949-01-25 1951-11-20 James W Daniels Self-loading and unloading auto truck
US2581753A (en) * 1950-04-28 1952-01-08 Lee A Cooper Combined truck and implement carrier
US2609953A (en) * 1951-05-07 1952-09-09 Arthur G Schramm Trailer loader
US2662654A (en) * 1951-02-12 1953-12-15 Lourie L Eakin Vehicle loading and unloading apparatus
US2681739A (en) * 1950-04-17 1954-06-22 Structo Mfg Company Toy utility truck
US2706570A (en) * 1952-12-12 1955-04-19 Vernon E Jewell Bale loading attachment for automotive vehicle
US2708047A (en) * 1951-03-05 1955-05-10 Ralph E Seidle Movable body hauling unit for vehicles
US2763387A (en) * 1952-11-19 1956-09-18 Weber Joseph Rudolph Automatic dumping trucks
US2845192A (en) * 1954-11-16 1958-07-29 Klaus Kaspar Excavating and self-loading dump truck
US2885902A (en) * 1953-10-21 1959-05-12 Leon J Bazzoni Pneumatic feed attachment for tape dispensers
US2954885A (en) * 1956-06-25 1960-10-04 Borg Warner Material handling device
US3148793A (en) * 1961-07-14 1964-09-15 Truck Equipment Co Inc Side loader for refuse vehicle bodies
US3175712A (en) * 1961-06-06 1965-03-30 Dempster Brothers Inc Material handling equipment
US3207343A (en) * 1962-03-12 1965-09-21 Thomas E Ord Trash loading system
DE3325404A1 (en) * 1983-07-14 1985-01-24 Koepf Erich Fahrzeugbau Loading device for large box-like containers

Cited By (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2445614A (en) * 1945-09-05 1948-07-20 Silent Hoist & Crane Co Inc Load handling apparatus
US2457039A (en) * 1945-12-29 1948-12-21 Matthew B Butler Self-loading truck
US2541965A (en) * 1946-09-14 1951-02-13 James D Whitson Truck loader
US2548613A (en) * 1947-06-11 1951-04-10 Alon A Monson Cable controlled dump box
US2480959A (en) * 1947-07-03 1949-09-06 Harry E Presnell Cargo loader for vehicles
US2514053A (en) * 1948-10-30 1950-07-04 Be Ge Mfg Co Roller and track unit for the power actuated endgate of scrapers
US2525384A (en) * 1949-01-17 1950-10-10 Lester L Troutman Truck loader
US2576001A (en) * 1949-01-25 1951-11-20 James W Daniels Self-loading and unloading auto truck
US2681739A (en) * 1950-04-17 1954-06-22 Structo Mfg Company Toy utility truck
US2581753A (en) * 1950-04-28 1952-01-08 Lee A Cooper Combined truck and implement carrier
US2662654A (en) * 1951-02-12 1953-12-15 Lourie L Eakin Vehicle loading and unloading apparatus
US2708047A (en) * 1951-03-05 1955-05-10 Ralph E Seidle Movable body hauling unit for vehicles
US2609953A (en) * 1951-05-07 1952-09-09 Arthur G Schramm Trailer loader
US2763387A (en) * 1952-11-19 1956-09-18 Weber Joseph Rudolph Automatic dumping trucks
US2706570A (en) * 1952-12-12 1955-04-19 Vernon E Jewell Bale loading attachment for automotive vehicle
US2885902A (en) * 1953-10-21 1959-05-12 Leon J Bazzoni Pneumatic feed attachment for tape dispensers
US2845192A (en) * 1954-11-16 1958-07-29 Klaus Kaspar Excavating and self-loading dump truck
US2954885A (en) * 1956-06-25 1960-10-04 Borg Warner Material handling device
US3175712A (en) * 1961-06-06 1965-03-30 Dempster Brothers Inc Material handling equipment
US3148793A (en) * 1961-07-14 1964-09-15 Truck Equipment Co Inc Side loader for refuse vehicle bodies
US3207343A (en) * 1962-03-12 1965-09-21 Thomas E Ord Trash loading system
DE3325404A1 (en) * 1983-07-14 1985-01-24 Koepf Erich Fahrzeugbau Loading device for large box-like containers

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