US1278971A - Truck. - Google Patents

Description

W. GVMAYER.

TRUCK.

k APPLICATIOKFILED MAR. 22' 3918. 1 ,278,971

Patehted Sept. 17,1918.

3 SHEETS-SHEET I.

W. G. MAYER.

TRUCK.

APPLICATION FILED MAR. 22. I918. 1,278,971. Patented Sept. 1?, 191&

3 SHEETS-SHEET 2.

as I WIT ESSE v V I mvsu'ron 5% MM m 7 MZ4 I W. G. MAYER.

' TRUCK.

' APPLICATI ON F ILED MAR. 22, l l- I 1,278,971. PatentedSept..17, 1918.

a SHEETS-SHEET 3.

NITED STATES PATENT OFFICE.

' 7 WILLIAM G. MA ER, or PITTSBURGH, P NNSYLVANIA.

TRUCK.

V Toall whom it may concern;

' Be it known that .I, lViLLIAM G. Maren, a citizen of the United States, and a resident of Pittsburgh, in the county of Allegheny and State of Pennsylvania, have invented a new and useful Improvement in Trucks; and I-do herebydeclare the follow ing to be .aifull, clear; and exact description thereof. i

' This invention relates, to vehicles, and more particularly to vehicles having dumping bodies, and has for its particular ob ect the arrangement ofa hand operated mechanisnrfor dumping thebody.

Another and important object. is the arrangement of the dumping mechanism so that both a pulling and lifting-operation occurssimultaneously, thereby facilitating the raising'of thebody, v 7

A still furtherobject isto provide an endgate that maybe hinged at the top or bottom, as desired, and to-provide automatic closing mechanism therefor when hinged at the top;

Various other objects, such as simplicity, durability, cheapness inmanufacture, and the general improvement of the-art, willbe brought out in the following specification and illustrated inthe accompanying draw.- ing, in which? l Figure 1 is a side elevation of a motor truck having the invention applied thereto and showing the body in dumping position; Fig. 2 is a front view of the body-"ofa truck showing the dumping mechanism;

Fig. 3 isa rear view showing the novel endgate construction;

Fig. 4.- is a detail side View of the rear portion of the body showing the endgate hinged at'the top for dumping, in full lines, and showingthe same in dotted lines in partly open position and hinged a t-the bottom; I V

Fig. 5 is a detail View of the hinge construction Fig. 6 is a diagrammatic "iew of the cable arrangement; and Fig. 7 is a detailview of V the operative boom.

: Specification of Letters Patent. Patented Sept, 17; Application filedMarchQfB, 1918. Seria1'No.224,068.

rear edge of each sideis bound by a permanently secured metallic strip 10 having a stripsli thereon,which have their ends bent upon' themselves forming cylindrical rod re ceiving portions 15." Rods 16 pass through and aresecured in the portions'l5 and are adapted to engage within the slots 11 in member ,rlOgfand to be held therein by pins 7 12. It will be understoodthat' rods 16 are adapted to be;locked in either the upper or lower slots 511 according to which way the end gate is to be openedismce by locking the rod 16 in the slots 11 a hinge connection is completed. 7 V .A chain 17 is passed through the eyes 18 on the endgate and eyes 19 onthelsides of the body B in the usual fashion to control the movement of the endgate. when it is hinged at the lower side."

The body portion B being pivotally mounted on the chassis at 6, as before de-; scribed, is adapted tobe raised into dumping position :by means "of a suitably arranged cable mechanism which causes a lift? ing action on the'forward portion of the body and a pulling action on the rear portion. a t

4 The raising mechanism'comprises a main shaft 20 journaled inv bracket bearings 21 and having a-large gear 22' secured on its one end; A stub-shaft 23 is journaled in one bearing and carries a power gear 24, and has its free end squared, at '25," for the reception of asuitable operating crank 25.

A dog or stop ratchet 24 is mounted on the bearing bracket 21 adjacentthe gear 22 and adapted to normally engage the same to prevent its reverse movement.

A boom 26 is pivotally mounted on the bracket bearings at 27 and extends upwardly and has a suitable pulley or sheave wheel 28 mounted at its upper end.

A channel track portion 29 is secured on the front of the body portion B and is composed of two angle irons secured together and having their lower. ends spaced apart, to form clearance for the double sheaves 31 journaled in bearing 32 on the forward end of the body.

The boom 26 is adapted to ride upon the track 29 due to its pivotal mounting and to be guided by the side flanges thereto.

A second set of double sheaves 33 are journaled in bearing 34 secured on the underside. of the rear end of the chassis in line with said first double sheaves, and a single sheave 35 is journaled in bearing 36 on the rear end of the underside of the body B.

A suitable drum 37 having its surface grooved as at 38 for the reception of a cable 39 is mounted on the main shaft 20 and has one end of said cable secured thereto.-

Cable 39 is trained upwardly from the drum- 37 over sheave 28 down and under one side of the double sheave 31, back under one side of sheave 33, up and around sheave 35, thence back under the other side of sheave 33, and under the other side of sheave 31, thence upwardly to the eye 40 secured in the boom 26, the end of the cable being secured to the eye 40. i

Lever- arms 41 and 41 are pivotally connected by one end to lugs 42 and 42 formed on strips 14 of the endgate and extend below the lower edge of such endgate. Cables 43 and 43 are secured to. the free ends of the lever arms 41 and 41" respectively and are brought together and secured as at 44 then lead as one single cable forward and are secured as at 45 to the cable 39 at a point on the return lap after such cable has passed around the'sheave 35. The above combination of levers 41 and 41 and cables 42 and 42 are so arranged that whenthe body B is raised for dum ing the tensionof the cables will be release allowing the endgate to open, and when the said body is lowered the cables will be tensioned thereby closing such gate. w

The operation of the device, in detail, is as follows 1 The complete vehicle being assembled, and it being desired to dump a load from the body B, the crank member 25 is placed in position on the squared end of the stubshaft 23; the crank is then turned driving the pinion 24 and large gear 22 on shaft 20. Drum 37 is secured on' shaft 20 and is consequently rotated when such shaft rotates.

' As drum 37 is rotated cable 39 will be wound upon the same thereby causing a lifting action on the sheaves 31 due to such cable be ing drawn over the pulley or sheave 28 on the boom 26. Simultaneously with the lift-j ing action on the sheaves 31 the cable 39 will pull on the sheave 35 which is secured at the rear end of the-body portion B. By the combined lifting and pulling action of the cables, the body B will be rocked on its pivot6 so as to raise the front portion and placing the body in inclined position.

, When used for dumping the endgate member 9 is hinged at its upper edge to allow it to automatically swing outwardly at the bottom to discharge the load from the body B when such body is raised in its inclined position. Cable members 43 and 43 are secured to lever arms 41 and 41 hingedly secured to the endgate member 9 and extend forwardly and are engaged with the main operating cable 39 at'a point on its return loop past the sheaves 33. When the body portion B is raised the return-loop of the cable 39 moves rearwardly, thereby allowing the cables 43 and 43 to move rear-wardly, permittingthe, endgate 9 to open to discharge the load from the body portion, and as the body I is lowered the return loop of the cable 39 will move forwardly and consequently cables 43 and 43 will move forwardly thereby automatically closing the endgate 9 when the body portion B is lowered.

It will be understood that when body portion B is to be used for dumping, the chain 17 will be either removed or hung very loosely .so as not to interfere with the action of the endgate.

When it is desired to use the vehicle for ordinary hauling, suchas expresswork, the

-endgate is hinged at the bottom by removing pins 12 and placing them in the lower end of strips 10 thereby holding the lower rod 16 in the sockets 11 and releasing the upper rod 16. henthe endgate is hinged at the bottom its movement is controlled by the chain 17 as in the ordinary endgate construction, and such gate may be lowered 1. A vehicle of the class described comprising a wheeled chassis, a body portion pivotally mounted on said chassis, a drum, a single cablesecured to said drum and said body portion, said cable being adapted to be wound upon said drum and combined to simultaneously exert a lifting action on the,

forward end and a downward pulling action on the rear end of said body to dump the same.

cured to said drum and trained about suit-.

able sheaves on said boom and said body and chassis, said cable being adapted to 2. A vehicle of the class described com- 7 exert a lifting action on the forward end and a downward pulling action on the rear end of said body.

3. A vehicle ofthe class described comprising a wheeled chassis, a body portion pivotally mounted on said chassis, a boom pivotally mounted on said chassis adapted to ride on a channel truck formed on the forward end of said body portion, and means for simultaneously lifting the forward end and pulling down the rearend of said body portion, said means comprising a drum and gearing mounted on said chassis adapted to be operated by hand, a sheave mounted on said boom, a double sheave mounted on the underside of the forward end of said body, a second double sheave mounted on said chassis, a single sheave mounted on the rear end of said body portion. and a cable member having one end secured to said drum and being" trained over said sheave on said boom, under said first named double sheave, under said second named double sheave, around said last named single sheave, returned under saiddouble sheaves and secured to said boom adjacent its upper end.

i. A vehicle of the class described com prising a Wheeled chassis, a body portion pivotally mounted on said chassis, an end gate hinged by its upper edge to said body portion, a boom pivotally mounted on said chassis, a drum and operating mechanism on said chassis, a cable secured to said drum and trained about suitable sheaves on sald boom and said body and chassis, said cable being adapted. to exerta lifting action on the forward end and a downward pulling action on the rear end of said body portion, and means connected to said cable for automatically closing and locking said endgate when said body is lowered.

The combination with a vehicle ofthe class described having a pivoted body portion, and a cable mechanism for dumping said body, of an endgate pivoted at its upper edge to said body portion, levers hingedly mounted on said endgate, and a flexible connection between said levers and said cable whereby said endgate will be free to open when said body i in dumping position and automatically closed and locked when said body is lowered.

6. The combination with a vehicle body having reinforcing strips secured to the rear end of the sides and each of said strips having slot-ted ends, of an end gate member having reinforcing strips thereon, said strips terminating in looped ends, rods car ried by said strips, said rods being adapted to be engaged in said slotted ends of said first named strips, and pins for locking said rods in either the upper or lower strips as desired.

In testimony whereof, I, the said VVIL- LIAM G. -MAYER, have hereunto set my hand.

WVILLIAM G. MAYER. lVitnesses J. M. GEOGHEGAN, JOHN E. JACKSON.

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