US1486489A - Truck for handling rolls of paper - Google Patents

Description

March 11 1924.

T. JOHANCEN ET AL TRUCK FOR HANDLING ROLLS OF PAPER Filed Dec. 27, 1922 2 Sheets-Sheet l l I. W 25...... l; i .3. II I w t LHWWYIIII ll llllll 15 If, f U.

Patented Mar. 11, 1924.

UNITED STATES PATENT OFFICE.

TRUCK FOR HANDLING ROLLS OF PAPER.

Application filed December 27, 1922. Serial No. 609,278.

To all whom it may concern Be it known that we, THOMAS JOHANCEN and EDWARD KEHOE, citizens of the United States, residing at Baltimore, in the State of Maryland, have invented certain new and useful Improvements in Trucksfor Handling Rolls of Paper, of which the following is-a specification. v

This invention relates to improvements in tilting hand trucks and is directed particularly to a truck for handling rolls of print paper and moving them fromone place to another such as to a place of storage or from the latter to a press.

Rolls of rint paper are quite heavy and heretofore uring their handling and movement from one place to another have been subject to damage when unloading and standing them upright on their ends. This damage occurs when the rolls are tilted from a horizontal to a vertical position because their great weight has made it practically impossible, with the trucks employed, to lower t e end onto a floor slowly and without more or less of a drop. The weight being directed entirely on the rim edge of the roll causes the latter to burst from its outer side inwardly which frequently results in the damage of many pounds of paper in each roll.

By means of our invention we are able to load the rolls onto the truck with facility and ease and afterward tilt the truck so the roll will be turned from a horizontal to a vertical position gradually and with no shock or jolt that W111 cause damage so that a great saving of paper results.

I The invention is illustrated in the accompanying drawing wherein,-

Fig. 1. shows the improved truck in top or lan view,

ig. 2. illustrates the same in sectional side elevation. I

Fig. 3. shows a vertical sectional view through the truckasthe same would appear if cut,-on the line 33 of Fig. 2.

Fig 4, illustrates certain parts of the truck in plan view as they would appear if-vieWed on the line 4- 1 of Fig. 2, and

Fi 5. shows an enlarged vertical sectiona detail through the fluid-actuated control device to hold the tilting frame or table under control during the up-ending operation.

Referring to the drawings the numeral 10 designates a truck-frame, of structural metal with two spaced-apart horizontal upper bars 10 suitably braced to carry the load that is to be placed upon them, and said frame having two front wheels 11 and a central'rear caster wheel 12. This form of truck-frame is readily pushed about and turned because of the ,rear caster wheel.

The truck-frame carries two brake-levers 13 eachof which is pivoted at 14 and the outer end of each lever carries a brake-shoe 15, while the inner ends thereof are lapped and are pivotally connected by a single pivot-pin 16, to the forward end of a linkbar 17, as clearly shown in Fig. 1 of the drawings.

The rear end of the link bar'l'f, is pivotally connected to a brake-bar 18 which latter is pivotallyattached at 19 to a bracket 20 on the frame so that its outer operating end 21 may project at the side of the truck.

This outer end 19 of the brake-bar passes through a side plate'22 onv the frame which plate'has a slot 23 with adepression 24in the forward end thereof so that when said lever-end 21 is pushed forward it will snap into said depression 24 and be held therein.-

VVhen said lever-end is pushed forward into the depression the brake-shoes will be applied to the wheels.

The truck-frame 10 sustains a tilting frame or table 25 which, in this instance, comprises two side bars 26 of angle-iron shape which are rigidly connected by a series of cross-bars 27 v r The forward end of the table carries an inclined plate 28 to seat on the floor when the table is tilted.

The table is pivotally connected to the truck-frame by means of a. cross-bar 29 and by reference to Figs. 1 and-2 of the drawing it will be noted that this cross-bar pivot 29 of the truck-frame is located in a vertical plane to the rear of the vertical plane that passes through the axis of the front wheels- 11. By'thu's locating the pivot 29' we prevent the truck from tilting up at the rear when the forward end of the table is be ing lowered to the position shown in broken lines in Fig. 2.

, It will also 'benoted by reference to Figs. 1 and 2 of the drawing, that the table 25, when in the horizontal position seats on 'top of the horizontal upper bars 10 of the movement will be arrested because the cylinder ceases to move and thQ PlStOII-lIBRCl 42 begins its travel downwardly in the cylinder.

As this further downward travel takes place the oil in the cylinder beneath the piston-head 42, is driven. out through the passage 50 and ipe 49 and through the valve 51 only as ast as said valve will permit the fluid to flow, which valve therefore acts as acheck and will permit the pistonhead to move down only so fast as the oil can ass through the valve.

A ter the oil passes the valve 51 it is conveyed to the upper part of the cylinder on top of the piston-head so that there is a circulation of oil from the under side of the piston head to the upper side of the head and the piston can only move down as fast as that oil can be thus circulated.

This continues until the forward end of the table contacts with the floor whereupon the roll can readily be turned upright from the inclined position in which the tilted table has placed it.

After the roll has been stood upon its end the truck is withdrawn and the next operation is to return the table to the normal horizontal position. As no work is being accomplished during this return movement of the table, it is desirable that such movement be made rapidly and without requiring the oil on top of the piston to return slowly through the pipe 49 and valve 51 through which it was previously forced. To permit this rapid return we use the flexible disk or washer 46.

When the oil or fluid is on top of the piston and it is desired to return the latter the rear end of the table 25 will be pulled down which movement will draw the front end of the table up thus drawing the stem 40 from the cylinder. This movement is rapid because the oil that is on top of the piston will pass down through the openings 4445 and spring the flexible disk or washer 46 downwardly as indicated by broken lines in Fig. 5, thereby allowing the oil to pass through the openings from the upper to the lower side of the piston-head without requiring it to return through the restricted valve-opening in pipe 49. This makes the return movement of the table rapid.

Particular attention is invited to the fact that the cylinder and its piston are so connected between the truck-frame and the tilting table that the preliminary or first part of the table-movement from a horizontal to an inclined position causes the cylinder to also move without efl'ecting a movement of the piston 42 in said cylinder. This enables the preliminary movement to be more rapidly and readily made by the operator because he is not required to move the piston in the cylinder against the oil. When the cylinder however is brought to a stop as it is when it seats on. the floor, further movement of the tablefcan only be made by moving the piston in the cylinder and displacing the oil therein which then acts as a. brake in the final movement of the table.

By means of this invention heavy rolls of paper weighing hundreds of pounds may be readily up-ended without damage to or bursting of the rolls because the latter are lowered gently and under complete control at all times until they are seated on the floor. I 7

Having described our invention, we claim Y 1. The combination with a truck-frame having wheels thereon, of a tilting table pivotally attached to the truck-frame so as to'swing from a horizontal to an inclined position, a cylinder to contain a fluid and having a piston therein said cylinder and piston being interposed between the truckframe andv the tilting table and movable together with the table while the latter makes a preliminary movement and upon a .further movement of the table the piston and cylinder being relatively moved to displace the fluid in the cylinder to check the movement of the table.

2. The combination with a truck-frame mounted on wheels, of a tablepivotally attached to the truck-frame so as to swing from a horizontal to an inclined position, a cylinder to contain a fluid, a piston in said cylinder said cylinder and piston being interposed between the truck-frame and the tilting table and one of them having a connection with the truck while the other has a connection with the table and one of the said two connections being movable to allow the cylinder and piston to have a partial movement with the table without changing the position of the piston in the cylinder as the table makes a part of its movement and said connections then operating to cause the fluid in the cylinder to be displaced by a relative movement between the cylinder and its piston as the table makes its further movement.

3. The combination with a truck-frame mounted on wheels, of a table pivotally attached to the truck-frame so as to swing from a horizontal to an inclined position, a cylinder to contain a fluid, a piston in said cylinder, a connection between the piston and the table, a connection between the cylinder and truck said latter connection having a movement independent of the truck that will permit the cylinder and its piston to move together and without changing the relative relation of the one with respect to the other as the table makes a part of its movement and upon a further movement of the table to cause the piston to displace the fluid in the cylinder and be checked thereby.

4. The combination with a truck-frame mounted on wheels and having upper horizontal bars, of a table having spaced-apart side-bars which may seat upon the horizontal bars of the truck, means for pivotally connecting the bars of the truck with the bars of the table whereby the table may be swung from a horizontal'to an inclined position with its forward end down, a cylinder having a piston said cylinder and piston being located between the truck and the table, a rod attached to the piston and also connected to the table between the forward end of the latter and the pivot between the table and truck and a connection between the cylinder and truck which connection permits the cylinder and piston to have a partial movement with the table without changing the relative positions of the piston and cylinder.

5. The combination with a truck-frame mounted on wheels and having upper horizontal bars, of a table having spaced-apart side-bars which may seat upon the horizontal bars of the truck, means for pivotally connecting the bars of the truck with the bars of the table whereby the table may be swung from a horizontal to an inclined position with its forward end down, a cylinder having a piston said cylinder and piston being located between the truck and the table, a rod attached to the piston and also connected to the table between the forward end of the latter and the pivot between the table and truck, a device pivotally connected to a portion of the truck and also pivotally attached to the cylinder whereby to permit the cylinder and its piston to be moved together downwardly by the forward end of the table as the latter makes a partial downward movement said device being arranged so as to stop the downward movement of said cylinder and allow the piston therein to be moved downwardly as the forward end of said table continues its downward movement.

In testimony whereof we afiix our signatures.

THOMAS JOHANCEN. EDWARD KEHOE.

-March 11 1924. 1,486,547

' H. W. SANFORD RAILWAY CAR Filed A112:. 31. 1923 4 Sheets-Sheec l E5 g vue'ntoz D 70 11, AM

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