US531448A - Cam bering-machine - Google Patents

Description

Patented Dec. 25,1894.

I f A /Nl/ENTOI? v fw? @M7 W@ H. C. RYDING.

GAMBBRING AMAGHINEI..

' I(Hummel.)

- No. 531,448. f

WTNESSE. Y

UNITED STATES' PATENT OFFICE."

HERBERT O. RYDING, OF JOHNSTOWN, .PENNSYLVANIA .CAMBERlNG-MACHINE.

SPECIFICATION forming part of Letters Patent No. 531,448, dated December 25, 1894.

Application iiled July 21, 1894.' Serial No. 518334. (No model.)

.To all whom t may concern,.-

Be it known that LHERBERT C. RYING, of Johnstown, count-y of Cambria, State of Pennsylvania, have invented a new and useful Improvement in Cambering-Machines, of which the following specification is a true and exact -machine.

There' are 'several types of cambering 1nachinos. The type to which mine belongs consists essentially of a pair of horizontal driven rolls between which the rail passes, and two vertical rolls one on each side of the horizontal rolls and so set out of line with the pass in the horizontal rolls as to force the rail in a curved direction. My invention consists in substituting for one of these vertical rolls a pair of horizontal rolls as I will describe.

In the drawings Figure l represents a top view of a cambering machine'constructed in accordance with my invention, and Fig. 2 represents a vertical section of Fig. l on line X X.

I-I, I-l are the housings and R R a pair of rolls mounted therein. These rolls are of such configuration that they will grasp,witho ut distorting, the rail or bar B to be cambered, and.A they are connected with any suitable` power by the usual couplings. Mounted on the same housing and immediately in front of the rolls R, R is the pair of rolls fr, r. These rolls run loose, that is, they are operated by the friction of the rail as it is drawn between them by the rolls R, R. They are Aalso shaped so as to grasp the rail but they need not be eX- actlythe same configuration as R and R. Their function is to support the rail horizontally, and to that end they are so formed that they engage thetlange F ot' rail B. It might be necessary in some cases to form them similar to the other rolls R, R the shaping of these of rail or bar tobe carnbered. On the opposite side of the main rolls is the vertical roll V. The pivotP of this roll is eccentrically 'A carrying on their ends the little roller or wheel W. v

Normally the armsA stand directly across the path of a rail issuing from rolls R,R and in this position the rollV is out of the path of the rail as it issues straight from rollsV R, R. The end of the rail meeting the arms A or roll W push them around out of its path and this, revolving the trunnions T, brings the roll V into action against the rail and forces it out of a straight line. roll V a fixed one may be used.

I do not herein claim the above described manner of mounting the roll V as I have already claimed it in Patent No. 52Q,865 heretofore granted to me.

Instead of this adjustable n It will now be seen that the function of rolls fr, r is to deliver the rail in a straight line to the rolls R, R and prevent the roll V from forcing the rail in a diagonal position therein instead of. bending it. The screws S bearing against the rolls 1', r aord means for accurately adjusting the rolls so as to deliver the rail as desired. It is immaterial which pair of rolls be the driven ones, as the power could -be as well applied to the first as the second set.

bend the effect of this very limited contact is to crush and badly distort them.`

As my rolls r fr are located, their axes are 'parallel to the thrust from the rail which thrust is consequently received against the shoulder ofthe rolls which engages the flanges F. In this manner I afford a much greater area of contact against the rail and obviate the distortion otherwise occurring.

The closer the rolls z fr are to the rolls R R IOQ the greater this thrust becomes owing to the greater leverage and the more apparent be comes the advantages of the pair of horizon tal rolls over the single vertical one.

Having thus fully described my invention, what I claim, and desire to protect by Letters Patent, is

l. A cambering machine consisting of two parallel pairs of rolls between which the rail zo passes, saidprolls having passes adapted to receive the rail and support it in a direction parallel to the axis of the rolls and a cambering roll set at right angles to the first mentioned rolls and adapted to engage the rail x 5 after it has passed between the first mentioned rolls and force it into a curved position.

2. A cambering machine consisting of two pair of rolls, having their axes parallel and each pair having flanges or shoulders adapted 2o to support the rail lengthwise of the rolls as shoulders as described adapted to support the rail in the plane of bending.

4t. A cambering machine consisting of a pair of driven rolls havinga pass adapted to grasp and draw through the rail to be cambered, a pair of idle rolls between which the rail passes and parallel to the first mentioned rolls, both said pairs of rolls having shoulders or flanges substantially perpendicular to the axis of the rolls which shoulders or flanges are adapted to aord support'to the rail While being cambered, and a cambering roll having its axis perpendicular to the other rolls and adapted to act against the rail.

5. In a cambering machine in combination with a pair of driven rolls having a pass between them adapted to receive the bar to be cainbered, and a eambering roll set at right angles thereto, a pair of rolls having their axis substantially parallel to the axis of the first mentioned pair ot rolls and so formed that as the rail passes between them they are adapted to support it in the direction ot' their length against the action of the cambering roll.

In testimony whereof l have affixed my si gnature in presence of two witnesses.

HERBERT C. RYDING.

Writnesses:

WM. F. SALTMARSH, J. L. CHAPMAN.

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