US1108110A - Car-truck. - Google Patents

Description

W. S. ADAMS;

CAR TRUCK.

APPLICATION FILED SEP'I.23, 1913.

Patented Aug. 18, 1914.

UNITED A clarion WALTER s. or rn-rLanrLrn-m, rmmsynvnnm, nssmnon TO THE J. G, BRILL 00., or PHILADELPHIA, rmsnvamn, a conronn'nonor PENN- SYLVANIAI Bc BUQK.

s ecimen of Letters latent. Patented- Aug. 18, 1914.

Application filed September 23, 1913. Serial No, 791,293.

second street and Woodland avenue, 1n said city, have invented certain new and useful Improvements in Car-Trucks, of which the following is a specification.

My invention relates to improvements in swing bolster cartrucks, and particularly to that class wherein semi-elliptical or leaf springs or. other equivalent form of bolster-- supports are carried from the side frames of the truck byswinging links or hangers.

My present invention consists in certain details of construction and combination of parts hereinafter described, andfinally pointed' out in the claims.

In the drawing, forming part of thisspecification, Figure 1 is a side elevation showing a portion of the side frame of a car truc and the improved bolster connection supported therefrom; Fig. 2-is a side elevation and' a section of a portion of the side bar the section being taken on the line 2-2 of Fig. 1, looking in the direction of the arrows; and Fig. 3 is a sectional elevation on the line 33 of Fig. 1, looking .in the direction of the arrows.

Similar reference characters designate like parts throughout the several views.

For the purpose of describing my invention, I have not deemed it necessary to illustrate an entire truck construction, as those skilled in the art are familiar therewith. However, for the purpose of further illustration, reference is made to the truck shown in the patent dated October 14, 1913, No; 1,076,009.

In'the' drawin 1 is an intermediate portion of the side ame or upper chord of the car truck frame. This is usually provided with pedestals of conventional or desired construction.

It will be understoodthat all of the parts hereinafter described, except the bolster, are duplicated at eachside of the truck, the pedestals engaging; axle boxes which hold axles and wheels in the usual manner. The side frame or upper chord is connected transversely of the usual transoms 2 shown in dotted lines in Fig. 1.

"my said application.

' 3 are, hangerscomprising the splayed; ide bea t. ,.p ral e b 6, bent ends 9 and curved cross piece 10, which hangers embrace the side bars andrest at their-upper ends 1,0,on bearings- 11 the lower ends carrying blocks 12 forming spring-seats, A form. of hanger of the class described is shown in At 13 is the leaf spring, which, in the present case, is flat, although it -may be arched upwardly. As above stated, it will be understood that there aregtwo of such springs, one on each side of the truck, and disposed longitudinally belowthe plane of the side bars. I

At 14 is the bolster, shown'in the present case as a casting. having an enlarged intermediate section '15 adapted to pass between the transoms and outer ends or extensions 16 passing underneath and clearing the side bars of the truck frame.

The leaf springs are provided with the usual strap or band 17 at their center, and upon this band is seated the bolster ends 16, recesses being provided for this purpose.

At 18 is a recessed plate receiving. the

band 17, and bolts-19 secure the bolster, plate and spring together, thereby tying the springs 13 and hangers 3 together.

At 20 are spring-caps provided with flanges 21 engaging the faces of the side bars 6, 7 of the hangers 3 and lips 22 which.

engage the sides of said side bars, and which form, with the web 23 of the cap a springseat for the ends 24 of the leafspring 13, which bear on the caps 20. The caps 20 rest on spiral springs 24 each seated in the seats 12. The spiral springs are thus held entirely within the strap hangers 3,. the leaf springs supported directly thereon, and relatire movement of the sprmes guided and restrained by the side bars of the hangers,

whereby an articulated type of hanger may be dispensed with.

Within the scope of the appended claims,

. my invention may be variously embodied without departing from its spirit.

Having described my invention, I claim:

1. In a car truck, the combination with the side bars, the hangers movably supported on the side bars and comprising paired bars,- a spring seat on the bottom of each of said bars, a spring seated on said spring seat,.a spring cap on said spring and guided by said bars, longitudinally disposed leaf springs supported on said spring caps, and a cross bolster supported on said leaf springs.

lhe; pmb na i n vw t a c k, f the hangers comprising paired bars movably supported from the side bars of said truck, spring seats at the bottom of said hangers, upwardly extending spiral springs on said seats between the sad bars, spring caps on said spiral springs guided by said arms, longitudinally disposed springs extending between said bars and resting on said spring caps, and a cross bolster connecting the leaf springs.

'3. In a car truck, the combination with the truck side bars of the hangers comprising 7 paired bars, the upper portions of which are splayed outwardly, the lower portions of -which are parallel, spring seats at' the bottom of said hangers, springs on saidspring 20 seats, spring .caps onsaid springsguided by said parallel bars, longitudinally disposed leaf springs extending into the hangers and having their ends resting upon said spring caps, and a cross bolster secured to said leaf 25 springs.

Signed at the city and county of Philadelphia, State of Pennsylvania, this'15th day of August, 1913.

WALTERS. anaus.

Witnesses:

HENRY (1 Esme H. F. llloKrmmie

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