US1364642A

US1364642A - Brake-hanger mechanism

Info

Publication number: US1364642A
Application number: US196831A
Authority: US
Inventors: Posson Edward
Original assignee: Individual
Current assignee: Individual
Priority date: 1917-03-17
Filing date: 1917-10-16
Publication date: 1921-01-04
Anticipated expiration: 1938-01-04

Description

E. POSSON. BRAKE HANGER MECHANISM. APPLICATION 'm-in JCT-16.1917;

1,364,642. Patented Jan. 4,1921.

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BRAKE HANGER MECHANISM.

. I APPLICATION FILED OCT- 16, I917- 1,364,642. Patented Jan. 4, 1921.

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UNITED STATES EDWARD POSSON, or CHICAGO, ILLINOIS.

BRAKE-HANGER MECHANISM.

Specification of Letters Patent.

Patented Jan. 4, 192-1.

Original application filed. March 17, 1917, Serial No. 155,415. Divided and this application filed October To all to hem it may concern Be it known that I, EDWARD PossoN, a citizen of the United States, residing at Chicago, in the county of Cook and State of Illinois, have invented certain new and use- 'provide improved means for hanging and mounting the brake-shoes on the truck of a railway car, and in particular to provide a form of construction which may be used efliciently in connection with the clasp brake described in my prior application, above referred to. Another important object is to provide brake-hanger mechanism which will occupy the minimum amount of space and permit the convenient use of the invention in connection with modern passenger car trucks, for instance, in which the space for the brake-beams and brake-shoes between the ends of the truck is extremely limited. Still another feature is to provide means for pivotally supporting the brake-beams on the hangers in combination with means for maintaining the brake-shoes in the proper operative positions with respect to the brakebeams. Another object is to provide means for securely holding the brake-hangers and brakeshoes on the brake'beams while permitting the ready removal thereof when desired. A further feature is the provision of means for resiliently supporting the lower parts of the brake-shoes to prevent the swinging thereof away from the peripheries of the car wheels. Other objects relate to various features of construction and arrangement which will appear more clearly hereinafter.

The nature of the invention will be understood from the following specification taken in connection with the accompanying drawings, in which one embodiment of the invention is illustrated.

In the drawings Figure 1 shows an enlarged side elevation of a portion of a car truck illustrating the application of my invention thereto;

Fig. 2 shows a vertical section through a Serial No. 196,831.

brake-hanger illustrating the connection of the brake-shoe with the brake-beam;

. Fig. 3 shows a perspective view of abrakehanger bracket;

Fig. 4 shows a perspective view of the brake-head adjusting connector;

Fig. 5 shows a perspective view of the brake-head adjusting spring and bracket;

Fig. 6 shows a side elevation of a portion of a brake-beam;

F g. 7 shows an end elevation thereof;

Fig.8 shows a top plan view of a portion of the brake-beam;

Fig. 9 shows a perspective view of one of the brake-hangers, and

Fig. 10 shows a perspective view of a brake-beam key.

In the drawings, the invention is illustrated as applied to a car truck designated generally by the numeral 10 and having a wooden frame. This truck comprises the side frame members 11, upon which are mounted the lever-carrying brackets 12 lo cated above the axles 13 of the car wheels 14. These brackets serve to support the brake mechanism which comprises one or more suspending links 15 pivotally connected to the brackets 12 by means of bolts 16, and pivotally connected at their lower ends to the lever carrier 17 by means ofpins 18. The lever carrier 17 is pivotally connected at the point 19 to a truck lever 20, the upper end of which is pivotally connected to a brake-rod 21. The side frames of the truck have projecting downwardly therefrom the arms 22, which are connected by pins 23 with the spring plank hangers or brackets 24. These brackets carry shoes 24 upon which the spring-planks 25 are mounted. The springs 26 are mounted on the springplank 25 according to the modern method of car construction. The foregoing features are described more fully in my prior application, above referred to, and are illustrated here for the purpose of showing the application of the particular invention to which the present application is confined. It will be understoodthat my improved brake-hanger mechanism may be used in connection with various forms of car trucks or brake operating devices.

At each side of the car a hanger bracket 30 is secured to the transverse frame members 31 of the car truck by means of bolts 32, and in the instance shown in Fig. 1, the bracket is directed downwardly, the parallel ears 31 at the lower end thereof being apertured and pivotally connected to the brakehanger 33, illustrated particularly in Fig. 9. The lower end of the brake-hanger 33 is provided with a cylindrical bearing portion an adapted to be rotatably engaged by the cylindrical part 35 of the brake-beam 36. The central part of the brake-beam has a rectangular cross-section, as illustrated particularly in Figs. 6, 7, and 8, and each brake-beam carries at its opposite ends a cylindrical part 35, which terminates in a part 37 of reduced diameter having an annular groove 33 formed therein adjacent its extremity. The part 34 of the brake-hanger rotatably engages the part 35 of the brakebeam, and thus a free movement of the brake-beam toward or away from the car wheel is permitted, and this movement is effected through the brake-lever mechanism, previouslydescribed. Each truck lever 20 is connected to the adjacent brake-beam 36 by means of a truck lever connector 10 having an enlarged bearing member 10 at one end thereof mounted on the cylindrical por tion 35 of the brake-beam, and having apertures 40 at the other end, by means of which a pivotal connection is made with the truck lever 20. By providing a plurality of apertures 10, it is possible to change the connection on the truck levers in order to vary the position and the path of travel of the brake-shoe and brake-beam. The part 35 of the brake-beam is provided with a keyway 35, which permits a rigid connection with the member 40, and this keyway also serves to permit the formation of a fixed connection between the brake-beam and the bracket ll, which is mounted on the part 35 and which carries the brake-head adjusting spring 42. This spring is mounted between t e downwardly directed ears 41 of the bracket and is secured thereto by means of rivet-s 43. The brake-head 45, carrying the brake-shoe 46, is rotatably mounted on the reduced end portion 3'? of the brake-beam and abuts against the shoulder 37 formed by the end of the part 35. The brake-head is maintained on the brake-beam by means of a brake-beam key 47 having the form illustrated particularly in Fig. 10. This key has a U-shaped slot 47, the walls of which are adapted to fit into the annular groove 38, formed in the end of the brake-beam. The key is further provided with an upward extension lr having an aperture 4" therein, by means of which the key is secured to the fiange 45 of the brake-head by means of the pin 48. In this way, the brake-head is securedly fixed on the end of the brake-beam without the use of nuts or other similar fas- .te nng devices, and the brake-shoes are maintained in the proper positions on the brakeother end to the flange eff of the brake-head by means of a pin 50. This connecting device serves to maintain the lower end of the brake-shoe in contact with the car wheel when the brake-shoes are moved into operative positions, and at the same time the spring 42 permits the necessary adjustment of the brake-shoe to the periphery of the car wheel. It will be apparent that by means of this simple construction, the brake-hanger mechanism is mounted on the truck while occupying only a limited space, and at the same time the necessary free movement of the brake-beam is permitted.

Although I have shown and described a particular embodiment of the invention for purposes of illustration, ,it may be understood that it may be constructed in various other forms without departing from the spirit of the invention as defined in the appended claims.

What I claim is:

1. In a railway car, a car truck, a brake beam suspended from said truck, a brake shoe pivotally mounted on said brake beam, a fiat spring fixed on said brake beam and extending radially therefrom, and means for connecting said spring to said brake shoe.

2. In a railway car, a car truck, a brake beam carried by said truck, a brake shoe pivotally mounted on said brake beam, a resilient member non-rotatively mounted on said brake beam at one side of said brake shoe and extending radially from said brake beam, and means connecting said member to said brake shoe.

3. In a railway ear, a car truck, a brake beam carried by said truck, a brake shoe pivotally mounted on the end of said brake beam, the end of said brake beam being provided with an annular groove, a locking plate secured to said shoe and engaging said annular groove, and means for maintaining said brake shoe in proper position with respect to a wheel of said truck.

4. In a railway car, a car truck, a brakehanger suspended from said truck, a brakebeam having a cylindrical portion rotatably engaging said brakehanger, brake operating mechanism comprising a member non-rotatably mounted on said cylindrical portion, a brake-shoe pivotally mounted on said cylindrical portion, and means non-rotatably engaging said cylindrical portion and connected to said brake-shoe for maintaining the latter in proper position with respect to a wheel of said truck.

5. In a railway car, a car truck, a brakebeam suspended from the frame of said truck, means for moving sa1d brake-beam toward and away from a wheel of said truck, a brake-shoe pivotally mounted on said brake-beam, a bracket member fixed on said brake-beam adjacent said shoe, a spring member secured to said bracket member and extending downwardly therefrom, and means pivotally connecting the lower ends of said spring member with the lower part of said brake-shoe.

6. In a railway car, a car truck, a brakebeam suspended from said truck brake operating mechanism comprising a member non-rotatably mounted on said brake-beam adjacent said brake-hanger, a brake-shoe mounted adjacent the end of said brakebeam, said brake-beam having an annular groove in the end thereof, and a key engaging said groove.

In testimony whereof, I have subscribed my name.

EDWARD POSSON.