US1139619A - Safety attachment for railway-coaches. - Google Patents

Description

0. A. WOLFE.

SAFETY ATTACHMENT FOR RAILWAY COACHES. APPLICATTION FILED SEPT. 28, 1914.

1 1 39,6 1 9, Patented May 18, 1915.

2 SHEETS-SHEET I.

THE NORRIS PETERS (20., F'HOTO-LITHO.. WASHINGTON, D

0. A. WOLFE.

SAFETY ATTACHMENT FOR RAILWAY COACHES.

APPLI CATION FILED SEPT-28, T914- 1 Patented May 18, 1915.

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T Jwuaniox dkfomwnze THE NORRIS PETERS 60., PHOTO-LITHO.. WASHINGTON D C.

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OTA ALONZO WOLFE, OF VAN WERT, OHIO, ASSIGNOR 0F ONE-FOURTH TO FRANK J. LORDIER, OF GREENVILLE, OHIO.

SAFETY ATTACHMENT FOR RAILWAY-COACHES.

Specification of Letters Patent.

Patented May 18, 1915.

Application filed September 28, 1914 Serial No. 863,910.

To all whom it may concern Be it known that I, OTA A. WOLFE, a citi zen of the United States, residing at Van l/Vert, in the county of Van fort and State of Ohio, have invented certain new and use ful Improvements in Safety Attachments for Railway-Coaches; and I do declare the followingto be a full, clear, and exact description of the invention, such as will ento allow the same to be readily accessible should repairs be necessary.

l Vith the above and minor objects in view, the invention resides in certain novel features of construction and combination here in described and claimed and shown in the drawings wherein:

Figure 1 is a top plan view of a truck and a plurality of the sills mounted thereon, showing the application of the invention; Figs. 2 and 3 are vertical transverse sections as seen on the line 23 of Fig. 1, showing the device respectively in inactive and active positions; Figs. 1 and 5 are longitudinal sections showing the parts respectively in their inactive and active positions; Fig. 6 is a detail transverse section taken along the plane of the line 6-6 of Fig. 1; and Fig. 7 is a detail horizontal section through a casing to be described, showing more particularly the mounting of a latch bolt therein.

In the accompanying illustration, the numerals l designate a plurality of longitudinal sills upon which the body of a car is to be mounted, the numeral 2 designates a transverse bolster which is pivoted by an upright king-bolt 3 to the transverse bar 4 of a truck, and the numerals 5 designate the end frames of the truck which are secured to bearings 6 in which the axles 7 of the flanged wheels 8 are revolubly mounted. As

is common with devices of this character, the. wheels 8 run upon a track formed of a pair of parallelrails 9.

' The construction, so far described, is common to most forms of railway rolling stock and forms no part of the present invention. As hereinbefore suggested, however, it becomes expedient to provide means for applying the brakes of the coach, in case of derailment caused by spreading rails, by a broken axle, or by any other means. For this purpose, I have provided the means now to be described.

Secured by screws 10 or other appropriate fasteners, to the opposite ends of the bar 4, is a pair of bearing blocks 11 which may be constructed as shown in the drawings or in any other appropriate manner. It is essential, however, that said blocks be provided with transverse guideways 12 in their lower ends and with upright guideways 13 rising therefrom and provided with reduced extensions 1%. Each guideway 12 receives therein a transverse shoe or foot 15 from which upright rods 16 rise, said rods projecting through the reduced extensions 14 above the bearing blocks and having stop pins 17 whereby they are limited in their downward movement. Located within the guideways 13 and bearing, at their opposite ends, against the inner ends thereof and against the shoes 15, are coil springs 18 which exert their tension to normally force said shoes downward until the pins 17 prevent further movement. WVhen in this position, the shoes 15 are located directly above the rails 9.

Pivoted at 19 to the opposite end portions of the bar 4, is a pair of levers 20 whose outer ends overlie and contact with the upper ends of the'rods 16, while their inner ends are connected by a double link 21 with the horizontal arm 22 of an angular lever which is provided with an upright arm 23 and which is pivoted at 2% within the bifurcated end of a plate 25 which is secured upon the bolster 2, the opposite end of said plate being bent upwardly providing a post whose upper end is formed into a hook26. The upright arm 23 is connected by a link 27 to a lever 28 which projects horizontally from a valve 29 in the branch 30 of a train pipe 30 which, as is common with devices of this character, is designed to contain a brake applying medium, (usually comin inactive position, in which position, the

angular lever stands as seen in Fig. 4, while 7 the two levers 20 and the shoes 15 assume the shoes 15 will contact with the rails 9, where-' by, as the vehicle descends farther, the

levers 20 will be rocked, thereby pulling downward upon the link 21 and rocking the angular lever'from the position seen in Fig. 4 to. that seen in Fig. 5, thereby actuating the lever 28, against the tension of its spring 31 to open the valve 29, thereby allowing the medium in the pipe 30, to apply the brakes.

In connection with the construction so far described, it becomes expedient to provide means whereby the parts may be locked when thrown to active position. For this purpose, the construction now to be described is employed.

Secured by means of a foot 35 to the bolster 2 at apoint adjacent the plate 25, is a casing 36 one of whose ends faces one side of the upright arm 23 and is left entirely open as seen in Fig. 7, while the other end of said casing is. provided with an end wall having a central opening 37 through which a latch bolt 38 projects, said bolt being shouldered by the provision of an enlarged head 38 having a beveled nose 39 and being held in normally projected position by a coil spring 40 which encircles the reduced portion of the bolt and is interposed between the closed end of the casing-36 and the head 38, a stop pin 41 being provided for the purpose. of preventing excessive downward movement of said head. When the parts stand in inactive position, as seen in Fig. 1, the nose 39 is positioned slightly in advance of the upright arm 23 and contacts with said arm, whereby when the arm is moved for-.

wardly by the means before described, the head will be moved inwardly against the tension of the spring 40, which spring then acts to project said head when the parts have moved to the position seen in Fig. 5,thereby retaining the angular operating lever in active position and locking the lever 29 in a I position in which thevalve is open.

In order that the latch bolt may be readily released, the same is here shown as provided with an operating rod 42 which projects laterally from the inactive end thereof and slides through appropriate openings in the.

adjacent sills 1, said rod being provided with a suitable operating handle 43 spaced outwardly from one of the side sills, in a position to be readily grasped by an oper ator. 7

Fromthe foregoing description, taken in connection with the accompanying drawings, it willbe seen that comparatively simple mechanism has been provided for carrying out the objects of the invention, yet that this construction possesses numerous advantageous features. One of the most prominent of these features is the fact that the latch mechanism isloc'a'ted at "a point at' which it is readily'ac'cessible should repairs be necessary. i

v The numerous parts of thedevice may be constructed ofproper materials and in essential proportions. ever, that the springs 18 be of such strength as toprevent the shoes 15 from being operated by any'power other than the weight of a coach. By this provision, it will be seen that the brake applying mechanism cannot be tripped unless the coach is derailed.

I claim 1. The combination with a vehicle having wheels designed to run upon a track, of a pipe beneath the vehicle and adapted to con tain a brake applying medium, a valve in said pipe and having a laterally projecting operating arm, a plate secured to the vehicle adjacent the free end of said arm and having one of its ends bifurcated, its other end being bent laterally and formed into a book, a coiled spring secured at its opposite ends to said hook and to said arm, an operating lever fulcrumed within the bifurcated end of the plate, a link connecting said lever with the arm on the valve, and mechanism pipe beneath the vehicle and containing abrake applying medium, a valve in said pipe having a laterally projecting operating arm, a plate secured to the vehicle adjacent the free end ofsaid arm, a post rising from one end of said plate, an operating lever fulcrumed to the other end thereof, a coiled spring connecting the post and the operat ing lever, an operating member connecting said lever with the arm on the valve, and mechanism also connected with the lever for rocking the same in a direction to operate the valve.

In testimony whereof I have hereunto set my hand in presence of two subscribing witnesses.

' OTA ALONZO WOLFE. Witnesses: I

I- R. Prnnon, C. E. HUNT.

It is advisable, how-' Copies of this patent may be obtained for five cents each, by addressing the Commissioner of Patents. Washington, D. G.

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