US484687A - Wagon-brake - Google Patents

Description

2Sheets-Sheet 1.

(No Model.)

V. T. SWEENEY. WAGON BRAKE.

No. 484,687. Patented Oct. 18, 1892 WITNESSES. INVENTOH 3. (12% fi g ATTORNEYS.

n PETERS co., mo1mnuc.,i-7isumaron, u. c.

(No Model.) 2 Sheets-Sheet 2.

V. T'. SWEENEY.

WAGON BRAKE.

N0. 484,687. Patented 0013. 18,1892.

INVENTOI? 8 W/TNESSES. j. 01%

v ATTORNEYS.

UNITED STATES PATENT UFEICE.

VARDIMAN TAYLOR SWEENEY, OF SPRINGFIELD, KENTUCKY.

WAGON-BRAKE.

SPECIFICATION forming part of Letters Patent No. 484,687, dated October 18, 1892.

Application filed April 21, 1892.

To all whom idmay concern.-

Be it known that I, VARDIMAN TAYLOR SWEENEY, of Springfield, in the county of Washington and State of Kentucky, have invented a new and useful Improvement in Wagon-Brakes, of which the following is a full, clear, and exact description.

My invention relates to an improvement in wagon-brakes, and has for its object to provide a brake of exceedingly simple and durable construction and capable of ready application to any form of running-gear; and the object of the brake mechanism is to apply a brake directly and positively to both the front and the rear wheels of the vehicle or to the rear wheels only by simply backing the team.

Another object of the invention is to provide a means whereby the team may be backed, when necessity may demand, without applying the brakes, and whereby this result may be accomplished by the driver of the team in an expeditious and convenient manner.

The invention consists in the novel construction andcombination of the several parts, as will be hereinafter fully set forth, and pointed out in the claims.

Reference is to be had to the accompanying drawings, forming a part of this specification, in which similar figures and letters of reference indicate corresponding parts in all the views.

Figure l is a plan view of the running-gear of a vehicle, illustrating the application thereto of the brake mechanism. Fig. 2 is a perspective View of that portion of the tongue -which is connected with the running-gear.

Fig. 3 is a vertical longitudinal section taken through the axle, showing the hounds, reach, and tongue in side elevation. Fig. A is a detail view of one form of take-up mechanism used in connection with the brake mechanism. Fig. 5 is asection taken, practically, on theline 5 5 of Fig. 3. Fig. dis a section taken, essentially, on the line 6 6 of Fig. 3 through the tongue; and Fig. 7 is a section taken, practically, on the line 7 7 of Fig. 3, the said section being taken through one of the rear hounds.

The axle 10, the reach 11, and the forward and rear hounds 12 and 13 may be of any approved construction. The rear brake-bar A, carrying the brake-shoes 14, is suspended be- Serial No. 430,140. (No model.)

low the rear hounds and in front of the rear wheels, preferably through the medium of links 15, connected with a cross-bar 16, attached to the rear hounds and extending beyond the sides thereof. The supporting-bar 16 of the rear brake-bar A is so located with respect to the rear Wheels that when the brake is permitted to swing to its normal position the brake-shoes will be carried out of engagement with the rear Wheels, as shown in Figs. 1 and 3. Ayoke 17 is secured, preferably, upon each end of a crossbar 18,the said bar being attached to the under face of the rear hounds, asshown in Fig. 1, and upon thebar within each yoke a friction-roller 19 is held to turn; but if in practice it is found desirable the rollers and their yokes may be secured directly to the sides of the hounds. A rope or chain is passed over each of the rollers 19, the rope or chain at one side of the running-gear being designated as 20 and the other at the opposite side as 21. These ropes or chains after having been passed downward over the friction-rollers 19 are secured in any suitable or approved manner to the brake-beam A. Both of the ropes or chains 20 and 21 are carried forward in two sections, (designated as a and a',) and the forward sections of the ropes or chains 20 and 21 are passed through eyes 22, secured, respectively, one at each side of the reach, at the forward end thereof, as is shown in Fig. 5, and after passing through these eyes both forward sections of both of the ropes 20 and 21 are secured to the base portion of a triangularly-shaped link 23, the ropes or chains being so disposed that one will be attached to the link near each end of the latter. A single rope or chain 24. is rigidly attached to the apex or angular portion of the link 23, and this rope is passed upward over a friction-roller 25, journaled upon a rod 26, extending from one forward hound to the other, and after passing over the friction-pulley the end of the rope 24 is attached firmly to the inner end of the tongue B by means of an eyebolt 27 or equivalent fastening device.

The sections a and a of the ropes or chains 20 and 21 are connected by tension devices 0. These tension devices may be of any approved or well-known construction-as, for instance, a turnbuckle; or, as shown in Figs. 1 and 4, the tension device may consist of a plate 28,

attached to one section of the rope and provided with a series of apertures, and a bar 29, secured to the opposing section of the rope, which bar is provided with a stud at one end, adapted to enter any of the recesses in the plate 28; or, as is shown also in Fig. 1, in connection with the rope 20, the sections may be connected by means of a chain 31, which chain is attached to the section a, for instance, at one end and is passed through a ring 32, secured to the section a, the other end of the chain being provided with a hook 33, adapted to enter any one of the links between the two sections of the rope. The object of the tension devices is to take up any slack that may exist in the ropes or chains 20 or 21 owing to the expansion or contraction of the ropes or to long usage.

The tongue B is provided with a longitudinal slot 34 near its inner end, and the attachment between the tongue and the forward hounds is eifected by passing a bolt 35 through the hounds, as shown in Fig. 6, and likewise through the slot in the tongue. That portion of the tongue which extends in direction of the forward end of the reach is flattened and is provided with apertures to receive eyebolts or like devicestwo in numberone of which has been heretofore referred to and designated by the reference-numeral 27, and I will designate the eyebolt to be passed through the second aperture by the reference-numeral 36, the apertures being respectively designated as 37 and 38. It will thus be observed that by reason of this construction the tongue may be given a lateral or sliding movement between the forward hounds, and this movement is ordinarily limited by a bracket 39, employed as a fulcrum for the whiffletree 40, engaging with a stop-bar 41, attached to the outer face of the forward hounds, as shown in both Figs. 1 and 3.

In frontof the bracket 39 a keeper 42, preferably of angular construction, is attached to the upper face of the tongue, and when it is desired that the tongue should not have backward movement this keeper is engaged by a latch 43, (shown in detail in Fig. 6 and in position in Fig. 3,) which latch is fulcrumed upon the forward hounds and may be carried down ward to an engagement with the keeper and readily removed from engagement therewith.

In the operation of the brake, the latch 43 being carried out of engagement with the keeper 42, the moment that the team backs the tongue is carried rearward and the rope 24, being attached to the tongue and passing over the pulley 25 above the tongue, will be drawn forward, and as this rope is attached to the link 23 the link will be carried in the same direction, and likewise the main brake ropes or chains 20 and 21, secured to the link, which action of the brake ropes or chains will apply the brake-shoes of the rear brake to the rear wheels, and the brakes will remain on as long as the tongue is held in its backed or rear- Ward position; but the moment that the team starts ahead the link 23 moves to its normal position, as tension upon the rope 24 18 relieved, and the weight of the brake-beam A will, owing to the slackening of the brakeropes 20 and 21, drop it in such manner that its links 15 will he vertical,in which position the brake-shoes are removed from engagement with the wheels. When it is desired to back the vehicle without applying the brakes, the latch 43 is carried down until it engages with the back of the keeper 42, and the said latch will prevent the tongue from having the necessary backward movement to apply the brakes.

I have above described the application of the brake on the manipulation of the tongue or pole of the vehicle to the rear wheels only; but brakes maybe applied in connection with the front wheels and applied and removed simultaneously with the brakes of the rear wheels. This is accomplished in thefollowing manner: Upon the same rod 26 upon which the friction-pulleyys journaled a second pulley 44 is loosely mounted, the two pulleys being inclosed by a yoke 45 to prevent them from having lateral movement,

and a sheaved pulley 46 is secured to the forward bolster immediatelyabove the reach, while, preferably, a small friction-roller 47 is located upon the axle beneath the reach.

The bar 41 upon the forward hounds, which constitutes astop to limit the rearward movement of the pole or tongue, may be utilized to hold in front of the forward wheelsabrakebeam D, provided with brake-shoes (Z, the brake-beam being connected with the bar 41 by means of links 61 or their equivalent, and when the brake-beam is at rest, in which position it is shown in Fig. 3, the brake-shoes are out of engagement with the wheels;

At or near'the center of the forward brakebeam D one end of a single rope or chain 48 is secured. This rope or chain is passed up over the friction-pulley 47, thence over the upper sheavedpulley 46, and then over the friction pulley 44, carried by the forward hounds, and finally the rope or chain 48 is carried to an engagement with the second eyebolt 36 at the inner end of the tongue or pole. Thus when the tongue or poleis pushed backward tension in a forward direction will be imparted to the rope or chain 48 at its upper end, which will cause the brake-beam, with which the rope or chain is connected, to be drawn into locking engagement with the forward wheels of the vehicle.

This device is not only simple and durable and capable of attachment to any running gear, but through its medium a brake may be applied to both the front and rear wheels of a vehicle whpnever the team is backed and removed whenever the team is caused to advance, and, further, the device may also be manipulated in such a manner that the team may be backed, when necessary, without apbeam, which draft ropes or chains are led for ward and are connected at their forward ends, and another rope or chain connected with the connected draft-ropes and passed over the friction-pulley above the tongue and secured to the pole or tongue rearward of the pulley, as and for the purpose specified.

2. The combination,with the running-gear of a vehicle, a tongue having sliding movement in the running-gear, and a brake-beam the draft ropes or chains of which are connected with the tongue, the beam being operated from the tongue, of a keeper located upon the tongue and a pivoted latch located upon the running-gear, the latch being adapted for engagement with the keeper, whereby when the latch and keeper engage the tongue will be prevented from moving, as and for the purpose set forth.

3. The combination, with the running-gear of a vehicle, a tongue having lateral sliding movement in the running-gear and provided at its inner end with a fastening device, and

a pulley supported by the runningear above the rear end of the tongue, of a brake-beam suspendedby vertical connections from the running-gear, ropes or chains connected with the brake-beam and carried rearward, the

said ropes or chains being capable of free end movement and being provided at their forward ends with a link connection, and another rope or chain attached to the link, carried over the friction-pulley, and secured to the fastening device of the tongue, which de- -vice is rearward of the friction-pulley, as and for the purpose set forth. 4E. The combination, with the running-gear of a vehicle, a tongue having lateral movement therein, and a brake-beam suspended from the running-gear, of ropes or chains connected with the brake-beam and adapted to assist in its application, the said ropes or chains being made in sections and the said sections united by tension devices, and a third .rope or chain connected with both of the draft ropes or chains and carried over guide devices secured to the hounds, the third rope or chain being also attached to the tongue at the rear of the guide devices, as and for the purpose specified.

5. The combination, With the running-gear of a vehicle, a tongue having sliding movement therein and provided with a keeper, and a latch carried by the running-gear and adapted for engagement with the keeper, of a brakebeam having a link connection with the run hing-gear and a draft chain or rope attached to the brake-beam and passed over guide devices also attached to the running-gear, one of the'guide devices being forward of the inner end of the tongue, the said rope or chain after passing over the latter device being attached at the rear end of the tongue, as and for the purpose specified.

VARDIMAN TAYLOR SWEENEY. W'itnesses:

ROBERT NoE,

W. H. SWEENEY.

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