US920944A - Brake-head. - Google Patents

Description

' W. E. FOWLER, JR.

BRAKE HEAD.

APPLICATION FILED JUNE 29, 1908. RENEWED FEB. 26, 1909.

Patented May 11 1909.

UNITED STATES PATENT OFFICE.

WILLIAM E. FOWLER, JR., HAMMOND, INDIANA, ASS GNOR TO SIMPLEX'RAILWAY APPLI- ANCE COMPANY, OF CHICAGO, ILLINOIS, A C RPORATION OF ILLINOIS.

, BRAKE-HEAD.

Specification of Letters Patent.

Patented May 11, 1909.

stfiiplication filed' June 29, 1908, Serial No. 440,975; Renewed Faun-tarry 26, 1909. Serial No. 480,168.

To all whom it may concern:

Be it known that I, -WILL1AM E. FOWLER, J r. a citizen of the United States, residing at Hammond, in the county of Lake and State of Indiana, have invented certain new, and useful Improvements in Brake-Heads, of which the'followin is a specification.

My invention, winch pertains to railwaycar brake-beams, has for its main and princi palpurposethe provision of a brake-beam with brake-heads which willbe securely held thereon from movement lengthwise of the beam, and which may readily be adjusted angularly thereon, and maintained in adjusted position by a simple and effective locking means. In the preferred and most desirable embodiment of the invention, each end of the beam has a sleeve externally grooved transversely, the groove having one or more open mouths or entrances for the admission of a lug or projection on the inner surface of the brake-head hub, this projection and groove forming a bayonet joint and preventing dis-' placement of the head longitudinally on the cam. The bottom of the groove is preferably roughened, and co-acting with such surface I provide a locking block mounted in a recess or pocket in the brake-head, and actuated or pressed into locking engagement with the sleeve by a slidable wedge," in the recess 2 back of the lock-block, this wedge having an a erture accommodating the head of a bolt, t e other end of which is extended outwardly through a hole in the brake-beam head, and being equipped with a nut adapted to actuate the wedge and force the lock-block against the roughened surface of the sleeve to hold the head in adjusted angular position.

A desirable embodiment of this invention is illustrated on the accompanying drawing forming a part of this s ecification, and to which reference should e made in connection with the following detail description.

On the drawings,Figure 1 is a substantially central-vertical section through the brake-head and sleeve forming a art of the brake-beam Fig. 2 is a section on no 22 of Fig. 1 as viewed in the direction indicated by.

the arrows; Fig. 3 is a top plan view of the brake-beam sleeve; and Figs. 4 and 5 are fragmentary sections illustrating the manner of positioning the lockin block and wedge in the pocket or recess of t e brake-head.

Refe'rringto the drawings, itwill be noted that the brake beam has a compression bar' 10 and a tension rod 11, on the ends of which is fitted a sleeve 12 having the customary and usual flange 13 at one end, and also having on its exterior surface a curved groove or slot 14with right-angle extensions 15 and 16 at its opposite ends and leading to the ends of the sleeve, as is clearly indicated in the figures. The bottom of this groove 14 on the top and bottom of the sleeve is serrated or toothed or roughened at 17 and 18, for a purpose hereinafter indicated.

The brake-head 19 is supplied in its lower portion with a pocket or recess 20 having a curved entrance or mouth 21 somewhat narrower than the full width of the pocket. My improved locking means includes a lockblock 22 having a concave roughened or serrated surface "23 on one side, the o posite surface of the block being inclined or eveled at 24. This block, as is clearly shown in the drawings, is adapted tofit in the mouth of the recess or pocket and extend out of the faces of the block and the bottom of the groove co-acting as will be readily understood. Also in this'pocket or recess 20 I provide a sliding wedge 25, the inclined surface of which bears a ainst the corresponding surface 24 of the lock-block, while its opposite face rests upon and is adapted to slide upon under face this wedge 25 has an undercut recess or cavity '26 adapted to accommodate and receive the head 27 and a portion of the shank of a bolt 28, the cooperation of the parts being shown in. Figs. 1, 2 and 4. The side walls of the pocket or recess 20 are apereither one of which holes the shank of bolt 28 is adapted to be passed, a nut 31 on the end of the bolt being used to draw the wedge o'r inclined surfaces of the wedge-block 25 and the lock-block 22 together toforce the lock-block intofirm engagement with the roughened surface of the sleeve.' A nut-lock be em loyed' to co-act with the nut and the brakeead to prevent loosening or unturning of theformer.

The interior cylindrical surface 33 of the hub34 of the-brake-head is supplied with an inwardly extended projection or lug 35 adapted tp'fit in the groove 14 and prevent lengthwise or longitudinal shifting of the head on-the sleeve 'or beam, this lug 35 when same into the groove 14, the roughened surthe bottom of the recess or pocket. On its tured or perforated at 29 and 30, through 32 of any usual and ordinary character may the head is being placed on the beam passing,

into the slot 14 through one or the other entrances or mouths 15 or 16. In some cases it may not be necessary to use this projection or lug 35, but in the preferred form of my device I employ such a construction, and have therefore illustrated the same on the drawings; and when such a lug is'.not used reliance is placed solely upon the lock-block 22 to prevent 'longitudina movement of the head on the beam.

The parts of thisdevice are assembled in a manner substantially as follows: The bolt 28 having been placed in the recess or pocket 20 with one end extended out through one or the other holes 29 0r 30, the wedge-block is introduced into the pocket through the entrance ormouth 21, the bolt being so held in place that as the. wedge-block drops into the pocket the bolt-head 27 will be received in the undercut portion of the recess 26. The wedge and block are then pushed to one side, as is indicated in Fig. 4, and the lock-block 22 introduced into the pocket through the mouth 21, the

such as to allow t 1e lock-block to drop into the 5 pocket sufficiently to permit the brake-head 1 ob to he slid lengthwise on to the sleeve 12. ll hen belng placed on this sleeve the brakehead is turned around so as to permitthe inwardly extended finger or projection 35' to' enter the slot 14 through one of the mouths or entrances 15 or 16,-and after this projection 35 has entered the slot 1-1 the brake-head may be turned angularly on the sleeve and brake-beam. to proper position, after which the nut 31 is screwed on the threaded portion of the bolt 28 so as to draw up the wedge 25, the latter by cooperation with the lockblock 22 projecting the latter into the groove 14 until the roughened surfaces at the bottom of the groove and on the concave face of the lock-block come into firm ei'igag'ement and act to hold the brake-head iii adjusted angular position. 'lli'l'ien this position of the parts has been secured, the nut lock is ent up so as to prevent unturning or loosenm% of the nut.

f desired, the lock-block 22 may fit somewhat loosely in the pocket, so that if the corrugations or serrations of the cooperating ing wedge.

The kind of sleeve illustrated on the draw ings is adapted for use at either end of the -brake-beam, and for that reason the slot 1 1 is preferably provided with two entrances eeoeea or mouths 1.5 and 16, either of which may be employed for admitting the projection 35 into the groove. .Whereas but one roughened surface is indicated as being in use in Fig. l; the upper or inoperative serrated surface would be employed for retaining the head in place if the sleeve were used at the opposite end of the brake-bcam.

' It is to be understood that this invention is not limited and restricted to the precise construction shown and described, because the minor mechanical features thereof may be modified within \vidc limits withoutdeparture from the scope and essence of this invention.

I claim:

1. In adevice of the character described, the combination of a l)l:tl{O-'l)(nli1, a brakehead adapted to lit on the end of said brahcbeam, a lock-block, and unyielding means carried by the brake-head and adapted to actuate said block to maintain said brakehead in adjusted angular position on said Y I brake-beam, substantially as d scribed. osition of the wedge being j 2. In a device of the character described, the combination of a brahc-beani, a brakehead adapted to lit on the end of said bra lie-- beam, :1 lock-block, and unyielding means carried by the lnake-head and adapted to force said block against the brake-beam to prevent turning of the head thereon. substantially as described.

'3. In a device of'thc character described, the combination of a b1.ake-l. eam, a brain head adapted to fit on the end of said brake beam, a lock-block housed in said brake head,.ard unyielding nicans in said brain'- head and adapted to force said block against the brake-beam to prevent turning of the head thereon, substantially as described.

4. In a device of the character described, the combination of a brake-beam having a roughened surface, a brake-head adapted to fit on the end of said brake-beam, a lock block with a roughened surface in said brake head, and unyielding means to force the roughened surface of said block against the corresponding surface of said brake-beam to prevent turning of the head thereon, substantially as described.

5. In a device of the character described, the combination of a brake-beam, a brakehead adapted to fit on the end of said brakebeam, at lock-block, and wedge means to force said block against the brake-beam to prevent turning of the head thereon, sub stantially as described. a

6. In a device of the character described, the combination of a brake-beam having :1 trans verse groove, a brake-head adapted to fit on the end of said l)li1-l )-l3QL1l1, a l.ocl-.- block in said brake-head adapted to extend into said groove, and wedge means to fore"- said block against the ho-tton'i of: said groove Inn turning of the head thereon, substantially as to prevent turnin of the head on the brakebeam, substantia 1y as described.

7. In a device of the character described,

the combination of a brake-beam having a roughened surface, a brake-head adapted to fit on the end of said brake-beam, a lock: block with aroughened surface in said brakehead, and wedge means to force the roughened surface of said block against the roughened surface of said brake-beam to prevent described.

8. In a device of the character described, the combination of abrake-beam, a brakehead ada ted to fit on the end of said-brakebeam, a ock-block, a wedge to force said lock-block against the brake-beam to lprevent turning of the head thereon, a ho t in operative engagement'with said Wedge, and a nut for said bolt, substantially as described.

9. In avdevice'of the character described,

- the combination of a brake-beam, a brakehead ada ted to fit on the end of said brake: beam an having a bayonet-joint connection therewith, a lock-block in said brake-head adapted to beafagainst the bottom of the 4 11. In a device of the character described, I

the combination of a brake-beam, a grooved sleeve on theend of said beam, a brake-head ada ted to fit on-said sleeve, a lock-block in sai brake-head adapted to project into said groove, and wedge means to force said block against the bottom of said groove to prevent turning of the head on said sleeve, substantially as described.

12. In a device of the character described, the combination of a brake-beam, a sleeve on theend of said beam having a roughened exterior surface, a brake-head ada ted-to fit on said sleeve, a lock-block in sai brake-head havin a roughened surface'adapted to co-act with t e corresponding surface of said sleeve, andlwedge means to force said block against said sleeve to prevent turning of the head thereon, substantially as described.

" 13. In a device of the character described,

the combination of a brakebeam, a sleeve fitted on the end of said beam having a transverse groove with a roughened bottom surface, a brake-head adapted to fit on said sleeve, a lock-block in said brake-head having a roughened surface and ada ted to be projected into said groove, a we ge to force the roughened surface of said block against the corresponding surface of said groove to prevent turning of the brake-head on the sleeve, and means to actuate said wedge, substantially as described.

14. In a device of the character described, the combination of a brake-beam, a brakehead ada ted to fit on the end of said brakebeam an having a bayonet-joint connection therewith, consisting of a projection on said brake-head and a groove on said brake-beam, the bottom surface of said groove being roughened, a lock-block with a roughened surface in said brake-head, a wedge to force theroughened surface of said block against the corresponding surface of said roove to revent turning of the head on t e brakeearn, a bolt operatively connected-with said wedge, and a nut for said bolt, said nut and bolt acting to actuate said wedge to o erate said lock block and force it against the rakebeam.

WILLIAM E. FOWLER, JR.v Witnesses:

WALTER M. FULLER, FREDERICK C. Goonwm.

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