US907810A - Brake-shoe. - Google Patents

Description

11. JONES. BRAKE SHOE.

APPLICATION FILED JULY 18,1908.

Patented Dec..29,1908;

2 sums-sum L WITNESSES WIT/VESQES j I I ssssssss Z.

45 over and upon the flangev of the drivin wheel, are formed the elongatedo enings 'b,

UNITED s'rA-rns PATENT onnron 7 Shoes, of which the following is a specification.

I. to as steel back shoes, and more particularly .designed for use as an engine driver gshoe,

. in use effectively fulfil all the functions for which it is designed, and which may be readi 4 construction, as will be hereinafter fully def;

the back applied to the'-shoe Fig. '4 is a on the line. 5-5 of Fig. 4,

'the finished blank. from which the back is strength to withstand the rough usage .to

. the cast metal of the body to flow into and i chor the'back to the shoe.

the. back to the body. In that portion of the" same'purposqandin etherewith,isformed HARRY JONES, ,OF .SUFFERN,

NEW YORK, ASSIGNOR TO" EDWARD H. FALLOWS, OF NEW YORIQN. Y. 1 I

BRAKE-SHOE i at. 907,81 f

To all whom 'it may concern:

Be it known that LHARRY JoNEs, a citizen of the United States, and a resident of Sufi'ern, in the county of Rockland and State of New .York,- 'have made and invented certain newand useful Improvements in Brake- My' invention" relates to an improvement in brake shoes, andmore particularly-to that kindor style generally known and referred the object being to-devi'se a steel back which may be safely and securely. anchored .at or adjacent to theabackof the.shoe,'which will ily and economically constructed.

With these and other ends in view, the invention consists in certain novel features of scribed'and pointed out in the claimsl In the. accompanyin drawings Figure 1 is a plan view of the-blank from which the bapk isf rmed. Big. 2 is apersp'ective viewo' fithe "finished back. Fig. 3 is a plan view. of

sectional view thereof taken on'the line44 of Fig. 3, and Fig. 5 is a'sectional view taken Referring to the drawingsfA-represents formed, out, punched or stamped from a strip of steel, wrought, tough, ductile, malleable, or other desired metal, having sufficient which a shoe-of this character is subjected, the four edges thereof being formed with the dove-tailed notches or recesses a to allow of through the same, and thereby securely an- In the ortion of the blank to be subsequently ormed into. a curved flangeto ,fit

preferably three in number, an also .designed to permit of the cast-metal flowing into and through the same to assist in locking.

blank which fits over the body of thesho'e, is, also, formed an elon atedopening c forjthe Specification of Letters Patent. Applioation filed July 18, 1908. Serial No. 4445156.

Patented D ee. 29, 1908.

the hole or opening (1 to' aline with a similar opening 2; formed'in the body B of the shoe for thereception of a pin or bolt (not shown),

whereby to lock the shoe to a brake head. At one .end of the blank, and in line with 1 the openings-c, d, is formed the tongue e,

whichin the finished back C is upwardly bent or turned as illustrated in'Fig. 2, forming an end stop f to receive the thrust of the brake head. At the opposite end. of the blank the metal is allowed to project as illustrated at g, and slitted as illustrated at it, this metal being subsequently formed into a hooki.

The blank A after being-thus formed is by meansofsuitable dies, converted into-thefinished back C, as illustrated in Fig. 2, that at one edge curvedtransverselytoform the flange. D, covering that portion ofthe flange of the shoewhich fits over andupon the flangefof the wheel. As the end sto f and the brake head, it is essential that they be the cast metal ofthe body, as illustrated in the central portion of the metal forming the elongation g of the blank, is bent or curved into the form of a hook, while the edges thereof are upwardly bent to form side ,flan' es, this peculiar construction and'sh e resu ting'in a hook ofgreat strength, ca alile of withstanding the severe-strains whio are from time to time imposedupon it. The

" back thus formed, is'seourely anchored to the body B of the shoe, the metal thereof flowing into the. dovetailed notches formed on the four sides of the back, and also into and thpgugh the'gpenings l) and c.

esi red,"-the body of the shoe may be provided with the inserts in of relatively hard and soft metal, whereby to secure a compo'site braking and wearing surface of'relativ'ely hard and soft metals.

Having fully described my invention, what- ,I claim as new and desire to'seoure by Letters atent, is z.

back, said back bein located at oradjacent to the back ofthe b0 and provided with an intelgrcall flanged hook, substantially as descr1e.

"l- ..;A bfr ake shoe consisting of a body and a 70 is, is curved in the direction of its length and 2. A brake shoe provided with a back 10- reinforced by the cast metal of said body, cated at or adjacent to the back of the body substantially as described. of the shoe and having an integral flanged 7. A back for-a brake shoe formed at one hook formed at one end thereof, substantially en with an integral hook, said hook being 5 as described. provided with upwardly bent curved sides or 3. A back for a brake shoe, provided at flanges whereby to stiffen and strengthen the one end with a flanged hook and with an upsame, substantially as described.

turned endstop at the opposite end, sub- 8. A back for a brake shoe consisting of a stantially as described. perforated tread and flange, said back being 1 0 4. A back for a brake shoe having an in curved in'the direction of its length, and said tegral flanged hook formed at one end thereflange curved transversely, the four edges of of and an integral upturned end stop at the said back being rovided with dove-tailed opposite end, substantially as described. notches, the trea portion of said back hav- 5. A back fora brake shoe formed with a ing formed on one end thereof an integral 15 flanged hook at oneend and an upturned hookhaving flanged sides and at its opposite sto at the opposite end, one edge of said end with an upturned end stop, substantially bac being curved transversely and perfoas described.

rated to form a flange, substantially as de- Signed at Suflern, in the county of Rockscribed. land and State of New York this 15th day of 20 6. A brake shoe comprising a body formed I July A. D. 1908.

' with a tread and flange, and a back located at or adjacent to the back of the body and f formed at one end with an integral flanged hook and at the opposite end with an u 25 turned end stop, said hook and stop being HARRY JONES.

Witnesses:

ROBERT YATES, FRANK S. HARRIS.

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