US829637A - Fulcrum for brake-beams and method of manufacture. - Google Patents

Description

PATENTBD AUG. 28, 1906 E. I. DODDS. FULGRUM FOR' BRAKE BEAMS AND METHOD 0 F MANUFACTURE.

APPLICATION FILED OGT.30, 1905.

2 SHEETS-SHEET l.

double thickness of the OI? PULLll-fillii, lfiiliiilfilfiid, AESEGHUH CHICAGO, lLLlNOiE A ()GRPURAHUN it PUL MAN cl: ELLINQIS.

Applicv t lm a m 0mm 1905. semi N0 2mm,

Fulciums fey Brake-Beams V i l tleimfecture, (if which the "3 2t specification.

' of my present inventien is the brace-teem fulcrum which =enen1iceliy menufectuyed ce of relied sheet mete A rects 1 trip e mete: s0 its t0 fer'iii ears for ettechment te the brale-- cam fill. 0i ears to foi m tile sucpoit the hierunrpln of the &ct 1g 3 two pairs ei" ileiiig loin tl. by

crepe! angular displace? ent. chmeeter is strong and rigid e fmm the s \i and air-holes and fen 1 malleable end cast ii'mi .)'Y11\l )9i1ll1 Eerums, which them in use unrelieele and dengereus m-w (ll use of the frequent Rage 075 such 3 The glrmvings Wl'l zt-ccompenv t icmxion and form a m lleieef illiietqs preferred mechanical embeiliment of my iiivention.

In said drawings, Figure 1 is a "\"lOW of nybreke-beam fulcrum. Fig.2 similar view showing the fulcrum attached ts ilie lil'lli9-l)3,lllfiiliii, ills-0 to the fli'jfillall' ifi over. Fig. 3 is a cmsseecticn tl'li'ough ti brake-been; and illustrates the atteelim 'k't 0f the "fulcrum to the beam and to the lever, 21ml Fig. 4 is it i'lg'lltll&ll(l end View 0?? the parts shown in Fig. 3.

Te manufacture a brake-beam fulcrum sicconling to the principle of my present invention, a, rectangular strip of metal is folded over t :Hisvei'sely, s0 as to bring its ends 10 1G eiljecen" to and parallel with each other, the

ether ei space lwrween the two being equal m the 'tlnclmess 01" the web of the brake-beam to which the same is adapted to be attached. The central pert ii oi" the metal strip bent inwardly to lie against the 12 1:2 and form therewith 13 13, which are if metal and spaced ape-rt 2L distance substantially equzii to the thickness of the lictuatinglever to which they an" attached. A portion 0i eachs ile oi 5 the metal strip is else bewed outwerfiyi asst l4 thereby t. {lung oppcsitely-disposeti which the flanges 16 cf ll" brake e adapted to fit, the Web 18 bei strip has scribed the two paeii metely fertyfiye. thereby pref we he angular dlfi'eience betweentlie tile breiielieem lend the actuat- A 2f) tiuou h aimed in the ears 10 end. else t cugh-a.

securely ettecliiiig tiicfulcriim til the title rii'etsii belt 231 p ec? iieles 522 in the 13 an teneeusly It is ied i'uicrum *Wtel free from the defects incielsceppaxent tl'iet my imbeceuse it 1s made of rolled dental to cast-metal structures end for that raiser:

is safer to use, besides reducing the 1 of iislmps end of repairs required. atent is intended to embrace only so the disclosuremade herein as is cov- T the claims. im-- .i

l. b'reke beam fulcrum consisting of a bent s rip of metal having sidewise mhacent ends farming attaching means to a brake beam, and having a central part extended inwardly t0 9f the ship, ears for attachment to an actusiting-lever, substantially as described.

2. A lamina-beam fuleium consistin of a bent stil of me t! having parallel sidewise adjacent ends forming attaching means to nbmlie beam, and having parallel ears of double thickness singularly ol'iset Telativeiy brelzebeem consistin of a bent sti'ipof metal adjacent faces, sub- }5 on the inside cf thQStELIf-UZIB,"

0. oetween theeers 10. After the been bent t0 the shape pairs o f cars It 1% Wild 13 1,3

4 twisted reictiveiy to one anethe'i'ftc'a r on sides 05 the the Cl is, the:

also a. in the epei'etingleier fififthe', .75 eve described the methed of s mey be performed substantially simuL;

to, said ends and m'lepteti to receive the actu-' A iulerum fez attachment to e flanged in the web 18 0f the melee-teem, therei form with the adjacent portions having parallel sidewise adjacent ends forming attachins means to a brake-beam, parallel ears of (feeble thickness adapted to receive an actuating-lever between their adjacent faces, and intermediate oppositely and outwardly bowed portions adapted 0 fit the flange of the brake-beam, substantially as described.

47 A fulcrum for attachment to a flanged brake-beam consisting of a bent sl rip of metal having sidewise adjacent endsforming attaching means to the brake-beam, parallel singularly efl'set ears of double thickness adapted to receive an acmatingdever between their adjacent faces, and intermediate oppositely and outwardly bowed portions adaptedhto fit the fiange of the brake-beam, substantially as described.

5. The method of manufacturing a bra-kebeam fulcrum which consists in folding over a stri of metal transversely so that its ends are a jacent to each other to form means of attachment to a brake-beam, and bending inwardly the central part of said strip to form with the adjacent portions of the strip ears for attachment to an actuating-lever, substantially as described.

6. The method of manufacturing a brake-v beam fulcrum which consists in folding ever a strip of metal transversely so that its ends are parallel to term means of attachment to ing said attaching ends and ears relatively to ser es? of said strip between said attaching ends and ears to form internal oppositely-disposed rev cesses to receive the flanges of said brakebcam, substanlially as described.

8. The method of manufacturing a brakebea'm fulcrum which consists in folding over a strip of metal transversely so that its ends are parallel to term means of attachment to a flanged brake-beam, bending inwardly the central part of said strip so as to lie flat againstthe adjacent portions to form ti1erewith ears for attachment to an actuating-1ever, bowing outwardly the two portions of saidstrip between said attachi ends and ears to form internal c positely rli cessesto receive the anges of said brakebeam, and twisting said attaching ends and ears relatively to one another to secure a're'lative angular displacement, substantially as described.

ETHAN 1. Bones.

Witnesses:

hREDERIcK Goonwm, WATLER M. FULLER.

sposed re-'

Images