US112897A - Chauncey s - Google Patents

Description

7 4 v PATENTED MAR. 21, 187].

. a. 8.3mm. RAILWAY GARTRUUK.

BUCK, sr; QIIIQQUI'SIQ-IMLSSOURI. 1 nss enonff rof ij-nnsntn I-YVIANID JAMES Lo v it'rn otjsnmn jBLA'en. z

oH'l'lUN oEY 1.6mm Patent No; 1l2, 897 'dated time, 1871; 7 f

' flMPROV'ElVlElQT -FN. RAlllWAY-CAl-if TRUICIK'SQI: i} 5 The sche'diile re fii iedtoiin these Letters iP atefiii-ena pit to! the same.

LIGHAUNCEY S. 'Bnomof the city and county of St. Louisfand State of Missouri, have invented a, newand usefullmprovemen't in Swing-motion Gzir-truoksi neath the ends of the-holster, of springs extending I nn rposes first; ns friction-plates, against which his. tion-plates "0, attached to the sidesof the holster, iznpinge; and, second, as safety loops to sustain the bolster in case of the breakage of a, spring. I

. My device admits of some m'odication without.

.e'hange of -prin'ciple; 'ibrinstance; in applying it to short freight truck's; rigid. equalizer barsmay takethe .f

place of the springs 0 I such-bars having the shackle connection 0- q rwith'thesprings' QB. so asto allow theswing of the holster'nponthe shaokle connection. This nodificntion' would"not fnrnishso perfect an nrritngementgns that shown, but would answer the piirposefor inost height-oars,gendjvould' constitute a; I hetteriarrangement thztnthatin ordinnrynse, 'I prefer to make-the springs-Q,ltof-snllicient power to hold' up'th'eir endsonordinary occasions in contact I with th'el'owerfs'ideiof the intermediate'oross ties but I lmvingsnfiioient flexibility to hehrought intense as i springs'on any extraordinary 'oeeasions. w II The. bolster has onstant aiid-iiee capacity for swing-motionon the'shtolileoonnectionsofthefsprings and spring motion on the springsQ i, :tndthe equnliaoro'ss at right angleslwith the holster, and whose ends ar connected by shaokle'sto the ends of springs: suspendedfront the intermediate cross ties of the The object is to give an .easyand durable combined spring andswing-inotion', and tohring'the' bearing directly over. the springs of the equalizer bar; so that there shall'be no-tendenoy to warp orstrainthe frame ofthe-truokg I v I I h I a II v I 'Figurelis'a hotto n yiewof'the'truck, Figure 2-is a, transrerse section at the line X-X,

lig .i:1. Y 'zersprings o I f", .i 111 The. upward moyen entof. the wheel on passing. 67mm 686ml) over an inequality of. the track: first raises-the end of the equalizer-bar 'resti'ng on the .journnl-boxjjthe strain thencomes on the spring G, which isjprefernbly located vertlon'llyheneath theiendoi' the -intermediate cross-tie D or I), which, endmay be 'ra-ised,- bi1t never I to the same extent as-the wheel, and stilldecreztsed movement of the spring step fills oa nsedg-j; This'step turns freely'onits:supportingpivot-pin I A1 Bore -the pedestal 'or'side timbers; and

, (l-C'fD' 'DT E E are,- respeotively -the 'ontside,;'interme diate, and center cross-ties.

, Fare. braces} extending obliquely from the intermediate cross-ties. I I l G are the equalizer springs having caps H secured beneath the pedestal timbers, and steps H? secured;

center to to the equalizer bars I." I I I 1 T so'thetthere-is no -rnokirigstrain-on the attach- J-- are the pedestals, connected by longitudinal "ln'ents, ztnd as one end of the ti e isIraised, thespring straLps'J. Q .or Itjis rztise'd equally zit-both ends fniid' hut a slight '1 K are the axleboxes.; I

are'the wheels; and

M, the axles;

N is the bolster; and I n, the center plate.

Ov P are half elliptical springs, firmly and rigidly." attached at their mid-lengths to the lower s'ideofthe bolster, neztr theends of thelatter. At the outer'ends of'the springs'O Pare loops or links 0 1), whieh'hang in similar loops (1 7'", at the outer ends of thespringsQR, which are attached attheir'.

mid-length to step-blooks S.

The step-blocks are supported oily pins T, passing through the loops of the hanger straps U, which pass over the intermediate cross-ties, and are held in place v by bolts 11,, or otherwise.

V are straps or stirrnps, whose ends are attached to the tops of the center 'oross-ties l l E,'a.nd which pass down between these cross-ties andth'e holster,

and beneath the latter. These stirrugs answer We and eqnal movement. is communicated. to" the springs O P, and in e still-decreased exte'irtto the'bolstert i i "The whole weight-0f one end of the oarjcomes on the intermediate cross-tie D or D,,' directly frorn'the spril'igs OP Q It, and aLs' th e. equalizer springs are .nenrly or quite vertically henezttli-the said ends of the ties, there is no warpingfstntin upon the pedestal;

timbers, and the truck rnnyhe made the full lengthof n six-wheel truck, so its tofgive a long and steady henrin u on the track withoutlenderin IitQwe'ztk;

ported.

owing. to the distance between" the wheels and. the I central. point, upon which the body ofj the can is snp- 'lhe con'z'n on short four-wheel I Owing to the short bearing upon .thf '"tok, and when thelength oi the lil'llUk is l l'lGIiitSIdySQiitS to-lessen this diriienlty, the tru c ks are rendered-Week owing to the distnnee between the wheels, "as stated, the hoi sterheing snpported on the center of the't'rdek. I With my truck, as hcfore' described, the hearings wear of the journals and b and mu s-mu .as strainixiQ'fifietidkQ J The six-wheeljn'uck isalse'strained byt he nneyem' ness of :the track, asit is fs'nppqrted .injmn on each pair 6f whee1s,iend thus the steadiness gained by an extended beefing on the track is lost ,by the. addition'i of the third [pair of wheels. I k

e of the car-body on the frame of the truck are placed near to thewheels and directly upon the ti'e-barover V the equalizer strain. i E

springs, so that there is no injurious Considerable difiicultyat tends thense offsiziwheeied trucks, especially on uneven tracks, or-.those having' short curves, because the wheels must. necessarily-bein a straight; line; and on short curves the axles have hard side pressure against the boxes, and the flange of the wheels against; the rails, causing considerable es, and, also the wheels Witnesses:

; MM- v I claim as my invenvipn A swing-motion car-truck, having transverse springs Q R, applied to the'intermediate cross-ties D D, and

cofineetedat'theirends by shackleso'q 1) r, and lbngi- ,tiidinal pr g or ba s-0 P to the bolster N, as here. in representedend' described, .for 'the'purposes me form.

"In besti'ineny' iifi'nbieli invent-ion I-have hereunto senmy hand. e

' OHAUNCEY s. BUCK.

SAML. Kmmmg Gnones ELLIOT.

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