US819592A - Lifting mechanism. - Google Patents

Description

PATRNTEDMAY l, 1906V 4 SHEETS-Smm 14 L. C. PHILLIPS.

LIFTING MBOHANISM.

APPLICATION FILED oc'r.4.1905.

TC J

No. 819,592. Y PATENTED MAY l. 19064 L. C. PHILLIPS.` LIFTING MECHANISM.

APPLICATION FILED 001`.4,1U0L.

No. 819,592. PATENTEU MAY l, 1906 L. c. PHILLIPS. LIFTING MEGHANISM.

APPLIUATION FILED 0UT.4.1905.

4 SHEETS-SHBET 4.

Elo. $19,592,

oplcntou lilaal October fi, 1GO-5, Serial llo,

Bo il known that i, iioriosr.' i). Prinzips. :i l1.: i 1 "'l n?? u ql'wmn uw. H r o" Nifl citizoool iris ordi bis, issrfiiig? t moi mood, ninth@ coriiilj of Henrico and Sisto ol 5 vfirgiriio, have. invented new and uso-hd Ilii- `proveirifiolis m Loting; Moohaoisiii, of which tho iillowmg is Si sporihootion.

This .invention relatos to mechanism for proloog op or supporti; ioiiwiiiiotiifo-origines D io sul other analogous hoavy structures when il is desired "to ilotorli tho wliools or othor uri.- rlor ports oir/l to irisiiit i the supoortiid srigiris or oth ovioo in *ivo olomtod oosition Curio the shssiire or prii'r to the ropla-sement the romovod port Without re- 1,sorting to the ordinary ouiiibr t imo method of utilising' blocks.

. Tho invention con J sind rrorigemont of t A l ports 'whioh zo will he more fully horoioaltor sot lo f in the sooonrosnyirig drawings] lligiirs l is s sido elevation, partially sor-tion, of the "improved pillar. Fig. is s View in trous-- verso section ol" s pit, showing :t pillar loootod thor-siii. Fig'. is s top plsu view of a portsblo jock. Fig. is s sido ol votioirpartially in section, ol' tho jack. ii F. :i control trsiisverso vertical section oi the look.

1 'ri-l longituriusil section of it pit 3o with the pillars located therein mid showing howY on origin@ is olsviitoil arid suilipiirtol to ro move thowhools :and boxes therefrom. Fig. 7 is u sii; f lovntiori ot the pilot-lifting; moohhuisnr, ond Fig. t5 :in and elevation of tho sauro.

iiiiiriorsls oi roloroiics oro oiiiployod toindicato corresponding parts iii the sovoral viows.

Tho meohiiriisiri is uso-Tl mainly iii pit-l of 40 siiitsblo strooturo 'oi-f rotoli-mils l of the usual gogo, and c; .posed in tho Ylwittom ol "the pit is o hof-plots 3, with depending soc-l:- ols or rooossos in the iront und roar ozilireirities therooi 'or the operation oli iront and il irs 5 sind rospootivolv, hsvmg cross-'o and 55 iriovohly supporlod therobjf mid lires lo tilt in opposio directions, Ywill loo more l'ulliY horoiiisitor oiploiiiod. The pillars ood (5 oro mow-ble in suitolilo guides il, n roviiisd with oops lll, llirougli which the ssid pillars niovo. The pillarsV 5 sito 5, rospootively, hzwo tsolli ll :13rd lZ their outor i-irss :uid or teotli 'i3 and li opposi'losid Tho tooth ll and l2 are r gagged hy piiiioos l5 and 16, disposed oo o Shaft l?, this Construction boing iluplicstod L Fifa @pacification of Lst'lzers Fatemi.

, l/ l RG l..

.fatentel li'sy 1906.

:it opposite sides ol" the rriool'ionisro. Each sliil't l? is oporolzod ov suitoblo .mosils to rfiiso and lower tho pillzirs sud ond is adjustable with respect to thx piuions to oooonr iiior'sto it separation or ii'iovoniont loiigitudi uol y olloiio sot of pillars ond connecting-hostil with respect to tho other. Tho pinion 16 is laf-used to always rototo 'with lhs shaft tliroi `Ai tho rhodium ol :t suitable s'pliiio and groovo iri tho rospor ivo parts. Tho pinion l5 is clutched to tho shaltthrough tho modiruii of o olutolrslsovo lo, operate-fl by o zlutclilovor li) socvssihlo ot thooutor sido of the loi-word sot oi" pillars, shown. The p iiiiori l5 loose on the shaft when the clutch-sloom is disengaged thorlrom; buty tooth 33 ond is of tl o pairs ot pillars 5 and 6y iro provided for engagement oy-poils of dogs 2l), operating with oor-,li pillarj oooh dog having on outwardly--projootiiig grip or hzmdlo 2l. l'or releasing it or throwing it outwardly :ind inwardly with rsspoot to its pillar.

Tho upper onds of the pillars 5 and 6 are enlarge nl 22, oud lormod with toothed Qorioiwitiss or arcuirlo smits in their outer cos, 'lhofinnor porciou of oooh pillar projecting ubovs its sost 23. ll'ulcromod lookinglios-zls 24, forming portions ol posts or logsi, dopoiiliiiig l'roiii tho opposite oxtroiiiitios of tho hoods 7 and S, engage tho toothod ooncztvitios or sosls 23 and are formed with tooth 2G to ooporato with the toot-h ol said roolossos or soiits. Tho posts or logs 25 are vertically movable with rospoot to tho upper Enlarged extremities or ends of tho pillars through tho medium of vertical slots 27, formed in tho oppor ends ol the pillars shove' tho ooiicsvitios or rooossos 23, and in which luloruiu-piiis 2S, otsnding through tho con tor ol' tho heads 2li, oiigogo. The posts or legs 25 have .ii1ovo1ho1it-oontrolling roos iiioiiibers 29 pivote-d thereto above the lulrrii1iipi11s 253]. said rods or 'members dependirijgf through movable springdmxes 230 ori the v adjacent sides olE tho oppor @olor-god extremioriugs 3l :1ro disposod iirtho sprii1g-boxes IOO IOS

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end opereting'witli the rods or members 29 to normally hold the locking-heads 24 disengeged with respect to the concsvities or seats 23. When the posts or legs 25 and the heed 7 l 5 are tilted, the rods or members 29 end springboxes move accordingly, end when the seid legs or posts end heads ere free to return to normel position the springs 3l restore them to vertical elinement with respect to the pillo lars.

Between the pairs of ,piliers end resting on the bediste 3 in the bottom of the it' are intense iste supports 32, having tel) esto s 33 projecting orwsrdl end in resr of t e p5 illsrs to sustain porta le jacks, which will e more fully hereinafter specied, in elevsted position end inoperative relstion to the centers of the heads 7 end 8. These teble-tops 33 ere rendered accessible from the zo track-rails 2 by meeiisof bridge-plates 34,

extending frein `the scid rails to the teliletops end permittin `tile portdblefecks to lie easil disposed .un er 'or removed A nest the heads 7 end 8 es tlie several operez 5 tions or, removing the oei-#wheels or other ulil der perts of elocoinotiyeengine meydemsnd. These portable jacks each comprises an outer cylindrical body 35, in which ere arranged e' series of concentric adjusting-cylinders 36 3o and 37, the ripper extremity oitlie body 35 end both the upper end lower extremities of the cylinder 36 and the lower extremity 'of the cylinder 37 hcving iienges or circiimferentiel continents 3 8 for engegeinen't with each other es the c linders 36 and 37 sie force-d upwardly. itliin the cylinder 37 is e. plunger 39, cerrying en 'ripper heed 40, the plunlger 39 e ooiicevity 41 .initsbottom over en inlet-:valve mechanism Li2 for comi trolling the dxnissi'on of eir 'or'yveter into the body 35. Connected to' the valve kriechen ism mise 'pump iidisvinig evelvedfcoepling 4hose or slnelogous device 44 for attachment to theek-singly of e sho y 'or to arreter- 'm'ei'n, es may e desired; "e pump '43 also has en exhaust-pipe 45, 'simiier'in construc- 1 tion to thepipe 4d. The puni and its connections' together with there ve mechanism, mty e of any wellfknown form and of that class of such devices es are 'now' commonly pneumatic eppereti'is.

The body 35 is secured to a.' bottom plete 46, end the loWer ends 'of the cylinders Boend 37 and the plunger 39 ere norniell held 'ele- Veted above the vseid bottom, the ve.; ye niecliensm d2 being-suitably disposed ini seid b ottom and the' pump 43 in part secred to the lbody 35 end to the bottom. It vinfill elso lie understood tiret; suitable peckings will be interpdsed between the cylinders, plnn er, and the body, the 1cod constituting, iin er norni'el' conditions, t e 'stand for 'the jieck in which the cyiinder's sind lftluiger'ere regularly 65 sdjsteblet iinpet to thejacke greater fram ernployed in connection with hydraulic or erstes renge of motion nriritlzioiit modifying tile sup-1.

yoire `47 attached thereto end pertieily ses rounding the body, the letter being vertically moveble' within the yoke, end between the yoke and the upper portion of tile body on the exterior springs 43 ere interposed'whieh elweys tend to hold the seid body elevated. in the yoke. The yoke lies its free terminels provided with rollers 49, end et tire center thereof is e. caster 5G, by means of which the ieclr es e whole :may be readily moved from one place to enotliei.v When Weight strein is imposed upon the heed 4G, connected to the plunger 39, the body 35, together Wits -the c linders 36' end 37, ere forced down Werd y until the bottom @e losers einen tile support for the ieee., Wiiicii in the present in stance will be ne of tile table-tops 33, time relieving the roilers 49 end caster 50 of tresslng strem.

At the front or pilot *end ci the icc-emotive e lifting mechenis somewhat similsr to tiret embodyin the il' ler's 5 dnd 6 end the hei-ids 7 end 8 wl bensed, but wili be without the jointed posts or legs 25. pilot-lifting 'mccliemsm embodies ,e truck-'freine 5l, hey infr front and reel' poire of track-'Wheels 52,

carried by axles 53, moveable is 'slots ed eed normali held depressed by springs 55. The

track-W wider ege then the usuel reilwsy-treciz end loeete between the rails 2, so tiret this pilotliftin' me'ciienism may liereedily placed in position under the iront eitrenty ci tire er gine end removed when desired.' Tire moy eble attachment o' the trees-Wheels 52 per-- eels 52 ere.v moved on s treclr ci nite the' truck-ieine 5i to iower when the lifting meehenism is subjected to Weight pressure, so'tiiet the tmclefreme rcey rest 'upon the support therefor Without impcsing breelriri stie; 'on 'the' treck-Wheeis or their eizles. tisirrg from opposite' sides c'l time {trnclrireme 51 ere psirsoi .guides 56, las tween 'which piangere 5? ixeve vertical movement end carry oeps 5 8, through 'which .tile 4legs 59 of e cross-heed '60 extend, 'the legs 59 being moyeble trou'gli the oeps end forming e continuation 'of tlie plungers 57. The op# posite ledges of the legs 59 for the extensions of the plungers here recesses 6l therein to receive the inner reduced ends ci dogs 62, similar to the dogs 20, Aheretofore described, and having handles or grips 63 for e like purpose.

airs 'oipliingere 57 ere suitably connected gy transverse inernlzers 64, end 'in seine stences it nre-y be found that only 'one heed 'will be necessary for 'certain iinds of Work or 'thet the pluogers e'nd 'eros'sdieeds be reduced. one-heli'. 'lliis ifoiiid lne en ol'vio'ns cwhenge Without deperting in` tlie leist from the 'scope ef the invention.. This Tl'ie cross-heads 30 ofthe opposite ..5 ,upper extfemites of @bhe prs and having u.. Si?? mm E swaying pnions for @painting neem-fs.

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englem mes, and maimed edges fol' holding

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