US1630848A - Wrench - Google Patents

Description

May 31. 1927.

J. HQ lvEY WRENCH Filed March 6.1926

lllllllum mha H Iy IIIIJ grt/manto@ Y V E soY .':Patentecl May 31, 1927.

JOHNV H. rvEY, or `ronca ciTmoKrAHoMA,{Assienon OF cnn-'HALF' 'ro noni; .1.1

` MILn'aEnOF 'roNcA'oITxoxLAHOMAJ 'WRENCH-f1 'Aiipuation medir/laren 6,1926', fseriai'fnb.5192,84?.

' rThis invention relates to improveinents.` in 'wrenches The primary object l.of this invention 1s from the socket thereof, and to cleanse the socket of dirt and other foreign materials.

, A further objectjof. thisinvention isthe provision` of an improved wrench,y of rthe 10 socket' type, having au novel and compact plunger construction associated therewith,

' 20 .Inthe accompanyingdrawing, forming a partk of Vthis specification, and wherein vsimi-- lar `reference characters designate corresponding parts throughout the several views, Fig. 1 is a side elevation, partly in'longij '25 tudinal section, of the improvedwrench .an

h' its nut extracting c'fJnstruction;vr e v Fig. 2 isan enlargededge'elevation of the upper portion of the wrench', showing operating features thereof; and

Figs. Sand 4 are side elevations ofldiifer: ent types ofwrencheswithwhich the im; proved nutv and dirt extractor may loe-asso,- ciated in the relation illustrated yinwFigufl. =[n the drawing,wherein for the purpose 35 ofillustration is shown only a prcferred'ernloodixnent ofthe-nut extractorarrangement as used with wrenches, the'letters A, B, andA C- may designate different types ofwrenches, ywith' which the improved means D may loe used for'the purpose of-forcing'nuts or foreign' accumulations from the socketv of ythe wrench.` ,I 1"' i ,'The wrenches A, B, and() yareof thertype vwhich include, the `preferably `straight elon- 45' gated stock portionlO,- having the enlarged Socket in the lower end thereof, and the prefl eraloly right-angledcrank arm 12 atthe'upper end thereof. yThe socketportionll of thestock 10 isprovided with the nutreceiv- 150, ving Opening '1.22" therein, which is polygonal 4 in cross-section, to suit the nut orgbolthead whichthesarne isto receive, land, this'socket opening 12a is sufficiently deep, inorderto Y plunger- Vconstruction Aquently described. the provision o f a wrench structure emloody-` 5' ing means to facilitatethe extraction of a nut vsageway 16 Yalining axially with thelpassagei- Vwardly` at right `angles v"therefrom, `opposite providing, a hand-engaging loop-which exj f tends at looth sides "of the axis of the'stocklO. ..1

f 2Referr1ng to the plunger construction D"y from the socket'opening V; 12,l the-same iinaccomniodatean extractor ofthe, i'

l), as V,will loe subse- The stock-portionlO is .preferablystraight, f and the samesin the upper end thereof isp'ro` vide-d with a relatively large passageway 14, extending approximately halfway: along fthe stock '10, and having .an openingt 15 fat-its upper end, at the juncture ofthe stock 10, D

with the crank arrn 12. `The lower portion o'f I.

the stock l10.J is'V provided `with areduced pas-A way 14, and at' the junctureof vthe passage# ing shoulderV {17.is provided.

waysl and 15 an annular upwardly fac- Thermal@ or the Wrench Ilaytl.finishedV 1nk any of the; different'ways illustrated in Figsl, 3,*and 4 of thedrawing. For the'ff l old type of wrench the same comprisesanzupi' l wardly-extendinghandle e`xtension'25, at the f free end of the crank arm '12,extending outthe' stock10, 'and havinga `had`+engaging knob 26 atthe free end thereof. i

-Inthe 'for1n.B, the vcrank arm' 12 thereofi's;

provided with the right-angled extension 2 8 at the vfree end thereof,aextending L.opposite frornlthe stock 10, and at thefreetendofthe portion28 ka connecting ar1`n29 is'provi-ded extending parallel with the vcrankwarnfl, 1.2.7 Thea-rin 29 at its free end "hasjajhand-grasping extension 3O,`with` alhand knolo 31there-` on; the `extension 30 alining axially with the. Stockport-ion 10.* f lIn theform of wrench C, which is the T:

shaped type','the crank arm 12'has a hea-'d 35 j l f 'Y 19o thereofwhich isfbentvinthe form' ofg-a/T,

vfor extracting nuts and" foreign materials p 95 cludes a relatively smalll'dianietered plunger rod -36', extendingv longitudinally in Aa' slidvable relation.throughxthe passagewaysv 14 and 16, and at its lower` end having :the f extracting head 13 rigid-therewith,` landslid- 100 4alolylocated in the socket openingf1-2a. :Atvv its upperfend the '.plunger'rod jmayfbe screw-threaded' as at- 40, for detachaloly receivingv an enlarged plungeri'guide -head 42', snugly slidingin theupp'er portion of the105v passageway 114,"and' lexten'ding 'upvvfarolly j'A my i y vso thru theopen end 150i passageway, and projecting-upwardly beyondthe crank arm :12, and `of course outwardly of the stock ated'as edge 43. A compressing spring 44 is placed in the passageway 14 of the stock,F4

resting on thel shoulder 17 at its lowerend,

and Vengaging against :thelowersurfaceie' of the v,guide-portion 42V of theplunger vde- I l lliarfstocli having a socleetfatone endtherjeoi` vifce .atits upper end, andfnormallytending tonr-gethe fplungeifconstruction upwardly `in the passageway of the stock '10, s o'that tlie'iextractor headv 13 is maintained in the upper. portion'oithe socket openingl-Za, as

illustratedi'n Fig.v 1y .of the drawing.- l y f The 1 extractor'l headVV 13 is lpolygonal iin cross-se'ctionj7 snugly fitting for la sliding en gage'inent in the openinglQ,v and when. slid'- l ing -therein'there areno vfree spaces vat the edgesthereof into .which Vdust and acciuinu- .lation may pass, sowthat yit can-be readily understood when thefextractoi" head lis reeiprocaztedin" the opening 12a, all *foreign accumulations, andfnuts or bolt heads may I be fforcedout-Wardly fro-in the open-ing' 12a.V

An operating lever ,50, preferably of sheet metal, is pivotall-y mounted upenthe crank amil-2, remote from therstocl 10. This oper'ating"leve'rg@ is preferab'brbent into Ue shaped-formation, with 'side-'legs 51 disposed at opposite'fsidesfof the crank arnif12`. At

theend ofthe leveri50 adjacentthe handle oil the Wrenchjthelegs-l of. the lever '510 tendsl towards the stock vtroni-its pivoted end, and at its Ifree Veri-'d'.-it"isqfarovidled` with 4 2. isreceived. l'llhesprin-g '44 toices'the f plunger upwardly intorengaglement with the lever 50, atitsend 55, Vand :tor-ces the "lever at its ree'end upwardly, until al rear ledge 56 of the leverabuts against the' top edge of the zcranlrf arm 1Q', to limit 'the'upward movement ofthe crank arm 5()V to divergent vacute angular position Withrespect to thev crankarin `152, and to maintain the spring 44 underan initial compression. l" i to the operation 0f"th`e"Wreneh,-to

'.extractdirt ory a nut, ora bol-theadfrom 1 v the socketfo'peningVY 12a, itis nierelcynecessary for the operatorto press downwardly upon thelever'O, when V4the same grasped in the jhand, v'the lingers of the Vhandengaging about'thewcrank arm` 12, and' uponclosing of y the'hand the=lever5`OiWilll be inovedtovvards the. crank.. arin` 12,; andv consequently lthe plunger guide .portionrfl'forced downwardly,`incid'ent to avlca'm,-engageinein;-with the `lever 50, and' thru'i the plunger rod th'e' f extractor heardfl''Willbeforceddownward- 4ly .or outwardlyztowards' the outer zendY of' the socket opening 12, for extraction purposes, Y

vposition illustrated 'in Ytain the asl can readilyrbe understood. 'llheispring i 44', of course, 'returns theplunlgerfto the j Fig. 1 or"` the drawing.

arrangement lcliparts may be made tothe I. l clain-i:

1. In a Wrench the combination of atnbu- Various changes 'inthe shape, size, Land and a laterally extendingv crank arinat'the opposite yend thereof, aplungerreciprocable in said tubular stockv-h-avingan' vextrruztor at the .end thereof `opposite the socket, and attheyjuncture oi the stock withsaidicrank arm being extended outwardly fof' the stockv and crank; arni,a lever lpivoted on the .crank arm havinga sliding cam engagementjwith V'. Thead operating lin saidsocliet, said-,plunger 'e saidplu'nger'V to cause the plunger'to.'mov-el I longitudinally in the stock and the extractor f head to inove along said socketv npon movement of the lever upon said crankaarine, and,

sv rin means' o` eratiiii-U: on the l'unierznorb inally tending to force the same-"outwardly against said lever andto'maintain'the eX- tractor head retracted atthe inner endoi. said socket, said leverlraving an abutment thereon for engaging'the'cranlrfarm tofliinit the. action offV the spring onthe plungerf'tok maintain said vspring under an-i'nitialjten# said socket'.

the extractor head 'reciprocalolerthrongh` up'perendfof the plunger rod' extending ex'-l teriorly of; therstock atftheen'd oi, the stockY .oppositesai'd socket, spring means inthe Y.

y Y im man immovablerelatronand engagingthe 'tubular stock engaging thestoclr ati-one'r end plunger guide at\the.oppositeJ end and actv ing on the plunger vguide toifore'e vthe c y saine outwardly from its adjacent endfof the'fstocl and to *f maintain the .extractor head retracted in the` inner end fofvsa'idV 1 laterallyv of the stockl at theendot the socket,` a cran'lr arm 'formed won'the" stock f ystock `from which fthe'pliunger guidek extends, l

gagenient at itsffree" end upon said plunger Y guide, said? laterally extending armA havingklever being formed to engage the flaterally lever'res'ponsive to spring;V action'tojmain f v springv under "an: initial compres'- si on..

3. In a -Wrench the combination o a tubu-` lUf) the tubular stock,V "a guide mel'nber Vat the 'g lciprocably mounted in the'passagewayof the tubular body, an extractor head connected withrthe Vplunger and operating in said wrench socket, spring means operating on' the plunger to maintain the extractor head j retracted into 'the inner end of the socket opposite the entrance end, and lever means pivoted on the wrench bodyand operating Von 15g' the plunger to facilitate ,movement rof the extractor head along said socket. n

,4. In a wrench the combination of a tubu` llar stock havinga passageway therealong Vand a nut-receiving socket at an end thereof alining withsaid Vpassageway and provided with an entrance opening yalining with the passageway,'a laterally extending crank arm upon the stock at the end thereof opposite, lthejsocket, a plungerk reciprocable in saidV stock having an extractor head operating in said socket, and hand-engaging-lever means pivoted on the crank arm at one-end'thereof'A vand slidably engaging the plunger at the opposite end vthereof for reciprocating the plunger in the stock. to move the extractor head in said socket. Y 'l n 5. Ina wrench the combination of a tubular stock having a socket at one end thereof and a laterally extending crank arm at the opposite'end thereof remotefrom the socket,

said plunger reciprocable in the tubular,Y

stock having an extractor head operating in said socket', a plunger adjacent the juncture 't of the stock and crankarm extending beyond the crank arm., and a pivoted hand-engaging lever pivoted at one ,end adjacent the v outer end of the crank arm and at its opposite end slidably engaging the plunger2 said lever having a handeengaging portion intermediate its pivoted end and the end which slidably engages the plunger, `means to noral mally elevate the'` lever beyond thecrank arm tofreceive anyoperators hand in a normal grasp of the same'and'the crank arm, Wherei f l 50 be depressed. for causing` a movement ofthe by upon pressure being exerted the leverwill plunger. i

6. Ina wrench the combination of a tubu- `v lar stock portion*- having a .nut-,receiving socket atY an end thereof, -the stock portion having al passageway alining .with said :I`

socket, a plunger slidable in said passageway and extending beyond the tubularstock portionat the opposite end thereof from the socket, aright-angled crank arm connected on the end of the stock portion from which j the plunger extends, an operating hand-engaging'leverpivoted at one end adjacent the v outer end of the crank arm and'at the opposite end slidably engaging the plunger, and spring means normally urging. the

plunger towards the crank-arm and the lever to a Vdivergent relation withY theV crank arm.

7. In a wrenchv the combinationof atubular stock portion having asocket at oneendf thereof and a passageway alining with the socket, a plunger slidable in said passagewayand at the kend oppositethe socket extend-f i ing beyond.- lthe Vtubular stock "portion, aV

right-angledcrank'portion onthe stock por. tionV at the end thereofopposite the socket,

a hand-engaging lever pivoted at one end Y 1 Y adjacent the outer end of thecrank portion,

said lever at thejfree end thereof being substantially U-shapedfin cross-'section and lproviding a'V socket, the upper. end'of'the plungerA ,p which extends 'outwardly 'from the tubular I stockportion being reduced Vand slidably receivedin the socket at thefree end of Vsaid lever, :and 'springmeans operating on the plunger to force the reduced `end -thereof l into.the[socketV of they hand-,engaging lever l l to move'theslatter vinto a .divergentrelation withfrespect to the` crank portion.

Jonnn.. lynx. i

Images