US1186378A - Locking means for control-levers. - Google Patents

Description

A.` CHRISTENSEN O C. OVERGAARD. LOCKING MEANS FOR CONTROL LEVERS. APPUcATmN FILED 001.28, 1915:'

I l ,186,378. Pntvned June 6, 1916.

i of the )eti-oit, in Taneand b te daMiehiwenn 1 "novelli"ntsg` nLoeki gI lileans` for 'onfollowing isl a,

"fr pertainsfto imns` for control not onli,7

` "elytheineehaitcontr ls lslfrel for"operation,

lieflockingrneans that, rfis mo edlby tliefpmper periingfofsa tilever."` licitly, the; locking instiannelr t device neludell erlnutatiou itl eliwndrinally `hen the `Control "normal iositlemyare g i knowicombination release thefholding means' for eleverabu ff'ei saidzlee u ormalppositiolnmincidentalqto` such movement; the permutation nenibers are held against'perniuting tand the aceidental shiftingofqthe `)erlinutation members sering thus against so i that,` the operator` will` e? o setlthe oinbiniti'on lloefofre re- Maly de "atte ofi thisfinven-4 and j shown arnese Fig.M t] the` il'iandle a side ightly different `Specification olf Lettersliateti.

thi 1 would y nertion `with the instrumen is moved `from e applied to.

rrangement ion fof Far lever i LOCKING mANs son CONTROL-Levens.

at-exited June 6, 1916.l

Apiicaiimfnied otober 28,191;` serialNasaaae bodying' the essential features oionr de# l vice. a Fig. G is a detail View ol one of the `permutation disks einlofed in thisI device u showing the `means for changing the combination at will.

Throughout the. following detail descrip- `material whether this lever is used as a brake lever for a vehieleor a (control lever .lor elevatorlioists on yet a (rontrol lever, for the shifting, of, gear `instruirientalities and we do net wish to he confined to any par' tieular al'iplieation of said lever by reasonY A,ot-the "disclosure of ,its embodiment in the draw-n, f.` i i f A The numeral 1 designates/a gever of ,coriventional shape pivotally inointed upohda support 2 lat l,\and havia/in;*operativeeonldilivties whieh'it i controls throughitheeon-neetmg rod il." The i,

lever 1 is provided witli/ a/ldnitudira/lly .movableloekingr id ivh/ieli it its'lowel end l is `bent laterally to form a dog" Gf en# gageable with a lockingbar or segment 7! secured to the support? adjarentto the lever. Thus-far the, lever is ol a convey tional type and it issueh character oflever that theloeking means o" our invention is This locking means consists of a plurality ofpermutation'disks 8 mount` ed in the handle portion of the lever within a recess `9"previded for thatpiirpose. To i enable thedisposition or access tothe parts of this lock, the end of the handle is pro- Avided with a removable cap 10. It will be observed `that the .permutation disks `E Snrround the longitudinally movable rod 5 and `project at one 'Slide froirrthe handle so as `tofenable (the indicia on `the perlpheries of thedisks' to belseen.- Each disk is formed with .an annular channel 1l and 1n addition "with a. transverse slot l2 leading Vfrom said channel. The locking rod 5 ad]acent to the `permutation members/1s provided wlth one' or moreloeking elements orprejectionsl which inthenormalor neutral position of the leve;` l are'disosed-to register wlthtlxeM `respective annular grooves of the permuta- `tion-disks` 8 nder which condition these "lnltemr disks are free to `be rotated as desired, for

roiiibiiiatioii. i i `tion is obtained, or in other words, tliedisks transverseslots 12 register with each other, f *it will be obvious tliat the locking `rod for the lever may be` shifted longitudinally of :said lever.

Assume for the purpose ofthis descrip- `tion that the leve above' described is deiiiembeis kinto operative relation whentlie lever is moved forwardly such that the n mechanism will he driven in one direction, #and movement of the leverl rearwardly will 'shift thegear members `into operative reylationsuch that.` the ineelianisinwill be driven inthe reverse direction, the central `onvertical position of the lever represeiitwing the neutral position. It is in this neutra-l position that it becomes desirable to j lock theilev'er t'roiiiunauthorized movement vvvhichwoiild engage kthe gears and enable "theoperationr of theY mechanism` driven thereby.4 *Therefore the segmentv orilolckv`ingbarl 7' is provided with forwardk and rearward notches 7a `and an intermediate to lioldfthe lever at these difieieiit positions. he notch 7* istoriiied slightly deeper than l tie notches 'i'.a which is an essential `fea?` Q ture in'tliis construction7 for the reason that fwhe'n in the` neutral position ot' the lever f the locking rod will be'movable upwardly Y under rthe actuatioiiiof the spring 14 seated yinftherecess 5) and against. the coller 15 the-.dogeiigages iii either ot'the notrlies,7. r The depth ot the notch 7* is such that itwill '4 provide t'or the" locking elements 13 oii` the f .frod 5. registering with. the annular grooves 711, ot'` the permutation members where/they afwill be free, tol be rotatedas hereinbefore i lmentioned. However, when tliedog (iis iii Vone` ot theiiotelies T* it permits the rod 5 1, to move to sueli a position only where one y of the locking elements 13 will yiiit'ei'eiigage ffbetween the permutation disks arid. iii'the Vtifaiisi'jerse slots 12 thereof so that both of "the/.disks where only two are, employed are i held iii their relative registeringpositions l fa-iid-iiiayr not be disturbed whenr the lever is in any other than its neutral position above i, "iiientioiied. As premised. thisr eliminates `fthe,necessityr of the operator being required v proper (':oiiibiiiatioii kshould they accidenyl0itallybecome shifted' when the lever is in its engaging'position which would be either y forwardly or rearwardly ot' tlieii'ceiitial `point of itsmoveii'i'eiit. As will'lievobservedc .friniFigs 2 and-3 alspringl is disposed il .above the disks 8 and imparts friction-to the purpose of obtaining,r` a predetermined vrelative positioning ot' tlie disks with; re-v )ect/to each 'other constituting a known ll'lien such' known combina-l arein proper registering position where thel signed tor the purpose of shifting gear 'notch 7` in which the dog 6 is `eiigjapgeable.

fronthe rod 5, la greater distance tliaii when f tance to diseiigrage its'iiiterlocking connection `cured, having reference to the indicia on `the vwe claim as new is:

ymo 'able controlling` member, member carried thereby.. permutation nieiiijto; set the zperiiiiitatioii"elena-wits. at their mutation members against permutiiig movesaid disks so that theywill not move too freely.

lnrFig. the lever '1 is'an ordinary brake lever such as used upon motor vehicles. provided witlioiir locking mechanism iii its -handle. 'but eiigagi'ingja slightly dilierent type of segment than shown with respect to the form 'disclosed iii Fig.A l, the segment i being 'provided with `al toothed edge as eustoiiiarv` the notches foi-inliner said teeth in the forward portion,however, being shallower as indicated at 7 i than. the notches at the rearward portion indicated by 7e. In' the usual brake lever of tliistype the foi'- 'ard position istlie release position whereas the rearward rpositionyis the brakel set posi tionand it is inthe brake set .position that the .permutation iiieii'ibers are designed to beopeiablef An additionaly feature of this construction lies in the provision' ol"A one of 85` the permutation"'iiieinbers with a sliittable indicia carrying' element whereby a prede- Iteriiiiiied combinationrepresenting relative rel elsing positions of the disks may be changed when desired. To ,accomplish this object one ot' the permutation disks S, preferably the lower one, is provided with an aiiiiiilai"indicia `carryingr ringr or band 8' which is disposed upon ay reduced end ofi the diskl and designed to have iiitei'loekiiig 95 connection therewith to maintain it in a predetermined position. y To this end one edge. ot' the ring 8 l'is eut iii a zigzag maiiiier f for eoperatioii rwith :i similarly cut shoulder S" on the .'disk. lf for any reason it should be desired to change the combination it is only" necessary tov uiiserew the cil *.10 ot the handle ot' tlie'levei l which will.

release the periiiulation members and enable` tlie ring S to'y be droppedni sutlieieiit dis- `with' its caiizv'iiner member and by shifting said riiigxslig'litly aiid rengag'iiig it iiipositioir a ('litl'ereiit roiilibiiiatioii may be secoperatiiigi,r upper disk.l yThe cap 10, it will vhe obvious, holds the ring,r 8 inposition when it is"screwd down upon tlie'handle as shown 1n Fig. 2.

Haviiir thus described oiii'inveiition, what 1. In a device ofy they classfdescribed aa locking.,r

hers keopeiatiiig with the locking member to control ope ation thereof, 'and means eo-r acting: with',v the loe-king member for inain' taining the coiitri'illiiugr member iii a predeteriuiied position and t'or holding the pei'- j ment a't'ter movementy ot` 'the controlling iii`eiiil'ier aforesaid.

Qyln 'coiiibinatioii, a lever, a.' locking` member carried byV said lever, means eu- `gagea'ble thereby for 'holding the leverat lief5lokingr` memberl and permit `engaging,:andl disengag oekingfiembex `with respect i, to

ea svvvhenjyset; `1n fr predeter- "n andayfmeansfon lie looking erativewvfvitlithe I allyipreventfm "ement'of y mber :While@allowing` free n "o the permutation members, `saidk' tbefpermuteton l time remufinglimov# tbe` lever isdisengaged i tiiej. class described; `a

mehism dapted t 9km mmbsrgcoperatins means entregeniale` bywsaid *foriholdns th' lever at ions,` and permutation *means ment lof" the l loeking;` h respectyt y the last-linens '1 defining meanssbeine farm mit move e elative l" i to the "permutation mean'sfintermediatef they; lockf. i i d* the permutation member `to;` erm'` movement et the :permuenfib"y oniyV when tlilef lever `is* in l @a "Safer,operating mcheu y Cllilmg fwfmovalole member fioekn elementl'for" holdingisaid member (it, ad-v longitudinali embers n- Vthe leve leoperad5: tiringelemeritf on` the i. permitting; "free rotation of members i when `tbe `lever `is ifiOfVlble?` to ermutation H' a predetcrnnnedi rel tive permutat nineinbers co;- I

orientation tation members cooperating," dierewlth "7. ln combination, a lever` :i locking; rod `.for holding tbe lever' :it adjusted positions.

`and movable longitudinally of tbe lever,

permutation members on vthe lever-coperative with tbe, rod, :i locking element "n1,l lie rod normally permittingY Afreey rotation*blt the permutation membersi when tbe.' lever is in`one position, said rod. beingr niiivable. to release tbey lever lwhen tbe permutation members are in `a predetermined relative -position, andmeans for holding? the rod -withqthe loekingeleinent interengaging the vpermutation meinbersiwhereby to `prevent their' relative movementi said means con stituting the holding means for holding the level' at fadj usted position.

A controlling lever, a supportthereF for, a looking member for holding the lever `at iuljusted positions sliiftable longitudinally oflsaid lover, permutation' members surrounding the lockingr niember and pro- `videdwitli annular`elianiiels,`\said members having transverse grooves coaoting'witb the `cbani'ielsand adapted for registry, a, locking projection on said locking` member normallydisposed in registration with the annular-*groove of one of `said permutati lOII members, and movable upon registration of Athe transverse groovesofisald permutation members luto position interengaging tbe permutation members whereby to prevent relative movement thereof.

9. A lever for i controlling mechanism adapted to be operated, a locking` member 'coperating with said lever, asegmet engageable by tbe-locking member and baving. notches of .different depths to receive the locking member, a `permutation member on said lever, and looking means inter-fv mediate'tbe permutation member and the "lever, the notch engageable by the locking member first mentioned in normal positi of the lever being relatively deep to permit sueh`movement of said locking member to free the permutation member of the loekim.,` means, and the other notch `or notches .being relatively sballower to bring the locknormal position.

ing meansa into engagement with the per imitation *member .when the level' 1s `ont of` '10. ln permutation lockingmeans ofthe class described, .a permutation disk adapted an indicia bearing ring 'carried by the disk and having an edge formed with peripheral loekingelements, `the disk being provided `with corresponding locking i elements arranged in the same plane and normally in terengaging i with i those of the ring, said ring being' displaceable from the disk to effeet tlieebange of `the locking elementsand` incidentally a changent the combination. i

ll. ln amidevieekoftlreielass described, tlie eombinatiim of a locking element, permules i for disposition 1n a'ipl-edetermjned position,

Control the same., f means on said permuta- Iai'minembl s foi'` indicating a predetermined: relatixfe tl/easing' the flocking element, `an ,indicia'' -tionmembers having interlocking conne@-y positioning' offsaidV members for @oa/ryingfmember, on one of said permuta-` -b tion v'with "its vcarrying# member, Said indicia.

yA'caryingmember being removable'to sliifiil` ys 'aidinterlocking connctlonf'whereby to ef-l Yfeci', a change of combination, and means 10 normally holding the disks `in coperative relation and the indicia carryingmember'in engaging position on :itspermutation memtures. L; U v

j ALFRED ,CHRISTE'NSEN` CHRISTK K'GVEKRGAVARD.

In testimony'whe'reof Vwe'alx" our signa- 15-

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