US1918411A - Automobile door handle - Google Patents

Description

July 18, 1933. c. B. LOWE AUTOMOBILE DOOR HANDLE Original Filed Aug-1'6, 1928 2 Sheets-Sheet 2 .IIWIWAIII II I IIIII CZarZes 3 Z va /21 ATTORNEY-5' 7 connecting member 12 is v pearance, is secured screws 24,"a'nd isvprovided with a-central portion extendingoutwardly from the door 9 a sufiicient distance to permit the insertion-of -ity i of the cylinder spacer sleeve 22, also derl3 between the v bly, while the' outer extremity of thecylinder '13 is formed with radial lugs 14 for securing the cylinder to the knob or lever portion 1 5 of the door portionof the door handle. This lever suitable construction and only so much i V thereof as is needed to show the positioning 2 of the cylinder illustrated herein. 'Within the outer portion of the cylinder 13 is adaptedto be mounted a 13 and its associated parts is key-controlled tumbler lock 16,'the rotatable portion 16 of which carriesa pin 17 adapted to extend within acam slot 18 inthe connectingmember12, andthe rotatable portion 16 is of lesser diameter than the barrel 16 of the tumbler-lock to provide asupport'for the connecting member and space. for the radial extension of the pin 17 between the periphery of therotating portion16 ofthe lock and Iwall of the cylinder I V 13. Betweenth'e shoulder formed :by. the larger barrel portion 16 of i the lock) and the outer extremity of the spring 19 to normally force the-connecting member '12 toward the inner extremityof the cylinder 13 and into engagement with the:

slotted rounded extremity 9 of-the lock shaft 8. The connecting member 12 is bestshown portion in'the wall of which extending pin 20. The

over thereduced por- (note Figure 2) The slots '21 are preferably arranged longitudinallyof the cylinder 13 andthe-pin 20isgu1ded by the'walls of 'the-slots'2l' during the sliding movements of the connecting member 12 while serving to prevent rotation of the con- '1 1ecting member except with the. cylinder 13 t and attached*portions of the door-handle.

An escutche'on 23, preferably of ornate apupon the door 5, as by the" pin 20 through the'slots 21 and aperture inthe connecting member 12 after the escutche'on has been placed over the inner extrem- 13 (note Figure 2). A

preferably of ornate appearance, is arranged; to surround the cylinsleeveon the escutcheon;

. In assemblingmy improved doorhandle,

65 the cylinder 13 and spaceifsleeve 22 are sehandle may be of any.

such position any suitable manner so that will rotate with the cylinder 13.1

cutcheon 23 ist-hen brought over the rear extremity of the cylinder 13 until it engages arranged: a coiled,

and v5,"with the. pin 17- lever portion 15 ofthew 7 handle and the escutcheon 23, the'contacting portions ofthe spacer sleeve and escutcheon being shaped to provide ready rotation of the,

lock-shaft 8 is cured to the lever portion 15 of the door handle in any lock shaft 8 through an aperture in the lever portion 15 of the handle and permitted to pass through desired manner, after which the is introduced into the cylinder13 the cylinder until the rounded portion 9 of the Y shaft engages the inturned rear extremity of the cylinder. The shaft is then secured'ln example, asplit washer 25 extending into a circularslot 26 formed in the shaft directly beyond-the rear extremity of the'cylinder .13

The spring 19 and connecting member 12 (except for its pin 20) portion 16 of the K (note'Figures 1 and 2).

are slid over the reduced tumbler lock -16 and; the pin '17- inserted through the cam slot18 of theconnecting therefor in the member into theaperturelT reduced portion of the lock, (note Figure 7).

The-tumbler lock 16 and associated parts are then inserted into the-forward extremity of the; cylinder 13 and firmly' the tumbler lock the rear extremity of" the spacer sleeve22,

after which the pin 20 is inserted through the connecting member 12 so. that its extremities engage the'walls of the laligned slots 7 21 in the'cylinder 13-.-

light spring 27 .is then passed over the rear extremityof the cylinder- 13 into engagement. -with. theescutcheon 23 The fes by. any suitable means, as for and secured in place by a lock washer 28 or other suitable'means. The lock washer 28 is shaped so that it can move over the cylinder 13 in onedirection, but cannot move in the reverse direction and servesto bind all of the connected location. v ly, however, beyond the lock washer 28 .and theescutcheon 23 so that it parts against; accidental dis- The-cylinder 13 extends rearwarde.

and the lo'ck'f shaft 8 will passfthrough the aperture? in. 1

the door when the doonhandle is secured upon the door (note Figures 1 and The door handle assembly so far described 'isr packedfand a shownin Figure 6, and can be shipped inany suitable manner.;

When it is desired tosecure the door: han

dle upon vehicle door itais only necessary to insert the lock shaft 8 and rear extremity of l the cylinder 13 through the aperture? in the door and then secure the lock shaft with-.

[11 the control element for the movement-of Y the lock: bolt. S aperture 7 of the door bringstheescutcheon 23 into engagement with the outer face of the metallic cover plate 6, a-nd it isfixed in such position by 'uch insertion within. the

the screws 24. Thefd'oor handle and associated parts-arenow'firmlv secured upon sthe' door so thatthe handle can rotate but cannot be removed longitudi- 1 nally to extricate it from the door until the the control element .ofthe door-lockt Re freed from engagement with. .135;

of the door handle of'the inner-extremity of they slot 10 because of the pressure exerted on'fthe' of the malicious or mischievious person even though in such position the door moval of the screws 24 from the escutcheon plate will not-suffice to permit withdrawal fromthe door lock, and the positioning cylinder 13 and shaft 8 within the aperture 7 door places it beyond the reach of athe escutcheonibe completely. removednt;

In use, into and out of engagement 1 with the lock shaft 8'by rotating the key-controlled' tum bler lock 16 as desired. .When :in' its driving lug 11 of the connecting vmemberlis 19 into the cross:

slot in the "rounded portion 9"0fji3l16l00k" shaft. In such position, rotation of the lever" locked position, as shown in Figure 5;:

pressed by the coiledspring portion of the door handle to'open or close the door willsimultaneously rotate the lock shaft 8, an'dthrough it move as desired. In its-locked position, asishown in Figures 1 and 2, thelu y necting member 12 is completely withdrawn from the crossslot 10 of the lock shaft, and

rotatable without serving to move the lock shaft 8, the cylinder 13 and associated parts so its unlocked position, as

locked position: as accomplished 'bler lock 16 relatively This rotary movement ofthe tumblerlock 16 serves to swing the duced portion 16 of the tion 1'? of'the tumbler loc mere releasing rotating on the rounded, portion 9 of the lock shaft and within movement of the connecting member from shown in Figure 5, to its withdrawn or shown in Figures 1 and 2, is by partially rotating'the key-controlled tumto, the cylinder13.

pin 17 fixed in the retumbler lock, and since the inclinedrear wall of' the cam slot 18 of the 'conn'ectingmember ismaintained in:

contact with the pin 17 through thepres sure exerted by the coil spring 19, such movement of the pin connecting member 12 alon nect the door handle with the lock shaft it is only necessary to rotate in the reverse direction, thereby movingthe pin '17 into the wider portionoftheslot18,

and permitting the spring 19 toslide the ber 12 toward the lockshafti the door handle may "have i and change within the spirit subjoined claims;

connecting mem Since, however, been'rotated to any angle while disconnected from the lock shaft, it -is possiblethat'the of the connecting memberj 12 by so rotating the tumbler lock willnotsuffice to permit the lug 11 of'the connecting member. to enter theislot 10 in the lockshaft If the lug and'slot are not in correct alignc? ment the rear face of the lug 11 will engage the front faceof the lock Shaft, and it, will be "necessaryto rotate the handle until the lug 11 aligns v llock.v shaft, the adjacent extremities connecting member and lock shaft being pr g with the slot '10, whereupon it snaps into the the connecting member 12. is vslid each; other "by :1809

the lock bolt- 11 of the con handle is fin y v1.

the escutcheon 23.. The

, upon the snugly en aging 17. 111 serve to slide the D the reduced per- To again eonthe tumbler lock 16' the: rounded portion ;9 of

connecting member by the coil spring- Theidesired' rotation of "the tumbler'rlockdfi 1 r 7 through the instrumentality of its key isinot' interfered with, however, regardless of; the

angle in which the handle 'may stand when j the lock is rotated, the widened portionio'f the theip'inv 17' to rotate camwslot 18 permitting while'theconnectingmember12is held from 1 rounded portion'9' ofthe-shafti} Itwillbe i noted that if the slot 1 10 were arranged with .its median line co-incident' with the axis or could snap therein 'at- .1' a 1 f-t e e qor handle; these -positions 'being ,separatedfrom' y g g ;-Since, however, lit is 1 usual'toform the-leverportion15'of avehicle V i the "shaft 8, the lug 11' two positions inthe door handle with a com aratively "long arm and a comparatively short, arm, 'this'iwould resultjin the-connecting of the handle with thelong arm 1 facing either the front'or-"rear of the car and' the door handles on adjacent" might-not always have their long armsexa V 1 tending in the same I v entrance oflthe lugfll intotheslot1O of'the I the door shaft with direction; Toinsure the doors of the can lock shaft'8 only when the long armsjof the 1 t door handles are extending rection,'I have ofiset the cross slot: 10 and lug 11 with relation to the longitudinal axis of thelock shaft and" door handle, enabling the-entrance of the lug into the slot'ionly. in one positionduring the'rotation of the door handle; 5 M From Figure 2 it will 11 is s nugly 7 portion is possiblefor the lug 11 to in the desireddi-i I 1 I 1' V 95, be noted that the lug 1* fitted within'the'slot 10 while the p n 17 is clear of the rear wall of the wider slot 11 afterlong usagehas effectedl'wear,

theslot and lag re pee l Preventing a loose fit ofthe lug within the'slot with COIL, sequent rattlmg during vibrations ,of' the vehicle.

While a. will tion' is susceptiblefto variation, modification 'WhatI claim is: r i

and" scope of the taperedlsides of I a apparentijth'at the musltrated embodiment of'my invention herein disclosed is well calculated to adequately 1 I V T be understood thatthe invenr f 1. In combination with a door 'lock, alock M shaft securedladj acent one extremityito-thef movable portion of the door cylinder, a rotatable lock barrel mounted pa r- V I lock,,a -rotatable' r y 7 door handle including an elongated"hollow} i the other with a reber being also formed with circumferentially, spaced portions, a pin extending from the lock-barrel into the cam slot, and a spring arranged within the cylinder to press the. connecting member toward the; lock shaft whenever the pin isin a-wide portion'of the cam slot where? y' variations in the extent of entrance of the interfitting lu'g and slot" may be secured.

2.. In combination with a door lookg'aflock shaft secured adjacent one extrer'nityto. the

movable portion tially within the cylinder, a connecting member movable within the cylinder into and out: of engagement with the freeeXt-remity of-the' H of, the door lock, a rotatable 'doorhandleincluding an elongated hollow cylinder, a rotatable lock barrelmounted parlock shaft, the adjacent iex'tremitie's' ofthe shaft'being proconneoting member and look other with a re-V vided one with alng and the recess adapted to interfit, the connecting member being also formed with acam slot having .wide and narrow portions, a pin extending from the lock barrel into the cam.

slot, and a spring arrangedwithin the'cylin I der to press the. connecting member toward the'lock shaft Whenever the plnr-isina wide portion'of the cain slot wherebyvariations in the extent of entrance ofthe interfitting lug and slot may be secured, said int'erfitting lug andslotbeing provided with spaced straight to; permit engagement and tapered side walls members of the side Walls oftheinterfitting ahead ofengagement of the end 'facesthereofi,

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