US1987017A - Adjustable template for bent valve stems - Google Patents

Description

Jan. 8, 1935. L. M. LITTLEFIELD ADJUSTABLE TEMPLATE FOR BENT VALVE STEMS Filed Sept. 29, 1952 Ema-KR Q R 28 S w INVENTOR Patented Jan. 8, 1935 Anmswmmiemmme i on STEMS" Ghicopee Falls, Mass., assignor; to; A'. Schraders Son,

l Incorporated;

Brooklyn, N. Y., a. corporation ofNcw York Application September 29, 1932, Serial No; @Efih 5" for replacement; urposes.

Convertible tire valve stems are made in van- 0115 standard lengths" and are adapted to be piovided with either a. single or acaubletend depending uponthe typew eei upon which the tire eq ipped with su h valve Stemis' to be mounted. Whefe the valve stem is liiovidd with a doulile bend, the bend. nearest the base of, foot portion isiisually ai'ibro'xir'tiately a right angle, whereasbe of any angie up to bums usiiany either 3 0 01' 45. The length or the aim ei s'ctiri of the, valve stem between the two/bends, aswu as t e be chose-r1 to meet any particular" requirements. where tires length of the inflating end arm are supplied on cars, as, original equipment, off course, the valve stems will be can either by the manufacture thereof. Orb'y the tirefna'ker. 1:

tires areto be' reblaced inthefild at service stations, the;cp'nvertiblivalve with which a; n inner tubei isjfitted must be Bent to desired shape,

andfor purpose. suitablevalve. tendjii i jtqq 7 Weedsgl tables of the use of which.

service:-s' atien operafives. According; to pres'e' ,i teatime. all cor "t'o eroper; SHIfi.

whicirwiirte better i v description, which follows], when; considereddn 'ihe terfiplate'or gauge consists of ciated,menibersdesignatedhy the refeifi charactefsAt'Bahd e, which may be formed from t naivehtics'iiv 'i fir'dtid At the left: han'd: end of the -member B it is.pro-..

r'. settings. to

decimal e t ce mine-,- ,seem were; which can be stamped. or molded into; proper;- form As: herein ShQWQQ the; memherfo is? in the? m o an.el n e ;.sl bSi i f e y fl il menti in the extreme left. hand: columnyrepresent: four;

standard sizes; of convertible; valvestems and the numhersin the horizontal rowsopposite each: of the vaforementionednumbers; the vertical; column representpoints on avalve bending-tool: at which an adjustable putment may bezset; toengage the valyeinfiating end ot the valve stem; to I e; peiit; and: thereb ov rn th poi t n said valve steinat which the bend? between the inflating endarm; .andthe intermediate armof' aw double hent. valve isto-b'e made. a

, The; member 13- ismounted toj sliderubonrthefl member A and gis provided: with. pins 11' which extend throughmh'egslot a for-guiding \said n'iexn; her in its sliding movements-.- Toi additionally: guide saidmembers; and; render the: device: more sturdy; a; longitudinal flange b: which. extends fromtthe topedgeo f the member 13 fon'aagreater portion; of; its length; hearsnpoh: the: top; edge:- a? ofthe mBlIlbeljgAl Thegfiang'e' bi? terminates somewhat inwardly from the right handyndiot the member B as shown in the drawing; tuna purpose; which" be pmsentlv made-,1 apparent. l

vided with as pointer 12 for cooperation withtithe'v indici Q39, and' to facilitate and. render all: of: said indiciai visible for: all settingssof'the device; the lower leftha-ndyedge ofithe memberrB' is cut' away orcham fered Qff assh0wn 'atvb3; At its right hand end;,the face of. the; member B'zcare ries v alphabetical; indicia b arrangedz'in; concene tric arcs for the purpose of compactnessiw said; indicia; being for the; purpose: of v indicating-the 45 setting on the; valve bendingtool' of theianglef of:: the e o tech er-mes; la e csmv ir l valv Sfifii W n bing end; a m? a w e ififi ifiiedi'atez-arm, of d a double ,bent. valve ste;n.;,

' h emb r o i i ete l i lentedl p em member B at the upper right hand qgrneirth o through the .med iun .of a pivot pin; 0, provided with suitable" tehsiohii gi, means for holdingthe; s in any adjustedipositionto' whichvth "ma I "memheiiqat ber C is provided with and be c whichterfiii:

\ stem} will indicate the setting on the valve tool necessary to produce a "valve stem with armsnates in spaced relation to the pivotal axis of said member, and the latter on its front face is provided with a measuring scale 0 for directly indicating the length of the inflating ,end arm of the valve stem to be replaced.

In the use and operation of my template and, au the manner f d p c ti sa bent valve, stem in the field from a .convertiblevalve "stem" with which the inner tube is normally equipped,"

is as follows:

Let us assume that the double bent valve stem D attached to an inner tube 11 which has been rendered useless is to be replacedat a service station in the field. The "service station operative, in order to determine valvestemarms d and d andthe location of the point d at which the bend is to be made inthevalve stem,-as-well as the angle of said bend; applies thetemplate to the valve stem by having the flange or abutment a engage against the flat side of the valve stem arm d, the flange b engage over the arm d, and the flange c engage over the arm d -after which'the member'Bis moved to the right until the end of the flange ,b abuts against the valve stem within the bight of the ,bend dtherein. The indicator b will thereupon be found to point to one of the-vertical columns of the indicia a and the particular number in said column in the horizontal row corresponding to the size of the valve equivalent to d and d p-The indicationof the pointerc' upon the alphabetical indicia b informs the operative as to the setting to be made on the bending toolfor reproducing a bend in the valve stem corresponding; to that in; the one which is to be replaced; bending tool settings forduplicating a size 76 ,1 convertible .valve stem are-13- and I;' fora number 7'7 valve stem 18 and I and for a number 78 .valve stem'26 and I. The indicia 0 directly indicates the length of 'the arm d of the valvestem. This latter reading, however, is not so important, since the indicia a indirectlydetermines thisvfact by indicating the size ofvalve stem'to be used and the distance between the bend d. and they substantially right angular bend d .l I

. The device is exceedinglysimple in' construc tion, can be cheaply and accurately manufactured, and its manner of use-can be quickly imparted to any unskilled operative in a service station, thereby obviating-improper bending of convertible valve stems in the field with the attendant annoyance and inconvenience resulting therefrom, not to mention the intrinsic loss due to rendering valueless valve stems which are improperly bent at the hands of an'inexperienced operative. l

The invention, it isto be understood, is susceptible of modiflcation'and I therefore-do-not wish to be limited to the details'of construction herein disclosed, as the same may 'be varied within the range of mechanical skill-without departing'from the spirit of the invention.

What I claim is;

1. A device of the character described, comprising three relatively movable members for simultaneously engaging the three arms of a douand cooperating means ble bent tire valve stem, on two of said members for indicating'the angularity of the bend nearer'the inflating end ofthe stem and means .for indicating the distance of saidbend from said end. I V r the length of the l Thus in Fig. 3, .the'

the" arms of a double bent valve stem, cooperatingmeans on said first two membersfor indicatingthe'lengthof the intermediate arm of the valve stem, and cooperating means on the third member and one of the other two members for indicatingthe angularity of the bend of the valve stem near theinflating end of the stem.

3. A device of the character described, comprising a pair of members which are slidable relatively to each other, and a third member which is pivotally connected to one of the first two members, abutments .on'. said first mentioned members for engagingthe' jend arms' fof a double bent valve stem, cooperating 'meansonfsaid first two members for indicating the length of the intermediate arm of the valvestem, an abutment on the third member for engaging the inflating end arm of the valve stem, and cooperating means on thethird member and one of the other members forindicating the angularity of the bend of the valve'stem nearfthe inflating endof the stern.

j 4. A device of the character described, com-i said members for engaging the footportion end arm of a double bent valve stem, an abutment on the other member adaptedfto engage in the bight of the bend between" the inflating end arm and the intermediate arm of the valve stem, and cooperating means on saidmembers for indicate ing the setting to be made on: a valve bending tool for governing thepoint at whichfthe bend in the valve stem between the inflating end arm and the intermediate, armis to be'made 5.,A device; of the character described, I comprising a member having indiciathereonarranged in a plurality ofrows, a second member mounted to slide in guided relation on the firstmember and having indicating means movable withrelation to theindicia on the first member, means on said members for engaging the end arms of a double bent tire valve stem to bring the indicating, means into cooperative relation with the indicia, a'third member pivotally connected'to the second'member and having means for engaging the, inflating endarm the engaging means on the first and second members are in .engagementwith said stem, and cooperating means on said second and third members for indicating the an gularityr of the bend the inflating end arm bending tool and governing the length of the intermediate arm of the valve stem to be bent, and;

cooperating means upon the third. member and one of the other members for indicating the setting to be made on the aforementioned valve bending tool and governing the angularity of the bend of the valve I m nearer the inflating end of the stem, w v I I abutment on :one of of the valve stem while-

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