US1134678A - Stop-cock. - Google Patents

Description

vM. s. HOLLIS.

STOP COCK.

APPLICATION FILED must. 19 13.

Patented Apr. 6, 1 915.

6 m w $2 mu 3H 8 0 aw Mn 5 M M m THE nokRls PETERS CO. FHOVTD-LITHO" WASHINGTUN, D. C.

or element 26. This element is in the form :1- of a rod which is adapted tomovelength 'Wise of the stem 20. Thedevice 26 is some- What longer than the stem 20 ofthe operati.

Zing device 21 and at one'endis provided ,ivvith a knob 27 and its other" end; ith an enlarged header flange'28. The device26 is adapted to move freely Within the stem 20 i of the operatingdQYiC and being longer :"than said device, any other object which might "contact With 'the deviceill and cause i an accidental movement thereof, vvill naturally first engagethe device 26an'd shiftthe 7 same so that it will be less. likely that the ldevice Ql Will beat all disturbed,

i The head. portion 23 of the device-21 is 7 'provided on the underside {thereof with ar plurality of teeth' 29, which are adaptedto enter spaces between the teeth30 on the lower part of the chamber or opening 18,

, thus hen the operating device is in the po sitionshown in Fig. 1, the teeth 29 of said deviceivillengage the teeth 30of the sleeve r 16; thus preventing any rotary movement Whatever ofthe device 21 until the samejisi forced aWay' fromysaid device. toward the;

plug. By this meansthe operating device is by a stop c ock'maybe prevented from being accidentallyoperated; that simple means is (provided V whereby the valve or plugmemj ber may be readily operated; that said cock is simple in constructionand adds very' little if'any additional cost to the ordinary form V I of device of this kindga nd that said device iseifectivei in useandservesto avoid the liability to accidents by the accidental turn ing on ofithe' gas or any other medium to be 'controlled. i

Having" thus described my invention, I

. k lairn'as nevi and desire to secure by Letters" QPatentP a 1 a 1 LA device oflthe character described,

'comprisinga casing, a valve :plng 'forscontrolling the medium passing through said casing, a gi'avi ty rotaryoperatingdevice for the plug adapted tobe moved'therefrom, J and a slidable rod mounted axially of the. j valve andsomeW-hat longer than theloperat- {the same. A

5. I stopcock, the combination of .ai 'casing, valve member arranged ringsaid pted to control themedinm passing thereth'rough' and havingan elon-j gated projection at onejend, a sleeve, a rothan the rotary devi ing device and'freely slidable therein and having one end normally projecting beyond said operating device.

to engage the 'p jection' to rotate the 'same and adapted to move therefrom by gravity; and a rod somewhat longer 1 than the rotary device and-having one end normally projecta v ingbeyo'nd the operating device-andadapted to'engage a partQof the plug if moved I lengthwise of the operating device.

3. In a stop cock, the

ated; pro n at one end, a sleeve,fa-ir -y d vice ;adaptedlto rotate the valve I mber, and aslidablelrod mounted axially 3 of the valve and, somevvhat longer than the rotary device and having one end a normally irojectingbeyond' the rotary device a In-a stop co k; the combinati'o casing; a valve member arranged in said casing and adapted. to control the medium passing' therethrough andchaving an, elon '7 gated projection at one ienafa' sleeve-, a

wry :dev ice having a part pro ectmg beyondl;

the sleeve to rotatelsaid'valve 'member fand slidablemeans mounted axially of the valve" p and. ffeely'slidable"inqthe rotary device and, somewhat longer than the rotaryv device "and 7 part normally projecting beyond by having a.

casing and a taryj device passing thfoagh the sleeve and :having' auslotted- 'endadapted to engage the projection to rotatethel valve member anid" .a slidable rod momited'aXia-lly of the valve and freely slidable inland somewhat longer having one efnd normally project eyondi theYsamei; f

This V specification signe this 29th day of January 1918 NVitnesses; if

' OgBAmaLs;

' LnsTER Tindn.

Copiesbf this patent may be obtained for five cents each, by addressing the 'lCo mfiiis sioner:of "Patents f WashingtomD. 0.

2. In astop. cock, thecombination of a I casing, a valve member arrangedinsaid cas-q 'ing and adapted to control themedium passingtherethrough and having an'elongated projection at oneend, sleeve havingjapon' tion thereof forming'an annular chamber, a}, rotary'device haying-a slotted end adapted c mbinati n of a} casing, valve. memberlarranged .in said 1 casing and adapted to controltheinedium passing th rethrough and "having an elon witnessed V IL-Es S;fH' Lilis';

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