US1778092A - Valve - Google Patents

Description

1930. 2. 0. TALLMAN I Q 78,092

VALVE Filed June 8, 1926 1/ a ,I A p H g- 5- '92 a a; w- INVENTOR.

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" .125 reached.

Patented Oct. 14-, 1930 UNITED STA ES PATENT i OFFICE D.-TALLMAN, OF OAKLAND, CALIIORNIA VALVE Application filed June 8,

and then to embed this piping system in earth and concrete in order to make the device fire-proof; f-iNhen a valve in the piping system needs changing or'repairing due to its 15 wearing out or becoming pitted or clogged with foreign matter, it is necessary to chip away the cement and remove the earth down to the positionwhere the valve is placed, before the latter can he removed. The storage tanks-are placed quite a distance below the 4 surface of the ground and since the Valve is placed adj acentto the storage tank it is necessaryto-d'ig down a considerable distance in the cement and earth before the valve can be This operation requires a great amount of labor which is'expensive and also ,inecessitates the tearing outo'f a portion of the cement from time to time in order to replace new valves for worn out ones, or re- 20 pair the old ones. I 7

An object of my invention is to provide a valve construction for measuring pumps and gasoline piping" systems in which the entire valve mechanism may be l" moved and anew mechanism be replaced for the old one, with- .and excavatingdown to the valve casing.

A further object of myinvention is to provide a device of the type described whichis extremely simple in construction and which provides novel meanswhereby a valve may be readily removed, even though this valve is disposed a considerable distance beneath the surface of the ground. V i

Other objects and advantages will appear in thefollowing specification, and the novel features of the invention will be particularly] "pointed out inthe appended claim. 7 I, My lnvention is illustrated in the accompanying drawmgformmg a part of due apout the necessity of chipping away the cement 1926. Serial No. 114,396.

plication in which Figure 1 is a diagrammatic view a'gasoline station; a

Figure 2 is a vertical section through the valve mechanism, v

Figure 3 is a section along the line 3-3 of Figure 2, I

Figure 4 is a section along. the line 4-4 of Figure 2, and a Figure 5 a sectional view of a wrench employed with the device.

-In carryingoutlmy invention I make use of a gasoline station, which comprises a storage tank lfor gasoline, an inlet pipe 2, an outlet pipe 3, a vent or breather pipe 4 and a. gasoline pump 5. These parts are standard construction and form no part of my invention except insofar asthey cooperate with theparts now to'be described. *.It will b'enoted from'Figure 1 that the I outletspipe. 3 is connected to a valve casing or body 6, the casing in turn being connected to a pipe 7 that extends into the tank 1. WVhen the pump is actuated it will suck gasoline up through the pipe 7, through the-valve casing 6,-the outlet pipe 3, and; to the pump 5.

i In Figure 2 I show the special construction of thevalve easing or body 6 and the parts riedby the casing. It willrbe noted from 'iigill't; that the casing-6 is threaded at 8 for receiving; the upper end of the ipe 7 '3 also threaded at 9 for receiving the The openings 8 and 9 commimicate th each other and are controlledby a valve lO 'which is "threaded into the casing; 6 atll. Figures 2 and 4clearlyshow how the valve 10 is provided with a non circular portion 12 for the purpose hereinafter described, this portion having openings 13 therein 'andhaving an openftop 14 forpermittinggasoline to flow therethrough. The valve lOicarries a pin 15 forthe purposes hereinafterv described, and is provided with a valve seat l6' upon which. valve plunger or disc 17 adapted to'res't by gravity. Aspider 18guides the valve plunger 17 in it's'movement. l Di ectly'above the valve 101 dispose'a can '19, this caphaving anon-circular portion 2.) of'the same size and; shape asthe portion 12. The. cap 19 h'asEa recess QLthis recess receiving a'; pin 22, simila'r toythexpinsl5. Thef'cap ll?! ill.)

may be readily understood. In the present form of the device I haveshownthe pipe 25 as being disposed adjacent to, and jijarallelf withgthe pipe 2. The tops ofthese pipes-are normally sealed or coveredby a cover plate The station with my special type of valve construction will function in the samemanner as a standard station. That is, the cap 28 may-be removed from-the pipe 2 when it is desired to fill the tank 1 with gasoline. The cap 28is.ncrmallylocked tothe pipe 2 and can only be opened wheuone has thenecessary key" The gasoline'is Withdrawn from'the tank .1 ybyzmeansof the operator actuating the.pump5.whichimay either'be hand opera .ated or motorxoperated. The gasoline in flowing through the pipe 3 raisesthe valve plunge r17 ofiffromitsseat 716. As soon, how'- ever, as the required amount of. gasoline is withdrawn from the tank, .the valve plunger 17 willagain seatby gravity. .The breather or vent pipe 4eisimerelyzprovided for permit. ting air tofill the portionof the tank lthatis not occupied Thy the -gasoline, 'or liquid in said tank. =1

1 Assume now, that the valvelO is in need of repair. Instead of-chipping away the cement 219 down to the valve casing 6, it ismerely necessary to first remove the cover plate 27 and the cap 26. The cap 19 and the valve 10 are now removed by means of theispecial wrench '30 shown in Figure 5. I

:.-1This wrench has a hand1e'31' long enough to permit the operator to lower zthe socket32 ofthefwrench down to the cap 19 and then down to the valve 10.. The scket-32=has a non-circular recess 33 for receiving the noncircular portions 1'12 and 20 0f the'va-lve and the cap 19 respectively. Spring clips 34:

are carried by t-he'wrench 30 and extend a slight distance intothe recess 33. 1

The operator first removes thecap 19 and i I" in doing so disposes the socket 32 over the non-circular portionQO; :In doing this the clipsBt receiveithe pin 22. A rota-tiv'e move 'mentv-ofithe'handle 3lfor unscrewing the cap 19 willrelease the cap fromthe casing 6. The

same manner as the cap 19 was removed. The valve 10 may now be reground or repaired if desired, or a new one may be substituted for the old one.

The new valve 10 and the cap 19 are replaced by the same wrench 30 that removed them. The spring clips 34am merely strong enough to lift the weight of the cap 19 oi the Valve 10 and therefore will release the wrench from these members when the mem hers-have been tightly screwed: back into place. I

The pin not only provides means by which the valve casing may be removed, but alsoacts as a stop member for the valve. The shoulder 11" acts as a guide forthe valve casing when the latter is being assembled.

,I cl im:

flfhe combination of a valve comprising a casing, internally screw-threaded at its re- V spective ends, a closure cap in screw-threaded engagement with one end of the casing, said cap havin a recessed non-circular'portion, pi spanningxthe recess a plughaving a horetherethrough forming a valveahousing I having apertures through the wall thereof and in screw-threaded engagement "with the other endofthe casing, said plug having a non-circular portion, a valve seat formed on the plug, a plunger valve for reciprocal movement within the housing, a pin spanning thehousing and a recessed wrench for engagingthe non-circular portion of the closure cap and the non-circular portion of'the plug, said wrench having "spring fingers in the recessiorengaging thepins.

, zlntest mony w e f afli my signa ur ZACH D. TALLMAN.

operator can now raise the wrench andv thespring clips 34 Will engage with the pin.

.122 to remove'the cap from the'pipe25. The l wrench 30 is againinserted into the pipe .25

and:this time removes'the valve. IOinthe

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