US1026447A - Gas-fixture. - Google Patents

Description

J. W. LANGENDORFER.

v GAS FIXTURE.

APPLIOATIOH FILED APB.14,1911.

Patented May 14, 1912.

Wotan untransnares- PATENT crates.

JOHN W. 'LANGENDOREER,;OF PHILADELPHIA. PENNSYLVANIA:

ens-rm'runn.

" Y r Specification of Letters Patent. Patentd Ma 14, 1912.

Application filed April 14,'1911. Serial No. 621,041.

Toj all it m concern: I means for locking said key. Fig. 6, a plan Be it known that 1, JOHN XV. L'ANGEN View of said key. Fig. 7, a plan view of a nonrnn, a citizen of the United States, rekey showing the stop on the medial line.

siding. at Philadelphia; in th'e county of a In carrying out my invention as here em- Plnladelphia' and State of Pennsylvania, bodied, A represents'a gas fixture in which.

. have invented a certain new and useful.1mis mounted a key B, having a transverse .provement '1n Gas-F xtures, of wlnch the folopenmgC through'which the gas flows, and

lowingis a specification q a longitudinal opening "D leading from the My vinvention relates tonew and useful end of the key into thetrans'verse opening, .5

.i-niprovenients ingasfixtin'es, and has for its the outeriend of the longitudinal opening ob ect to so eo1 1struc t a key for gas'fixtures belng threaded as at E, for th'e'reception of as to provide the. former Wllllfl stop which the screw'F which carries 'wire or win G.

will co-act with a pin. carried bythe-body The end of said wire after entering the of the fixture,thusovercoming the necestransverse Opening through the longitu- 7 sity of. having to, cut away a portion of the dinal opening D is bent over ap iiroximately gas fixture-body in order to produce a stop at'r'lght angles by a rod or other instrument which would co-act by a pin carried with the which is inserted through the opening H of v the gas fixture, into the transverse opening Another object of the invention is to pro- C in the key. After the end of this wire has vide the key screw with a short pin or wire been bent over, the screw F cannot accidenwhich will registeri with the longitudinal tally work loosefrom any cause. In Fig. 1 l openingin the end of the key leading to the have also shown one form of resilient means transverse opening,throughiwhich the gas for holding the key in its closed position key.

,fiows. The wire carried by the screw must which will ordinarily prevent said key from so beof suthclent length to lead nto the transbeing arred open or even opened by a light verse opening and when the screw is 1n accidental touch. In this form of resilient place this wire isbent'at rightangles by nieans I employ a small coiledspi'ing I inserting'an instrument lnto the transverse held in place by a screw J which passes 7. opening while the gascock is opened. When through said spring and threaded into the wire is bent in this manner the keyscrew the body of the fixture, and this spring 18 cannot accidentally-work loose. provided with anextension K. This cxten I A. further object of [the invention is to 'sion lies at an angle to the body of the screw provide resilient means for holding the key and rests upon the inner face of .the collar in a predetermined position; I L carried by the-key, said-collar having a With these ends in View, this invention flange M, the edge of which lies flush with a consists in the details of construction'and' secondary collar N, said secondary collar combination of elements hereinafter set having a cut-away portion to produce' the forth and then specifically designated by opening 0 and forming shoulders Pwhich' .the claims act as stops and contact with the. screw J to In order that those skilled in the artto limit the inovementsef the key; In the col- I which this invention appertains may under-1 lar L is also formed a perforation Q into stand how to make and use the same, I will which theexten'slonK of the spring I will describe its construction in detail, referring enter when the keyis turned to its closed. by letter to the accompanying drawlng position, thus preyentingt-ie key from being formin a art of this s ecification in turned b an accidental"movement or it a P I WhlCl'l a brat-ion. From this-description it will be Figure 1, is a sectional side elevation of a seen that when the key 15 Closed one 01- the fixture made in accordance with my imshoulders P will be in contact with-the 'provement, it here being shown as being LP- sctew J,wh1le'the extension K Will be rest plied to an-independent-gas cock. Fig. 2, 'ing in the perforation Q1 and this spring a plan View of a key. Fig. '3, a side elevawill be sufiieient-ly strong to prevent the action of a gas: fixture showing the key in seccidental turning of the key, but said l\'(- tion to plainly show the relation of the re may ,be readily turned as 11] the ordnmry silient member thereto. Fig. 4, a plan view fixture and when the key. is opened the op- 11o of the key. Fig. 5, a sectional side elevation posit'e shoulder P will be in contact with the r of a keyzshowing another-form of resihent screw J. ThlS construction overcomes the necessity of cutting away the body of the gzs-fizgture to produce shoulders which would engaged by a pin on .thekey.

In Figs. 3 and 4 I have shown a slightly modified form ofreSilient-means for hold ting the key closed, in which a coiled spring I'tis inserted in the space formed between the collars L and.N, oi1e:,end resting against Tthe shouldersP I In thisconstruction, when the key is opened of. the spring in a fiat metallic spring. 30

A I the key sect on 1n tendency to close the key, the key i'n'its seat will overcomethe strengththis respect, but when said .of'thekey; In Figs. 5 and 6' I have showna still furture.

turned until the pin J comes in contact with one of the shoulders P, at which timean integral portion of the key while the op- 10 positeend rests againsta Ypin' J carriediby thebody ofthe gas fixture, said in entering the spacebetween the collars t rough the out-'awayportion O. The pin J is. shown in Fig. 4 to more clearly illustrate its'relation to the spring.- 'While thispin is one of theabutmentsto one end of the spring I it also operates in conjunction with to form stops'for the key.

the spring I will be compressed, having a but the friction of fiicient prevent the accidental opening key is closed said spring isof. su strength to ther modified form of my invention in which I is secured atits cen- R to the outside of the Said flange tral point by a screw flange M.

to its ends and being of suflie cient length to pass throughthe thickness e, permitting them to come in contactwit .the' pin J," carried by :the fix- When the key is opened it wil l be one of the teats T will be ridden over the pin and passed behind said pinto prevent from being accidentally turned.

having apertures S through-which pass the teats '1, said teats .being arranged from thebody of the spring.

in proximity take place with the opposite shoulder and the opposite-end of the spring.

In Fig. 7 I=.have shown a key in which the out-away p'ortionO is approximately one-half of the collar N, thereby shoulders P on the medial. line w ich would permit the key to be turned halfway around insteadof'on'e fourth as shown in the other vlews.

.- Havinwhat I claim as new and useful, is

,1. In combination a'gas fixture having a key seat, a key co-acting with the key seat, acollar having a flange formedthereWith,

a' secondary collar having a-portion cutaway v to produce shoulders, 1 said collar also-rarflush with the ried by the key and. lying flange of the first named collar, a pin carried means carried by the pin and the first named collar for holding against accidental opening. f

In testimony whereof, I aflixed my signaturein' subscribing nesses.

J OH IJANGENDORFER. Witnessesp v I "Enw. W. Ans'r'm,

the. key

with for holding ,the key closedhave hereunto. the presence-of two When the key i s'closed the same action will lacing the thus fully-described my .invention, i

ng a perforation therein, :1

the first named collar, a

by the-body of the fixture, and resilientco ncting with

Images