US123031A - Improvement in stop-cocks - Google Patents

Improvement in stop-cocks Download PDF

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US123031A
US123031A US123031DA US123031A US 123031 A US123031 A US 123031A US 123031D A US123031D A US 123031DA US 123031 A US123031 A US 123031A
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ball
stem
cocks
improvement
stop
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
    • F16K1/14—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with ball-shaped valve member
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S137/00—Fluid handling
    • Y10S137/901—Biased ball valves with operators

Definitions

  • This invention relates to that class of cocks in which the valve is a gum ball, which, when pressed down to its seat by the stem, closes the oriiice.
  • the invention consists in such a ball provided with a metallic guide projecting from one side, in combination with a stem having a central orifice for the reception of /said guide, the object of this arrangement being to cause the ball when compressed always to close the orifice.
  • the figure is a sectional elevation.
  • A is the aforesaid gum ball, and a is themetallic guide, secured at one end in the ball in any suitable manner.
  • B is the stem of the cock, and b the orifice therein for the reception of the guide a, which tone is longer than the guide, so as to enable the hollow inner end of the stem B to compress the ball a whenever the stem is screwed in.
  • the guide and Aperforated stem carry the ball under all circumstances to its seat.
  • My arrangement prevents the ball from doing this. It also enables the ball to be used with equal advantage when the cock is in a vertical position and the stem and guide horizontal.
  • a stop-cock having a flexible ball-valve opened only by the pressure of the fluid beneath, said ball-valve having a horizontal rotation on its seat and being guided by a stem which ascends freely into the screw-plug, by which the ball is pressed down upon its seat, substantially as described.

Description

UNITED STATES PATENT OFFICE- JOHN MAOLAREN, OF SORANTON, PENNSYLVANIA.
IMPROVEMENT IN STOP-COCKS.`
Specification forming part of Letters Patent No. 123,031, dated January 23, 1872.
Specication describing an Improvement in Compression Cocks for Hot `and Gold Water or Steam, invented by JOHN MACLAREN, of Scranton, Luzerne county, Pennsylvania.
This invention relates to that class of cocks in which the valve is a gum ball, which, when pressed down to its seat by the stem, closes the oriiice. The invention consists in such a ball provided with a metallic guide projecting from one side, in combination with a stem having a central orifice for the reception of /said guide, the object of this arrangement being to cause the ball when compressed always to close the orifice.
The figure is a sectional elevation.
A is the aforesaid gum ball, and a is themetallic guide, secured at one end in the ball in any suitable manner. B is the stem of the cock, and b the orifice therein for the reception of the guide a, which orice is longer than the guide, so as to enable the hollow inner end of the stem B to compress the ball a whenever the stem is screwed in. The guide and Aperforated stem carry the ball under all circumstances to its seat.
It generally happens that after considerable use the ball becomes somewhat ilattened, and when this Occurs the ball, if loose, is liable to turn when pressed so as to present its narrowest part to the orifice, and consequently not close it.
My arrangement prevents the ball from doing this. It also enables the ball to be used with equal advantage when the cock is in a vertical position and the stem and guide horizontal.
I am aware that a gum ball has been connected with the stem of a cock so as to move with the same to or from its seat; but my arrangement diiers from this in having the ball detachable from the stem, and, consequently, easily renewable. In point of simplicity, also, my arrangement seems to leave nothing wantmg.
I am also aware that conical check-valves for cocks have been constructed with guides like my guide a projecting both from their upper and lower sides; but these valves require, in the irst place, to be ground true to their seats in order to fit the same tightly,
and being metallic are easily abraded by sand or other foreign matter getting into the cock, and when cut sufficiently to allow the water to work through they must be removed and reground; whereas the gum ball receives the sand into itself without thereby being prevented from stopping all the water, and does not damage the metallic seat. Again, when my ball-valve needs replacing it can be done without much trouble and by any person, whether mechanic or not; whereas the checkvalve referred to requires to be fitted by a mechanic to its seat, when replaced, which is a matter Of delay and expense.
It will be observed that the diameter of the threaded part of the stem or plug B is fully equal A'to that of the ball A, and that the concavity at the lower end of the plug embraces a large portion of the ball.
It will also be observed that the seat grasps a large annulus of the ball, so that the latter is thereby held firmly, working with certainty and precision, having only a horizontal rotation.
I claim- A stop-cock having a flexible ball-valve opened only by the pressure of the fluid beneath, said ball-valve having a horizontal rotation on its seat and being guided by a stem which ascends freely into the screw-plug, by which the ball is pressed down upon its seat, substantially as described.
JOHN MAOLAREN.
Witnesses: i
EDM. F. BROWN, GEO. E. BROWN.
US123031D Improvement in stop-cocks Expired - Lifetime US123031A (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3284045A (en) * 1965-04-13 1966-11-08 Homestead Valve Mfg Co Plug valve
US5100099A (en) * 1990-06-14 1992-03-31 Societe Nationale D'etude Et De Construction De Moteurs D'aviation "S.N.E.C.M.A." Ball-type sealing device
US5267585A (en) * 1992-07-01 1993-12-07 Boc Health Care, Inc. Elastomeric flow control valve
US20050168991A1 (en) * 2004-01-30 2005-08-04 Koegler John M.Iii Datum structure for ensuring alignment with respect to a reflector assembly
US20050168993A1 (en) * 2004-01-30 2005-08-04 Koegler John M. Datum structure for ensuring alignment of a lamp assembly

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3284045A (en) * 1965-04-13 1966-11-08 Homestead Valve Mfg Co Plug valve
US5100099A (en) * 1990-06-14 1992-03-31 Societe Nationale D'etude Et De Construction De Moteurs D'aviation "S.N.E.C.M.A." Ball-type sealing device
US5267585A (en) * 1992-07-01 1993-12-07 Boc Health Care, Inc. Elastomeric flow control valve
US20050168991A1 (en) * 2004-01-30 2005-08-04 Koegler John M.Iii Datum structure for ensuring alignment with respect to a reflector assembly
US20050168993A1 (en) * 2004-01-30 2005-08-04 Koegler John M. Datum structure for ensuring alignment of a lamp assembly

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