US101533A - Improvement in faucets - Google Patents

Improvement in faucets Download PDF

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Publication number
US101533A
US101533A US101533DA US101533A US 101533 A US101533 A US 101533A US 101533D A US101533D A US 101533DA US 101533 A US101533 A US 101533A
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Prior art keywords
valve
shoulder
spindle
cap
improvement
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K1/00Lift 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
    • F16K1/32Details
    • F16K1/48Attaching valve members to screw-spindles
    • F16K1/487Attaching valve members to screw-spindles by a fixing element extending in the axial direction of the spindle, e.g. a screw

Definitions

  • Figure 2 is a vertical sectional view, my improvements being shown as applied to a cask or barrel-faucet.
  • My invention consists in an improvement in that class of faucets in which the valve that controls the 'ilow of liquid is regulated by a screw-spindle or stem.
  • My improvements consist- 1. In forming a perfectly tight joint between the spindle and the cap. through which it passes and iu which it works, without the introduction of elastic' or equivalent packing. This joint, which is a ground one,
  • My improvement also consists in constructing the valve or valve-plug circular in form, and with a broad, well-defined screw-thread cut on its outer surface, which meshes with and lits corresponding threads on the inner surface of the valve-chamber.
  • the valveopening which receives the spindle is square or angular.
  • the valve or plug is to be provided with a swivel base or hea-d.
  • valve By this construction of valve the surface on which the screw-threads are cut, being so much greater than when they are formed in and around the center opening of the valve, allows of a more durable and substantial thread being used, which, in view ol' the immense wear incident to the continuous working of the valve, is most important, and the swivel hase or head of the valve prevents. all undue vfriction at its point of contact with the seat, which is also most dcsirable.
  • each gure of the drawing- A represents the receiving-pipe or chamber which connects with the valve-case or chamber B, through an opening, b, and y.
  • A' is the discharge-pipe, or nozzle. vThese are all of the ordinary form and construction.
  • C is the cap, and is provided with a female screwthread, c, by means of which it is connected with the screw-neck, b2, of the valve-chamber B.
  • this spindle D is a shoulder, d, the lower surface of which is beveled, or out slightly circular, as shown in the drawing.
  • the spindle is'iuserted in the cap, this shoulder rests in a recess or seat, d', arranged in the cap C.
  • the contour or form of this recess d' corresponds exactly With the shoulder d.
  • this shoulder d and'rccess d' are so nished by the application o1' pumice-stone, or other equivalent substance, that, when fitted together in the faucet, they shall form a ground joint.
  • E is the valve or valve-plug, which is' circular in form and hollow.
  • E' is a coarse, wcll-delincd screw-thread cut around the out-er surface ot' the upper section of the valve or plug E, and which meshes with, or fits and works in, a corresponding scrcw-tlucad cnt on the inner surface of the upper section of the valve-chamber B.
  • h is a swivel base, or head of the valve, and is proyided with a T-shaped bearing F', which enters the valve, and is secured therein by means of screws fjl These screws work under the arms of the T-shaped bearing F', allowing ofthe frecst revolution of the valve ou its base.
  • the upper section of the interior lopening of the valve is not like its lower section, circular, but square or angular, in order to give it a wrench bearing on the spindle or stem D, as shown at G.
  • valvescrewfthread as is usual with this class of faucets, around the end of the spindle at G, and a female screw in thc upper section of the center opening of the valve, itis cut around the outer surface of the valve, which, being of so much larger dimensions, allows ot' a coarse or heavy thread, one better adapted to the constant wear to which the valveis necessarily subjected, while the swivel base F entirely protects the lower surface of the valve from ull undue friction at its point of Contact with its seat B.
  • H is a washer, which may be attached to the lower section of the valve by a, screw, h, as is the usual custom.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Sliding Valves (AREA)
  • Lift Valve (AREA)
  • Valve Housings (AREA)

Description

l dnited tapes @aan anni.
lication, in which- THOMAS SOMERVILIJE, OF WASHINGTON, DISTRICT OF COLUMBIA, ASSIGNOR TO HIMSELF AND ROBERT LEITCH, OF SAlillilP/LMlE.
Letters Patent No. 101,533, dated April 5, 1870.
IMPROVEMENT IN .'E'AU'CETS.
ara-
To all whom it may concern:
Be itknown that I, THOMAS SoMnRviLLn, of Washington city and `District of Columbia, have invented certain new and useful Improvements in Faucets; and I do hereby declare that the following is a full, clear, and exact description of the same, reference being had to the accompanying drawing and to the letters of reference marked thereon making part of this speci- Figure lis a vertical sectional view through the center of a basin, cock, or faucet, showing distinctly the features that constitute my improvement.
Figure 2 is a vertical sectional view, my improvements being shown as applied to a cask or barrel-faucet.
My invention consists in an improvement in that class of faucets in which the valve that controls the 'ilow of liquid is regulated by a screw-spindle or stem.
My improvements consist- 1. In forming a perfectly tight joint between the spindle and the cap. through which it passes and iu which it works, without the introduction of elastic' or equivalent packing. This joint, which is a ground one,
is formed bya shoulder on the spindle, the under surface of which is slightly curved or beveled, and a corresponding recess in the cap. By this means I forni a safe and durable joint, and one that eli'ectually prevents the water, or other liquid, li'om improperly passing to and through the upper section of the faucet.
My improvement also consists in constructing the valve or valve-plug circular in form, and with a broad, well-defined screw-thread cut on its outer surface, which meshes with and lits corresponding threads on the inner surface of the valve-chamber. The valveopening which receives the spindle is square or angular. The valve or plug is to be provided with a swivel base or hea-d. By this construction of valve the surface on which the screw-threads are cut, being so much greater than when they are formed in and around the center opening of the valve, allows of a more durable and substantial thread being used, which, in view ol' the immense wear incident to the continuous working of the valve, is most important, and the swivel hase or head of the valve prevents. all undue vfriction at its point of contact with the seat, which is also most dcsirable.
To enable others skilled in the art to make and use vmy invention, I will now proceed to describe its construction and operation.
In each gure of the drawing- A represents the receiving-pipe or chamber which connects with the valve-case or chamber B, through an opening, b, and y.
A', is the discharge-pipe, or nozzle. vThese are all of the ordinary form and construction.
C is the cap, and is provided with a female screwthread, c, by means of which it is connected with the screw-neck, b2, of the valve-chamber B.
I) is the spindle or stem which works in, and is securely attached to, the centerA opening of the cap by means of a screw-uut, D'. Ou this spindle D is a shoulder, d, the lower surface of which is beveled, or out slightly circular, as shown in the drawing. Vhen the spindle is'iuserted in the cap, this shoulder rests in a recess or seat, d', arranged in the cap C. The contour or form of this recess d' corresponds exactly With the shoulder d. In manufacturing, this shoulder d and'rccess d' are so nished by the application o1' pumice-stone, or other equivalent substance, that, when fitted together in the faucet, they shall form a ground joint. Thus it will be observed that I am enabled to form a perfectly tight and durable joint connectionl between the stern or spindle and the cap, and one that prevents the passage of all water, or other fluid, into the cap and through its upper section without the aid of elastic or other packing, which, in use, has proven so iueitcctivc, since the pressure which it is called upon to resist soon forces it out ot' its original position. causing, as a consequence, a loose or leaky joint.
The great advantage of' this arrangement is found in the fact that the shoulder works into its seat, and
. not away from it. 'lhus allli'ction wear, to which the joint is necessarily subjected, has the tendency to tighten it as it carries the shoulder deeper into the sent, consequent] y never leaving a loose joint, as would be tbc case were the relative position of' the shoulder and' scat reversed. Between the upper face of the shoulder d and the cap-nut 1)', a washer,.dz, may bc introduced.
E is the valve or valve-plug, which is' circular in form and hollow.
E' is a coarse, wcll-delincd screw-thread cut around the out-er surface ot' the upper section of the valve or plug E, and which meshes with, or fits and works in, a corresponding scrcw-tlucad cnt on the inner surface of the upper section of the valve-chamber B.
, h is a swivel base, or head of the valve, and is proyided with a T-shaped bearing F', which enters the valve, and is secured therein by means of screws fjl These screws work under the arms of the T-shaped bearing F', allowing ofthe frecst revolution of the valve ou its base. The upper section of the interior lopening of the valve is not like its lower section, circular, but square or angular, in order to give it a wrench bearing on the spindle or stem D, as shown at G.
The great advantages of this arrangement of valve are that instead of cutting thescrewfthread, as is usual with this class of faucets, around the end of the spindle at G, and a female screw in thc upper section of the center opening of the valve, itis cut around the outer surface of the valve, which, being of so much larger dimensions, allows ot' a coarse or heavy thread, one better adapted to the constant wear to which the valveis necessarily subjected, while the swivel base F entirely protects the lower surface of the valve from ull undue friction at its point of Contact with its seat B.
H is a washer, which may be attached to the lower section of the valve by a, screw, h, as is the usual custom.
Having thus fully described my invention,
'What I claim therein as new, and desire to secure by Letters Patent of the United States, is-
1. The spindle or stem D, having a, shoulder d, and the cap C with its recess or seat d', when said shoulder I.nd seat are so attached that the shoulder shall work Witnesses JAS. W. SOMERVILLE,
JOHN T. C. CLARK.
US101533D Improvement in faucets Expired - Lifetime US101533A (en)

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