US1479724A - Tap - Google Patents

Description

Jan. 1, 1924 A. H. M |sAAc TAP Filed June 9, 1922 INVENTOR ALBERT HMAc ISAAC.

ATTORNEYS.

Patented Jan. 1, 1924.

UNITED rs ATENTI IFFICE.

TAP.

Application filed June 9,

T all whom it may concern:

Be it known that I, ALBERT HARoLD Mao- IsAAo, a subject of the King of Great Britain, and a resident of the city of Toronto, in the county of York, in the Provlnce of Ontario, Canada, have. invented certain new and useful Improvements in Taps, of which the following is the specification.

My invention relates to improvements 1n taps adapted for use either as water or steam taps and the object of the inventlon is to devise a tap of this class in which the valve will operate either in a vertical or inverted vertical position to form a tlght closure so that there will be absolutely no leakage of water or steam past the valve and at the same time to devise a casing which will also be water and steam proof and it consists essentially of the arrangement and construction of parts as hereinafter more particularly explained.

Fig. 1 is a sectional view through my tap.

Fig. 2 is a similar view to Fig. 1 taken at right angles thereto.

Fig. 3 is a front elevation of the controlling gears.

In the drawings like letters of reference indicate corresponding parts in each figure.

1 is my valve casing which is cylindrical in form divided into upper and lower portions 2 and 3 having a threaded connection at 4 and provided at its upper and lower end with contracted portions 5 and 6 internally threaded for the reception of the supply and r dis-charge pipes. 7 is a valve seat formed in the upper portion 2 beneath which is secured an annular member 8 having depending guide arms 9, 10, 11 and 12.

13 and 13 are openings formed in one side of the upper and lower portions 2 and 3 of the casing 1 from each of which extends an annular flange 14 externally threaded to receive a closing cap 15 having a central orifice 16.

By this means a tubular passageway is formed extending into the interior of the valve casing above and below the valve seat 7. Around the inner end of each of such orifices is formed a shoulder 17. 18 are re cesses formed in the opposing wall of the casing in central alignment with the orifices 13 and 13*. 19 and 19 are valve stems each provided at one end with a circular head 20 fitting the corresponding recess 18.

The opposite end of each stem 19 is pro- 1922. Serial No. 567,124.

vided with an enlarged portion 21 fitting the corresponding orifice 16 and extending through the centre of the orifice 13 aligned therewith and provided at its inner end with an annular flange 22 fitting against the annular shoulder 17 of the orifice 13. 23 are annular metal packing sleeves fitting the orifices 13 and fitting around the enlarged portions 21 of the valve stems 19 and 19 The stems 19 and 19 protrude outward from the outer ends of the enlargements 21 and are provided at their outer ends each with a sided portion 24 for engagement with a handle or-other suitable turning device. 25 and 26 is suitable packing located in the flanges 14 at each end of the sleeves 23. 27 and 27* are cams mounted eccentrically upon the shafts 19 and 19*. 28 is the ball of the valve coacting with the valve seat 7.

29 and 30 are plates each having perforations 31 and 32 through which the stem portions 24 extend. 33 and 34 are gears having squared hubs 35 inwhich the portions 24 fit. 36 are perforations formed in each plate 29 and 30 in a line and intermediately between the perforations 31 and 32. 37 is a pin secured in the perforations 36 and 38 is an idler gear mounted on the pin 37 and meshing with the gears 33 and 34.

Having described the principal parts involved in my invention I will now briefly describe the operation of the same.

One of the stems 24 is provided with a suitable operating handle. By turning this stem the cams 27 and 27 are turned in unison to carry the ball positively off and onto the seat, the gears 33, 38 and 34 ensuring that the cams operate in unison.

From this description it will be seen that I have devised a very simple construction which will be absolutely steam or water tight, the valve spindle 19 being so packed that the outward leakage of water or steam from the casing is absolutely prevented and the valve ball 28 is held so positively against its seat that there is no possibility of the leakage of water or steam past the same.

What I claim as my invention is:

1. A valve comprising a casing having a downwardly directed seat intermediately of its length, a ball coactin'g therewith, cam means bearing upon the ball at diametrically opposite points, and means for operating such cam means in unison to carry the ball onto and off its seat.

a gear connection between the stems whereby they rotate in unison when manually operated.

A valve comprlslng' a casing-having a downwardly directed valve seatga hall coacting' with the seat' stems'journalled in the casing at diametrically opposite sides of'the valve seat, oppositely-set cams carried by the stems adapted'to engage theball ofthe valve at diametrically opposite points, a plate hung'upon the stems of the valve','a gear secured to each stem, and an interposed idler gear meshing with each of the afore saidgears and rotatably mounted upon said plate.

&. A valve comprising a casing having a downwardly directed valve se'at, a ball coacting with the seat, stems journalled in the casing at diametrically opposite sides of the valve seat, oppositely set cams-carried by thBStGlTIS adapted to engage the ball of the valve at diametrically opposite points, a gear secured to "each stein, apair ofplates 'freelyh'ung upon the-stems of the valve, a

gear secured'to each stem between the plates,

a pin secured in the plates intermediately between'tlie gears, and an idler ear mounted "upon thepin and meshing with each of the aforesaid gears.

ALBERT HAROLD MAcISAAG.

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