US111241A - X t tore - Google Patents

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US111241A
US111241A US111241DA US111241A US 111241 A US111241 A US 111241A US 111241D A US111241D A US 111241DA US 111241 A US111241 A US 111241A
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Prior art keywords
gates
valve
stop
lever
gate
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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
    • F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
    • F16K3/02—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor
    • F16K3/16—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor with special arrangements for separating the sealing faces or for pressing them together
    • F16K3/18—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor with special arrangements for separating the sealing faces or for pressing them together by movement of the closure members
    • F16K3/184—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor with special arrangements for separating the sealing faces or for pressing them together by movement of the closure members by means of cams

Definitions

  • the object of this invention is to provide new and; useful 'improvements i-n stop-valves for water, steam, gas, and other pipes. ⁇
  • the n'rst p'art ot ⁇ my invention relates to a peculiar form of valve-oase, by which is secured a great reduction'o'f material, together with great strength to resist theeaetion oi" heavy water-pressure.
  • the second partv of my invention relates to the construction of the sliding gates'so as to render them reversible, .in the manner-diereinafter described.
  • the third part vof my invention relates to themanner ot' locking the gates to the arms, by which they are suspended ⁇ l
  • the fourth-'part of my invention relates Vto the coustruetion of ribs on the inner sides of the gates, with corresponding parallel ribs in the valve-case, on which fthe gates are 'to slide, to obviate the vibrating motion given tothe gate when allowed to slide on its periph-- ery when Athe valve' is placed in a horizontal position.
  • lhe sixth part of my invention relates-to the con- ,struction of-l-an adjustable fulcrum-stop, by which to compensate for the wear of the valveffa'ces by screwing down the set-nuts, and also for relieving the frietion of thevalve-faces, when opening the valve, by means oi' a ycam with hand-level' 'attached thereto, and by' turning said hand-leveriu the right direction the adjustable stop is lowered, thus releasing the camblock"lever.
  • Figure l represents an elevation of' my improved 'stop-valve, partly sectioned.) .
  • Figure 2 represents a longitudinal sectional eleva- .tionfethe same.
  • Figure 6 represents a view of the cani-block or oscillatiugl block.
  • A. A represent pipe-connections of valve-case, coni str-noted in the ordinary manner.
  • thisA chamber or valve-box as it a square, into a circle by having its four sides 'l2 '.b'cinvfetr outwardly, and so corresponds to the circle -of the dome.
  • the gates C G are'suspended by a nut, on, screwed A straight sliding stem may be nsedin its stead.
  • Thc faces of said gates C G are truly iit'ted; so also are the seats D D, vover which they slide.
  • Similar sockets l) P are formed directly opposite, on the 'lower and inner portion of the gates C C, forf the purpose oi' reversing the gate C or gates C C when the lower or working face becomes scratched or bruised.
  • the arms O O are provided with a groove, Q,
  • each socket l? P is furnished with a pin, S, projecting arm O is insertedfinto said socket atright angles to its trueposition, ⁇ this pin passes thronghl' the slot lt into the v groove Q, and then, when the arm O is turned up to its true position, the gate is lsecurely locke' lhe groove Q is made wider than the pin S to allow thc gates to expand freely.
  • each gate G C are .two ribs CET, and also in the valve-cas. are corresponding ribs U U, upultavllieh thcffgates .C C slide freely.
  • Suid oscillating block meynlso be operated by lpenns of n f'ulcrum-lever, l', attaehed thereto, being nreted in its downward movement on an adjustable fnlcrm'- stop, k.
  • This adjustable fulerum-stop is suspended from the cover through an ordinary stuffing-box, and has on its upper end n earn or circular incline, L, with llmd-leverthe adjustable stop k is lowered and Jrhe lever I drops,

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
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Description

ESchedule referred to in these Lettera-Patent and part of the' same. I
tears Imat in; 111,2411ta'ee;
Rensselaer, in the State ot'New York, have invented certain new and useful Improvements in Stop-Valves; vand I do hereby declare thatthe following isa fnli, clear, `and exact beinghad to the annexed drawing and vletters of reference marked tiereon, forming a part ot' this 'spe'ciiication.
The object of this invention is to provide new and; useful 'improvements i-n stop-valves for water, steam, gas, and other pipes.`
The n'rst p'art ot`my invention relates to a peculiar form of valve-oase, by which is secured a great reduction'o'f material, together with great strength to resist theeaetion oi" heavy water-pressure.
The second partv of my invention relates to the construction of the sliding gates'so as to render them reversible, .in the manner-diereinafter described.
' The third part vof my invention relates to themanner ot' locking the gates to the arms, by which they are suspended` l The fourth-'part of my invention relates Vto the coustruetion of ribs on the inner sides of the gates, with corresponding parallel ribs in the valve-case, on which fthe gates are 'to slide, to obviate the vibrating motion given tothe gate when allowed to slide on its periph-- ery when Athe valve' is placed in a horizontal position.- v
' he fifth part of myvinvention relates to the manner of operating the central cam-block.
, This is domi-- i First, by means ofa pendent lever attached to said camb1ock,.and coming in contact with a cam or inclined surface at the bottom of the valve-case; or
Second, by a sliding rod or stilt suspended on the inner side of the gate, which, coming in contact with a stop at the bottom of the valve-case, presses up the lever projecting-'from the cam-block.
lhe sixth part of my invention relates-to the con- ,struction of-l-an adjustable fulcrum-stop, by which to compensate for the wear of the valveffa'ces by screwing down the set-nuts, and also for relieving the frietion of thevalve-faces, when opening the valve, by means oi' a ycam with hand-level' 'attached thereto, and by' turning said hand-leveriu the right direction the adjustable stop is lowered, thus releasing the camblock"lever.
llo-enable others skilled inthe art to make andiise the same, Inow proceed to fully describe the construet-ion and. operation ofthe same. Figure l represents an elevation of' my improved 'stop-valve, partly sectioned.) .Figure 2 represents a longitudinal sectional eleva- .tionfethe same.
description of the same, reference passes upward, is gradually changed from ontoV the stem' n.
' into it in such a manner that,wheu the of the gates. l
Figure 6 represents a view of the cani-block or oscillatiugl block. A. A represent pipe-connections of valve-case, coni str-noted in the ordinary manner.
B 13,-the valve-chamber, into which the gates' O C',
pass when the valve is opened.
' The lower part of thisA chamber or valve-box, as it a square, into a circle by having its four sides 'l2 '.b'cinvfetr outwardly, and so corresponds to the circle -of the dome.
shaped cover.
The gates C G are'suspended by a nut, on, screwed A straight sliding stem may be nsedin its stead. i-
Thc faces of said gates C G are truly iit'ted; so also are the seats D D, vover which they slide.
",ih'e gates O C are attached by arms or trnnnons O projecting oppositely from the nut m and entering cylindrical sockets P I on the upper and inner portion of the gates C C.
Similar sockets l) P are formed directly opposite, on the 'lower and inner portion of the gates C C, forf the purpose oi' reversing the gate C or gates C C when the lower or working face becomes scratched or bruised. y
The arms O O are provided with a groove, Q,
around andnear their-outer ends, and also a'slot, lt, from the groove Q to the extremity of the arm, and each socket l? P is furnished with a pin, S, projecting arm O is insertedfinto said socket atright angles to its trueposition, `this pin passes thronghl' the slot lt into the v groove Q, and then, when the arm O is turned up to its true position, the gate is lsecurely locke' lhe groove Q is made wider than the pin S to allow thc gates to expand freely.
l0nthebackof each gate G C are .two ribs CET, and also in the valve-cas. are corresponding ribs U U, upultavllieh thcffgates .C C slide freely.
when thegates are closed they are firmly pressed to-the seatsI'D D bymcans `of the oscillating block/E, withright-and-lcft hand screw-faces or circnlariuelines 11 F .operating against corresponding right-and-left gate Ci' f l A l Said oscillating block llis oscillated by means of handserewitoes.or inclines j f on the back'of leach- =pelnlent levei'fG, attached thereto, comin g in contact with'the cain or incline surface H at the bottolndf the valveeas`e. in theV downward movement of tle gates C C; er, it may bc oscillated by a sliding rod,
upward.
A XV, sn'spencled'lon the inner side"of' tl1e gte ),snrl
rod being pressed on `che bottom of the fvrlr'e-czlse and thus forcing the short *projecting :mn or lever V Suid oscillating block meynlso be operated by lpenns of n f'ulcrum-lever, l', attaehed thereto, being nreted in its downward movement on an adjustable fnlcrm'- stop, k.
This adjustable fulerum-stop is suspended from the cover through an ordinary stuffing-box, and has on its upper end n earn or circular incline, L, with llmd-leverthe adjustable stop k is lowered and Jrhe lever I drops,
thus relieving the motion of the n'ollking faces before opening the vulve. l o
Il zrving time described my invention,l .1'
"looking the l That I ola-im as new, and desire co s ecure'byLetters Patent, is v 1. The combinatiomwth the gates, O C, having sockets P l and pins 'SA S, 0f the nut mi having zl'is or trnnnions O Q, slots R E, :1nd grooves Q Q, tor gptes, su'bsrirntially as hereinbefore sel: forth.
2. 'lhe combinapion and arrangement of` the gates C G, haring ribs E AT, wit-l1 the .Ylyerase having correspondingribsUU, ,substantially is and fo'r the pnrpose herenbefore set forth.
3. `The adjustable fulorum-sto la; opemtel by the coin or cirenler incline Surface QE, andlmn flever l, snbstantally @sand Ifor-the purpose hereinbefore set forth. JQHN )RATER-SON.
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