|Numéro de publication||US2577009 A|
|Type de publication||Octroi|
|Date de publication||4 déc. 1951|
|Date de dépôt||12 nov. 1946|
|Date de priorité||12 nov. 1946|
|Numéro de publication||US 2577009 A, US 2577009A, US-A-2577009, US2577009 A, US2577009A|
|Inventeurs||Virgil L Frantz|
|Cessionnaire d'origine||Virgil L Frantz|
|Exporter la citation||BiBTeX, EndNote, RefMan|
|Citations de brevets (6), Référencé par (47), Classifications (10)|
|Liens externes: USPTO, Cession USPTO, Espacenet|
Dec. 4, i951 V. FRANTZ` 2,577,009
SANDER NOZZLE ASSEMBLY Filed Nov. l2, 1946 INVENTOR. fz L). Hmz
Patented Dec. 4, 1951 UNI TED STATES QLFEI SANDER. NozzLE .ASSEMBLY Virgil L. Frantz, Roanoke, IVal.-
Application November 12, 1.946, Serial Noeioilg i llClaims. 1
Thisinyention `,relates to. .senders ,for locomo-` tives. .and...t he like. and Lpartitfllla..rly to, sander nozzlesassemblies.
An object .of the invention is. to provide. an improved sander :nozzle assembly `by .which the sander nozzle can be connected directly to the air..pressure line without the use of .external couplings.
Another object of the. invention isv to provide an, improved nozzle l assembly having means enabling the nozzlev to be adjusted longitudinally relative to the body of the sand trap Without disconnecting the. ,air line. from the nozzle.`
An additional object of .the .invention is to provide .an improved; nozzle assemblyyhaving means Ior preventing sandirom contacting and impairing the .threaded connectionsof the as sembly.
A. further object of. theinvention lis .to .provide animproved `nozzle assembly of .simplerand rugged construction long, usefullifen.
.Other objects -and advantages of therinvcntion will appear hereinafter;inthe-detailed descripv tionfbe particularly pointed out. tbe-.appended claims and illustrated in the .accompanying drawings, in which:
Fig. 1 .-isja :vertical .sectional :View cia sa-nd trap-,torwhich has been applied .the improved nozzl assembly and Figari is. an isometric` view fof. the sealing :ring .elnllloyedi inthe assembly# Referr,in-g;V now indetail to ethe'fdrawillgduin whiclrfflike reference ch.a-ractors Adesignata ke parte; the Aimproved nozzle. assemblyp for .pure poses of illustration, has beenshown--appled :to a :sand .trap. The illustrated f sand;` trapt'. is r,of the-type employed onl'locomotives and 'the-like and has asbody I whichisladapted to fbe. foilned asaii .integral casting- The bodypispreierabty alici-shaped .hollow mem-berwprovidedaty :its upper-:endewitgh. a--sand'inlet port 2 ,-w.l.1ieb-ris connected by a --coupling ..3 oi any. suitable type to the usual sand dome-.not shown.A Thebody istzalsoprovided witha vclean-.out `port 4; normally closed-,.and one or more ysand'.outlet..ports -5 through. which. VAit tissuitably Vconnected to .y a sand-outlet line, not shown, leadngto the rails;
Theffpresent inventionrelates particularly-to the means bv .which an air bla-st is admittedtto thelillowinterior of the. sand trap body ,to force s andthrougn one. .oi-the sand loutletzports 5 when the sand trap is:actuated.:V 'Ihismeansltemied hereinafter. the.:sandery v-nozzl. assembly,... is
adapted `nto..:introduce a iblastgofia intotlaeebody .I through fa :nozzlepraairdnletropenlng 16,.;1. This:
2 opening positioned below the eend inlet port 2. :and directedV toward theeand. outlet porton oi the body,.preferably at an inclination below the. longitudinal axis o the lower leg- 1 of.. the body.; Encircling' the outer end of .the .nozzle opening 6 and preferably integral with the body I is a..noz.z1e seat formed as a boss or circular flange il, The flange is provided .with 'an annular opening 8d dened by .its Cylindrical inner Well. the latter being coaxial with the onerijngg 6. Adapted to be. introduced intotne body .l through the nozzle seat opening ,8a andthe nozzle onen. ing. 6 and to be attached to the body' tlirougli thenozzle. seat. 0 is a nc z .zlev 9.. Whiletlie nozzle may be formed esV an. integral member .its f nward portion or tip. which normally' entendsiinto Vthe interior of the body. l .is preferably apipe vhead I4 is .adapted to .be-Connected directlyto theair pressure line. For this purpose tbeeliead .isprovided with a tapered threaded .opening i5;
for receiving the end. ofthe air line, the opening being y.coaxial with. and connected. to thecentrel passage. 1.3v the shank l2.
The .nozzle isoonnected to the. body I through a:,collar` 0.1' nut I6 hav-ing an outer portion or shoulder l1, which is adapted to abut-theouter 'face of the-boss 8, .and a stem or .inner por-tion [8701" reducedcrossesection wliicl'iis adapted to be inserted in the nozzle. .seat opening. 8o. .The .outer `face of the stem. I8 of the collar is cylinf drical .and of substantially the same diameter as the cylindrical sea-t opening 8a, thus enabling the collarito besslidably seated in andyfreely rotated lrelative to the boss.
For locking-the collar I6 against axialoi' lon. gitlldlilitt,lv movement relative to the boss 8 there is plQVided-azsplit snap, resilient or sprnggring 5 19. -whieh. is adapted yto seat .in an outwardly 1 racine circumferential .groove orslet .20..iorn1ed Y. in ...h ernia for =tne colle-r .intermediate .its 1e e 'sf ov preferably 1.' e- 'f t os section dpiaga .depth.;Sub-.
staat-iena teeueftoforres-.edndine dimensionof the ring. Inwardly of the outer face of the boss 8, the wall of the opening 8a is slotted to provide an annular inwardly facing groove 2| preferably rectangular in cross-section and of less depth than the depth of the ring I9. The groove 2l is so spaced relative to the outer face of the boss that it aligns with and confronts the groove in the stem when the collar is fully seated, the shoulder II then abutting the outer face of the boss. To enable the ring to serve as an interlock between the grooves and at the same time to permit the collar to be inserted in the seat opening 8a, the ring in free condition is of substantially greater outside diameter than the stem I8, enabling it to press against the bottom Wall of the groove 2l, and when compressed by bringing the split ends toward each other can be confined entirely within the groove 20.
With the above construction, the stem I8, with the ring seated in the groove 29, can be inserted lin the seat opening E by contracting the ring, the ring thereafter being conned in the groove by the wall of the opening until it reaches the groove 2I. The ring then expands and, by overlapping the joint between the collarv and the boss, locks the collar against outward axial movement. To insure close fit between the ring and the groove as well as to provide frictional resistance against y To enable rotation of the collar I5 to vary the longitudinal position of the nozzle 9 relative to the trap body I., the confronting faces of the stern I2 of the nozzle and the collar are desirably provided with interlocking position-adjusting threads 22. To connect the nozzle to the 'air pressure line or pipe, the latter is introduced into the tapered threaded opening I5 in the nozzle and the nozzle is then turned either with or independently of the collar to force the threaded end of the pipe into the opening, thus sealing the connection between the pipe and the nozzle.. lIhe position of the nozzle relative to the trap body can then be altered by holding the head of the nozzle against rotative movement and rotating the collar in the direction required to either withdraw or project the nozzle further into the body, as desired. To facilitate attachment of the sand trap, the nozzle will ordinarily be adjusted such that it will occupy its proper position relative to the body when the head of the nozzle is in engagement with the outer face of the collar. Once the nozzle is adjusted, frictional engagement between the corrugated ring 9 and the collar of the boss will prevent change of position of the nozzle by accidental rotation of the collar.
An important feature of this invention is the means by which sand is prevented from seeping into and wearing the adjusting threads 22 on the collar and the nozzle. To reduce seepage through the nozzle opening to a minimum the opening is tapered toward' the interior of the body I and adapted to receive a tapered sleeve or hollow plug 23, which is designed to fit tightly into the opening. The bore of the sleeve is cylindrical and of substantially the same diameter as the outside of thel nozzle projection or pipe I0, the sleeve thus serving as a guide for centering the nozzle, as well as a seal. Both sleeve and pipe are preferably made of brass or like material to eliminate corrosion and consequent binding or sticking in use.
outwardly of the opening B there is provided in the boss 8 a cylindrical recess 24 of greater diameter than the collar seat opening 8a. At its bottom, this recess is provided with a drain or outlet 25 extending through to the outside of the boss. As a consequence, any sand particles drawn through the opening 6 on withdrawal of the nozzle, despite the wiping action of the sleeve 23, will drop into the recess 24 and be removed from the trap through the drain 25 before they can contact the adjusting threads 22.
To exclude moisture from the engaging cylindrical surfaces of the boss 8 and the collar I6, there may be provided a sealing ring 26 seating in an appropriate groove 2'I in the flange-abutting face of the collar. To facilitate turning of the nozzle and the collar the outer faces of both the ead Id of the nozzle and the shoulder I'I of the collar may be hexagonal or the like in section to provide the usual flat gripping surfaces.
While normally not necessary, the construction of the nozzle assembly is such that the parts subject to the abrading action of the sand can be replaced. For this purpose, the pipe I0, as previously mentioned, is removably attached to the body of the nozzle. The other exposed part, the sleeve 23, is so positioned that it can be reached through the clean-out port 4 and removed through the central opening in the collar, should its replacement be necessary.
From the above detailed description of the inventionit will be apparent that there has been provided an improved sander nozzle assembly, particularly adapted for use in Sanders for locomotives and the like and of such construction that it can be attached to the air pressure line without use of external couplings. t should be under stood that the described and disclosed embodiment is merely exemplary of the invention and that all modications are intended to be included which do not depart either from the support of the invention or the scope of the appended claims.
Having described my invention, I claim: v
1. In a sand trap a sander nozzle assembly comprising a seat formed in the body of said sand trap, a collar rotatably mounted in said seat, means Aassociated with said collar for locking said collar against axial movement, and a nozzle connected to said collar and longitudinally adjustable relative to said collar and said trap body on rotation of said collar.
2. In a sand trap a sander nozzle assembly comprising a nozzle slidably received in an opening in said trap, means rotatably associated with said trap and engaging said nozzle for moving said nozzle axially relative thereto and to said trap, and means insertible in said opening and expansible therewithin for locking said collar aga-inst axial movement.
3. In a sand trap a sander nozzle assembly comprising a nozzle slidably received in an opening in said trap, means rotatably associated with said trap and engaging said nozzle for axially adjusting the position of said nozzle relative thereto and to said trap means for locking said rotatable mea-ns against axial movement, and means integral with said nozzle for attaching said nozzle to an air pressure line.
4. In a sand trap in which the sand trap body is provided with an air inlet port, a nozzle adapted to be introduced into said body through said port, a boss formed integrally with said body outwardly of said port, a collar rotatably associated with said boss and engaging said nozzle for axially adjusting said nozzle relative thereto and to said body, and means intermediate said base and bore for locking said collar against axial movement.
5. Ina sand trap a sander body having an air inlet port, a circular ange formed integrally with said body and encircling the outer end of said port, a collar rotatably seated in said nange, means'expansible within said flange for locking said collar against axial movement relative to said flange, and a nozzle slidably received in said port and engaging said collar, said nozzle being 'adjustable longitudinally, relative to said body on rotation of said axially locked collar.
6. Inl a sand trap a body having an air inlet port, ai boss formed integrally with said body and having an annular opening encircling the outer? end of said port, a nozzle adapted to be introduced into said port through said opening and a* collar rotatably seated in said opening for adiusting said nozzle longitudinally relative to sai'dfbody, Ysaid boss having a recess intermediate said port and said opening for catching any sand "drawn from said body through said port.
'7. a sand trap having an air inlet port, a
nozzle; .adapted to be introduced into said trap through said port, a boss formed integrally with said trap outwardly of said port having an annular yopening encircling the outer end of said port,.a collar rotatably seated in said opening' meansfor locking said collar against axial movement lrelative to said boss, means connecting said nozzle to said collar enabling said nozzle to be moved axially on rotation of said collar and ,means removably seated in said port for slidably receiving said nozzle. j
8. In a sand trap having an air inlet port, a nozzle-insertible in said port, a boss formed on said 'trap outwardly of said port and having a cylindrical opening coaxial with said port, a
collar rotatably seated in said opening, said collarv having a shoulder adapted to abut the outer face of said boss, a resilient ring seated in a circumferential groove in said collar and adapted to engage a confronting groove formed in the inner wall of said opening, said ring and shoulder cooperating to lock said collar against axial movement,and means on said collar for engaging and moving said nozzle axially on rotation of said 9011s?.
9. In a sand trap having an air inlet port, a nozzle insertible in said port, a boss formed on said trap outwardly of said port and having a cylindrical opening coaxial with said port, a collar rotatably seated in said opening, said collar having a shoulder adapted to abut the outer face of said boss, a split resilient ring adapted to seat and be compressed entirely within a circumferential groove formed in said collar and to engage the inner face of a confronting groove formed in the inner wall of said opening on seating of said collar, said ring when said collar is seated lying in both of said grooves and locking said collar against outer axial movement, and means on said collar for engaging and moving said nozzle axially on rotation of said collar.
10. In a sand trap having an air inlet port, a nozzle insertible in said port, a boss formed on said trap outwardly of said port and having a cylindrical opening coaxial with said port, a collar rotatably seated in said opening, said collar having a shoulder adapted to abut the outer face of said boss, resilient means associated with said collar and boss for locking said collar against axial movement and means on said collar for engaging and moving said nozzle axially on rotation of said collar.
11. In a sand trap having an air inlet port, a nozzle insertible in said port, a boss formed on said trap outwardly of said port and having an annular opening encircling the outer end of said port, a collar rotatably seated in said opening, friction spring means within said opening and associated with said collar and boss for locking said collar against axial movement and frictionally resisting rotative movement of said collar, and means on said collar for engaging and mov ing said nozzle axially on rotation of said collar.
VIRGIL L. FRANTZ.
REFERENCES CITED The following references are of record in the file of this patent:
UNITED STATES PATENTS Number Name Date 732,636 Hooper June 30, 1903 1,465,065 Stern Aug. 14, 1923 2,042,120 Palmiter May 26, 1936 2,261,565 Roselle Nov. 4, 1941 2,293,129 Frantz Aug. 18, 1942 2,399,249 Perignat Apr. 30, 1946
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|Classification aux États-Unis||291/11.3, 411/970, 451/102, 285/125.1, 285/192, 285/321|
|Classification coopérative||B61C15/102, Y10S411/97|