US1358314A - Chimney-cowl - Google Patents

Description

M. JEZVA.

CHIMNEY C0 WL.

APPLICATION FILED IuNE 4. 1920.

1,358,314, I Patented N0v.9,1920.

C1110: ne

e 1,358,314," 5 y y y A i Y i 1 Application fusa June e, 1920. seriai Naiseasaa.y

` so.; .withthe rimprovedf cowl operatively Aposii UNITELD sfrAjrES PATENT OFFICE A innove., or' WALLIS.,` Texas. i

Zen` of Czechoslovakia, 'residing -at Wallis, in thecounty ofAustin and State of Texas,

.followingis a'ispeci-fication.` y

lllheA present invention has particular ref- Y erence to a chimney `cowl that is revolubly` mounted upon the upper end Vcfa chimney, andhaving a weatherv vane carried-thereby toeifecta rotation thereof. i

provide `a chimney cowl having a manually ,i controlled spark arrestingl outlet ',Lthat is` shiftable to varyl'thesize of the outletV at will ofthe operator;`

y With the above ELgeneral of theinvention is. better understood, the

lnfthe drawing, @wherein l like reference characters indicate corresponding parts tioned thereon, Y y

Eig@ ,isa top plan view of the same with Vthe adjustable outlet of the cowl removed y .therefrom, 135.

F'g. 4' is a` fragmentary sectional view y showing the ball bearing connection between the upper end lof the chimney and the cowl. e

Briey described, the present invention has for its primary object to provide a cowl attachment for chimneys that is revolubly mounted upon the upper end of the chimy ney, the meeting,edgesiof the chimney and cowl Vbeing `flanged and loosely clamped `to-` getherwith friction bearing balls arranged between the meeting flanges. Y The cowl em-f bodies Van elbow pipefcarrying aV weather.v

vane to effect rotation thereof. `A controli,V lable outlet device is shiftably mountedin the outlet end of thefelbow, ,section andis manuallycontrolled by chainV vand sprocket` i Y mechanismfor varying the4 size of the out- 'specifiafionpf Lettersrtent. l

objects in view and'others that Vwill appear-as the nature CHIMNEY-'cown- Y Patented ofthe shiftable section to of sparks and cinders.

Nev. 9,1920. Y

lprevent theescape l `f Referring.` more `in V'detail to the accom i panyingfdrawings there is illustrated r` a cowl attachment for chimneys, vembodying a chimney 5as bestillustratedA in Figsfl and lashaving a peripheral outwardlydiembodiesan elbow 1pipe 7 havingfan-*anel nular angle bracket- 8- secured to .the lower peripheral edge thereof with the outer wall Vrected flange 6 at its upper endnl :The cowl 8, overlying the chimney `flange 6, the flange .l i A further object'ofthe-invention isto 6 'and wall SL lbeing provided with (opposed Y.

circular grooves `for the` reception of bearfV ving balls 9-jto reduce vfriction `between the4 parts iand 7- and to permita free relative" revoluble movement thereof; :A bracket, of y the form best illustratedvin Fig. v4: Vhas the leg 10 thereof,securedto the chimney. 5y

while the Uf-shaped` extensionll carried by the` leg incloses the ^iiangeit and, wall; 8f to maintain the, parts againstseparating movement, as; kclearly shown ing-Figs;` 1,5 3, and 4. 1* VTo effect rotation ofthe cowlorelbowV pipe 7 ujpon chhnaney` 5;; a; lweather vane" is mounted upon said elbow pipe and Y embodies a frame structure including a relatively e Y: y trated in ylfigtjgs;` 2 and 3 so that the wind enr, `liigj is a front elevational view of the device, and

gagingvthe faces of theblades 15 will eiect" line with the wind so that the'outlet end of the elbow pipe 7 is reversely positioned relative `to the direction of the travel ofthe wind. f

the elbow pipe 7v for 'controlling the dis-V vcharge area thereof, and also for arresting the flying sparks, and includes a segment` 1- Vshaped pipe section 16 open at each end and having' the apex thereof'provided with bear` `ings 17,l as shown in Fig;x3secured"to the Y' shaft 18 that isjournaledin brackets 19 se-` f pipe 7. The innerend of the segment shaped eifect a shifting movement 'ofthe pipe sec `tion 16 a'lsprocket wheel 21M1iXed`5to the .11:10 i

Means isV associated withthe outlet endof outer endio the shaft 18 asV shown inA Fig. .3V n

is connected by a sprocket y chaipnl22 to the Y spro'cketwheel 23 journaledA upon the shaft 24 carried by the lower end of the elbo'wfpipe 7, an operating crank being received upon the end 24 of the sha-H724, and by rotating the sprocket wheel 23 in either direction,

such motion is communicated bythe chain 22 1 and wheel 21 to the shaft 18 with a conse# cuentishifting` movement` of the pipe Section 16.

lVhen it is desired toicontrol; thefoutward Y drafto' 'the' chimney 5,-'the segment :shaped Y pipe sect-ion 16 is'rmove'din eitherfdirection,

pipe 7, thus reducingthe draft area. The shifting of the pipe section '16 is 'manually controlled while theerevoluble shifting movements ofthe elbowpipe 7 upon'the chimney rijisfent'irelyv automatic in its'operation and is controlledhy'f-the,weather vanerlf.,` The reti'culate'd' wall 20' closingy the outer encl of the pipe section? 1675 preventsl `the escape4 of' Vlive sparks andrcin'ders.` 1

1 *While there' is herein Vshown"and"described the preferred' embodimentlof thepresent in- Vvention, it is'nevertheless toV be understood v 'Y thatniinor changes may vbe ymade therein without departing vfrom,l the` spirit and scope of the invention as claimed.

Whatisclaimedasvnew isp-"5' i A chimney cowll comprisingin combinationwith a chimney, an elbowl pipe sec# tion 'revol'ulOly'IriountedY at its lower endV upon the'n upper* end of the chimney, a

i weather vane associated withsaid 4elbow pipe section, and an adjustable pipefsection in the outer end of: the elbow pipe arranged to Vary the size of vthe outlet-of the, elbow pipe.l y [2.' f1 ehimneycowlcomprising in combif nation with a chimney, an elbow pipe section revolubly mountedratits lower ende upon thek upper endy of the chimney, a weather vane A associated: withi said.V elbow.` pipe section, Y an adjustable pipe'section in' thel outer endloil the. elbow 'pipefarrangedto'yary the .size ot the outlet of. thei elbowfpip'e, and means for'. shifting the adjustablefpipe: section.

f3; "A chimney cowl comprising in combination withy a chimney an elbow pipe section revolubly mounted at'itsloweriend'upon the upper end .of the chimney, ai weather vaneV associated with said elbow pipe `section,an adjustable pipe'section in the outerendof the elbow pipe, andchain and sprocket vmechanism associatedswith the adjustable Vpipe section and adapted tobe operatedtoshift said pipe section for varying. thesize` ofoutletv of theelbow pipe.: f

4)' A, chimney cowlf comprisinginfcombination with afchimney, an elbow pipel revolubly mountedy upon the upper end lott'he chimney, a. segment; shapedipipe' section: piylotfal'ly mountedat theV apex thereoinithe lower side oiflthe` outlet endgofrthe elbow pipe7 chainandsprocket mechanism.'.azssci.V ated withv said pivot for manually shifting the pipesection'to Vary the Soutl'et areai of the .elbow'rpipe5i andi -reticulated wall Vclosing; the,outerendfofthejpipe section. -f

' Injtestimony' whereof I: aliX my' signature.

. j Jnz'ore.

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