US94971A - William h - Google Patents

Description

; To all @oliemt may concern .r

' medean screw;

i Wr LLI-A MY HfP--L UMH or New Yorin, N, r.Al

y "Lc'ttcrsllatent o; 94,971', Septembernfldgwantcdated Septante/r n u i aovnmrwm i y .t been sCRE WATERELE'MTORS' The referred to these Lettonel 15a-teni: and makingprt of the name.

f-*Beit known that I,W1 LL1AM-H.PLUns,cf` 1.-he :city and State of New York,\have invented, made, and

applied touse,`a ceitainnew and useful Improvement i in Archimedean Screws; and Ldo hereby declare the i following tobe a full, clear, and exact description of the said invention, reference being had totheannexed drawing, making part of this specification, whereinr y Figure lis a vertical section of nl y improved Archi- Figure 2 is anelevation of the same; and

Figure 3 is asectionalplan, atthe line a: x, iig. 1.

Similar `,marks of' reference denote the same parts. In the use ofArchiniedean screws forraisingmiter yf litlicultyhas been experienced in oonsequence of ,the

lower journal and box wearing-.out rapidly, by the. gritty materials passing-into the 'same while beneath tbe water, and this is partienlarlyvthe case where thev 1 screw is employed for raising sand vand water, in gold and othermiiiing-operations. i The natur-cof my said invention consists in a tub i applied atjtlie vlower end of the screw-cylinder, and rei i vvolving with it'ior receiving the. liquid to be raised,

thereby ktyeping` theistep or lower journal clean',and

i -iree fromtater or 'gritty' particles also, in flanges and rims appli'iivd to the upper part of the screw-cylinder,

so that the water will be'delivered bya spout without i" runningjdowu the outside of the cylinder;` and lastly, in an arrangement of gearing to drive the cylinder, so,

as 'to steady and partially support the same near the l i middle part thereof.`

In the drawingf .a represents a tub, applied'around the bottom` of thecylinder k, within whichis the spiral worm or screw, as usual. i i i The cylnder la is set at an inclination, and an'openi ing is provided at the bottom, on .one side, and within the tub a,` so that the liquid or material supplied by the spout b into the tub a shall be directed into the cylinder' 7c, by the Wing a within the tub a, (see iig. 3,) assaid tub and cylinder revolve together in the direction of the arrow.

The step" or lower journal m is of any usual coustruction, and itis kept` dry and clean in consequence j sof the use of the tub a.

Theupper endof the screw k is supported by a journal and box, n, as usual, and the liquid is raised and delivered bythe revolution ofthe screw-cylinder."

g. is a dange,- around the upper' end oi the cylinder 1r, with a pendent rim, h, above the stationary-enclos' ing spout or discharge-box Ii, and around theopening ofthe same, through which the cylinder k passes, is)

a rim, t'. These parts being properly placed, the liquid,

arid other material overflowing from the cylinder'k,

falls upon the iiange g, and passes away by thes'pout E, and nothing can run back' upon the extelioriithef' n conseqiwnceof the drip-ring h and prol,

cylinder 7a, jecting rim I The pulley f is to be rotatedA by competent power,

and turns the pinion c, that is formed with a conical' port-imi, 2, taking the conical portion 3 and liange 4 ofthe bevel-gear il., These parts steady and-support the cylinder k near the middle thereof, and teeth, at

5 and o', interlocking, insureahe rotation 'of the cyliufgf"r der k bythe pulley jl The teeth 5 and 6, do nothave to bear any of the weight, as the conical surfaces sustain the saine.lv

When the screw-cylinder his of considerablelength, it may be stcadied and sustained by 'friction-rollers applied atsuitable points.

What I claim, and desire to securebyLetters' Pat-f'.

l'. The tub a, attache-dV to the lower end of the -in'- clined screw-cylinder k, and revolving with the same,

in combination with the spout b for discharging the water into said tub o, so as to keepthe'step ory jourgalmfee from'waterfand gritty substances, as specie 2, The .wing a', in combination with lthe tub w, and screw-cylinder 7c, as and for the purposes specified.

3. The dischargabox l, formed with the -rirn i, and enclosing theupper end of the inclined screw-cylinder It, iii-combination with the flange g and pendent rim h', as and for Vthe purposes specified;

4, The conical support 3, surrounding the screw- Vcylinder kfincoinbination with the conical support 2, i upon the shaft of the plley j, so as to steady and sustain the inclined screw-cylinder while being revolved,

substantially as set forth.

In witness whereof', I have hereunto set my signaf tnre, this .'.7 th day of July, A. D. 1868. i 1 A W. H. PLUMB,

, Witnesses:

Lerrone W. Samoan, Qms. H1. Sierre.

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