US1083079A

US1083079A - Cotton-picker.

Info

Publication number: US1083079A
Application number: US75100713A
Authority: US
Inventors: Emil Gathmann
Original assignee: Individual
Current assignee: Individual
Priority date: 1913-02-27
Filing date: 1913-02-27
Publication date: 1913-12-30
Anticipated expiration: 1930-12-30

Description

..E. GATHMANN.

COTTON PIGKER. APPLICATION FILED FEB.27, 1913.

I Patented Dec. 30, 1913.

3 SHEETS-SHEET 1.

E. GATHMANN. COTTON PIOKER. APPLIGATION rum rmmv, 1913.

3 SHEETS-SHEET Z.

Z G-g2 Q F (1 (B m a Z I f g d {B J 7Zz Z nesse fiverz/ Patented Dec. 30, 1913.

E. GATHMANN. COTTON PICKER.

APPLICATION FILED PEB.27, 1913. 7 1,083,079. Patented Dec. 30, 1913.

v 3 SHEETS-SHEET 3. 229 J ITED STATES EMIL. GA'lI-IMANN, OF BALTIMORE, MARYLAND.

COTTON-PICKER.

Specification of Letters Patent.

Application filed February 27', 1913.

Patented Dec. 30, 1913.

Serial No. 751,007.

To all whom it may concern:

Be it known that I, EMIL GATHMANN, a citizen of the United States, residing in the city'of Baltimore and State of Maryland, have invented certain new and useful Improvements in Cotton-Pickers, of which the following is a specification...

My invention relates to cotton pickers of the class in which pneumatic means is employed 'for detaching the. cotton. fromtheboll and for conveying it to a suitable receptacle.

It has been found in practice that while pneumatic .means is eflicient for conveying the detached cotton, it cannot always be relied on alone to detach the cotton to enable it to be thus conveyed, and various mechanical devices have been suggested for cooperating with the pneumatic means for so dislodging or detaching the cotton in the boll that it may then be completely withdrawn therefrom and conveyed away.

My invention consists in certain improvements in combined mechanical and pneumatic devices for dislodging or detaching the cotton in the boll for withdrawing it therefrom and for conveying it to a suitable receptacle, and it involves a rotary nozzle having on the interior of its mouth a spirally arranged rib which engages the cotton and draws it into the nozzle while the latter is rotating. The rib may be and preferably is provided with teeth to assist in the operation and preferably the mouth of the nozzle is made to flare in order to cover the entire boll and then compress the cotton prior to its entry into the pneumatic conveying tube. Other features of my invention will be hereinafter described.

In the drawings: Figure 1 shows a side elevation of the nozzle of a pneumatic cotton picker, embodying my improvements, coupled to a conveyer tube. Fig. 2 shows a top plan view thereof. Fig. 3 shows: a vertical central section on the line 3-3 of Fig. 2. Fig. 4 shows a transverse section on the line H of Fig. 3. Fig. 5 shows a side elevation of the nozzle proper detached from its coupling. Fig. 6' is a view, partly in elevation and partly in sect-ion, showing a modification of my invention in which the spiral rib is notched and provided with teeth. Fig. 7 is a perspective view of the nozzle looking into. its: mouth. Fig. 8 shows a lon gitudinal central section through a nozzle, 1ts coupling and a part of a conveyer tube, 1 and illustrates a modification of the nozzle in which the mouth is made straight or icylindrical instead of being flared. Fig. 9 is a view on an enlarged scale and in section on the line 99 of Fig. 8. Fig. 10 shows a modification in which the outer end of the nozzle is made of sheet metal and is detaohably connected with the inner end and in which the ribs are formed by bending the .;sheet metal spirally. It also shows such ribs provided with teeth. Fig. 11 shows the sheet metal outer end of the nozzle detached from the inner portion thereof. Fig. 12 shows a section on the line 12'12 of Fig. 11. Fig. 13 is a detail view of a sheet metal nozzle mouth in which the ribs are omitted but wherein the interior of the mouth is provided with spirally arranged teeth. Fig. 14: shows an elevation of the nozzle shown in Fig. 13' looking into. the interior thereof. Fig. 15 shows a sectional detail in which 1 spirally arranged teeth are inserted in the mouth of the nozzle.

An essential feature of the invention is that the mouth of the rotary nozzle shall have devices arranged spirally within it which operate to dislodge the cotton from ;the boll and direct it inward toward the i; conveyer tube. In Figs. 1 to 5 of the drawings I have shown these features of my invention embodied in a construction in which 4 the conveyer tube A is attached in any suitable way to a coupling B which has a socket b to. receive the stem 0 of the rotary nozzle C. This stem 0 is formed with an inner annu- 1ar flange c which bears against the cylin- I drical wall of the socket and also against the rear end thereof. Said stem is also formed with a front or outer flange 0 which bears 1 against the front or outer end of the socket. j In rear of the flange 0 there is a cylindrical 1 bearing portion 0 within the socket b. Any isuitable means may be employed for lubri- L eating the bearings; preferably grooves ol 3 are formed on the flange c and on the hearing portions 0 to receive graphite or other 1 suitable lubricant.

The nozzle is held in its socket by a screw D, fitting an opening in the socket wall and carrying a roller 03 bearingagainst the flange c. The outer end of the nozzle, shown in Figs. 1 to 5, is made to. flare outward, thus producing a flaring mouth which receives the cotton from the boll and the interior of this month is formed with a spiral rib e and a corresponding spiral groove 6 directed inward so that the cotton when engaged by the rib will be drawn inward and moved into the conveyor tube. Apertures are provided at e to admit air and assist in drawing the cotton into the nozzle and conveying it through the tube. In order to impart a rotary motion to the nozzle, I preferably attach to its inner portion within the coupling a spur wheel F, meshing with a pinion f on a shaft G connected with a flexible shaft H, driven in any suitable way. Preferably the pinion is inclosed in a housing I, detachably secured to the coupling as shown. By this construction a rotary motion can be given to the nozzle which by the hands of the operator may be placed over the cotton bolls (in the manner indicated in Fig. 6) and the combined action of the spiral rib and the pneumatic suction will cause the cotton to be dislodged, withdrawn from the boll and then forced and drawn into the conveyer tube whence it passes to any suitable receptacle.

In Figs. 6 and 7 is shown a construction similar to that shown in Figs 1 to 5, but in this case I form notches Z in the rib producing corresponding teeth Z which assist in obtaining a good hold on the cot-ton when the nozzle is applied thereto.

In Figs. 8 and 9, a construction is shown which is similar in all respects to that hereinbefore described except that the outer end or mouth of the nozzle instead of being flared is made straight or cylindrical. In this case also the rib is spirally arranged and it is provided with teeth.

In Figs. 1 to 9 of the drawings, the outer end of the nozzle is shown as being made integral with the inner portion thereof, but as the month end of the nozzle is subjected to considerable wear it may be desirable to make this portion separately and provide means for detachably connecting it with the inner or driven portion. Figs. 10 to 12 show how this may be done. In these figures the outer end or mouth portion of the nozzle is shown as being made of sheet metal and it is detachably connected with the inner portion of the nozzle at 6 The rib 6 may be produced by bending the metal in the manner shown to give to the rib a spiral formation and the rib may be notched at e to form teeth between the notches, asindicated. The apertures for the admission of air are in this instance shown as being formed in the inner portion of the nozzle and extending in an inclined direction to the passage of the nozzle which connects with the conveyer tube, otherwise the construction is the same as that hereinbefore described.

vide the mouth of the nozzle with a spirally arranged series of teeth T, as indicated in Fig. 13. These can readily be formed from the sheet metal of the nozzle mouth in the manner indicated. I may also instead of producing the teeth T in the manner shown in Figs. 13 and 14 form them separately and attach them to the nozzle in the manner shown in Fig. 15. V

By my improvements devices are provided which act mechanically on the cotton and in cooperation with the pneumaticsuction to withdraw the cotton from the boll, and these devices are self-cleaning and there. is no danger of the cotton being tangled in such devices and suspending their operation, especially when the mouth of the nozzle is formed with the spiral rib hereinbefore described. The conveying tubes may be connected with any suitable stationary or movable pumping apparatus and such pumping apparatus may be provided with any desired number of conveying tubes connecting with nozzles which may be operated by any desired number of attendants.

I claim as my invention 1. A rotatable nozzle for pneumatic cotton pickers, having its mouth formed with a spiral rib having a plurality of connected convolutions for engaging the cotton, dislodging it from the boll and directing it inwar 2. A rotatable nozzle for pneumatic cotton pickers, having its mouth formed with a spiral toothed rib having a plurality of connected convolutions for engaging the cotton, dislodging it from the boll and directing it inward.

3. A rotatable nozzle for pneumatic cotton pickers, having a flaring mouth formed with a spiral rib for engaging the cotton, dislodging it from the boll and directing it inwar i 4. A rotatable nozzle for pneumatic cotton pickers, having a flaring mouth provided with teeth arranged spirally for engaging the cotton, dislodging it from the boll and directing it inward.

5. A nozzle for pneumatic cotton pickers, comprising an inner portion adapted to be connected with a conveyer tube and provided with means for rotating it, and an outer portion detachably connected with the inner portion and provided with a plurality of convolutions of connected spirally arranged rotatable means for engaging the cotton, withdrawing it from the boll and directing it inward.

6. A nozzle for cotton pickers, comprising an inner driven portion adapted to be conneeted with a conveyer tube, and an outer In testimony whereof, I have hereunto portion made of sheet metal detaohably consubscribed my name.

nected with the outer portion and provided with a, plurality of connected convolutions EMIL GATHMANN' 5 of spirally arranged rotatable means for Witnesses:

Withdrawing cotton from the boll and di- ALEXANDER CoXE GROOME,

recting it inward, MARY MEWSHAW.

Copies of this patent may be obtained for flv e cents each, by addressing the Commissioner of latents, Washington, D. G.