US755940A - Pneumatic stacker. - Google Patents

Description

PATENTED MARQZQ, 1904. A. P. au w. M RoBE-Ms. r PNBUMATIG STACKER. APPLIOATIONTILED JAN. 13, 1903.

3 SHEETS-SHEET 1- I0 IODEL.

i@ ma N o. 755,940. v PATBNTED MAR. 29,190.4..` A'

A. P. 6c W. M. ROBERTS.

PNEUMATIG STAGKER. APPLIOATION FILED nu. 1a, 190s.

3 SHEETS-SHEET 2 H0 MODEL.

INVENTORS me mams pum cu. nuo-mmm, ww.

PATRNTED MAR. 29, 1904.v M. ROBERTS. PNRUMATIG STAGKER.

A. P. '6L W APPLICATION FILED JAN. 13, 1903.

3 SHEETS-SHEET 3.

N0 MODEL.

W/YWESSE gay@ -r r. mme Pinna no. vumonnm., msx-Mmmm4 n r No. ritaglio.

UNITED v STATES atentea March 29, 19041.*

PATENT OFFICE.

ANDERSON PITT ROBERTS AND WILLIAM MARVIN ROBERTS, OF COLUMBIA,

TENNESSEE.

PNEUMATIC STAOKER.

SPECIFICATION forming part of Letters Patent No. 755,940, dated March 29, 1904.

- Application led January 13, 1903. Serial No. 138,863. (No model.)

T0 a/ZZ whom, t muy concern:

Be it known that we, ANDERSON PITT ROB- ERTs and WILLIAM MARVIN ROBERTS, citizens of the United States, residing at Columbia, in the county of Maury and State of Tennessee, have invented certain new and useful Improvements in Pneumatic Stackers, of which the following is a specication.

Ourinvention relates to pneumatic stackers such as are employed in connection with husking-machines; and it has for one of its objects to provide a construction in which the usual complicated mechanism or gearing between the drive-shaft and the tube orits support is dispensed with, a further object of the invention being to provide a mechanism wherein there will be a more direct transmission of energy from the drive-shaft to the stacker discharge-tubeand in which the operation of the mechanism will not be likely to be interfered with by flying husks or other matter.

A further object of the invention is to simplify the construction of the driving mechanism by a reduction in the number of elements composing such mechanism.

A further object of the invention is to provide a simple and efficient means for giving tothe stacker ldischarge-tube an oscillatory movement by a direct connection leading from a continuously-rotating drive-shaft.

A still further object of the invention is to provide a shifting or reversing mechanism of a simple and eflicient construction and one wherein the shifting or reversing of the discharge-tube is also accomplished by a direct connection between the said mechanism and the discharge-tube.

Other objects and advantages of the invention will be understood from the following description, taken in connection with the accompanying drawings.

Heretofore in the construction of pneumatic stackers there has in most instances, if not all, been employed numerous shafts and connections united and operated through the instrumentality of beveled gears and pinions orl their equivalents; but it will be noted in the present instance that the driving mechansim is composed of a single drive-shaft and leading therefrom a direct connection, there being shown a cable-drive to oscillate the tube, all gears and v pinions being entirely omitted as far as the oscillation of the discharge-tube is concerned. It has also been found in most instances, if not all, that the tripping or reversing `of the tube has been accomplished through the medium of one lever coacting with another or through the medium ofbellcrank levers, while in the present instance the shifting or reversing mechanism is carried by the drive-shaft, a direct connectionor a single lever leading therefrom to and actuated by the discharge-tube. Where numerous shafts and gears are employed, the transmission of energy is more or less retarded and reduced in power, for the reason that the energy in taking irregular-or whaty might be termed 5 rightangular directIons loses energy, while in the present instance vby our direct connections-that is, one direct connection between the driving mechanism and the tube for oscillation purposes and another direct connection for reversing the direction of movement of the tube to permit of its oscillation-energy as regards the oscillation and reversing of the discharge-tube is neither retarded `nor reduced, the construction greatly simplied, hence a more economical and compact arrangement,wit h less liability of derangement of the driving mechanism. p y

In the drawings forming a portion of this specification, and in which like numerals of reference indicate similar parts in the several Views, Figure l is a perspective -view illustrating a stacker discharge tube equipped with the present invention. Fig. 2 is a transverse section through the stacker-tube above the turn-table or tube-support and showing the winding-drums and the shifting-clutch` means for the discharge-tube. Fig. 6 is a vertical sectional view of the master-wheel or support, illustrating a modified connection of the cable-drive thereto.

Referring now to the drawings, there is 'shown a portion of the frame 1() of a huskingmachine, on which is mounted the fan-casing 11, having a fan 12 therein, and from which casing leads the.upwardly-directed spout 13, through which the husks pass from the casing into the discharge-tube. At the outer end of the frame 10 is the platform 14, having an opening 15, in which is secured the plate 16, having a flange 17, and in which opening engages the upper end of the spout 13.

The stacker discharge-tube 18 rises from a turn table or revolving support 19 in the form of a circular plate having a depending ange 20, which [its over the flange 17 and is spaced slightly therefrom, so that bearingballs 21 may be held between the two flanges and rest upon the plate 16 while supporting the turn-table or support 19. These balls thus prevent lateral displacement and give a lateral bearing for the turn-table or support in addition to supporting the latter.

The turn-table or support 19 has a central opening which is surrounded by the ange 22, which in turn has a ange 23 at its upper edge, so that the flange 22 is in reality a drum to receive the actuating-cable 24, hereinafter described, the ange or drum receiving the lower end of the discharge-tube, which is secured firmly thereon, so that as the turntable or support is oscillated similar movement will be given to the discharge-tube. To hold the turn-table or support down upon its bearings, idlers 25 are provided and are mounted upon stub shafts 26, carried by brackets 27, which are mounted upon the platform 14 in position to hold the idlers against the upper face of the turn-table. By thus holding the turn-table against upward movement tilting of the discharge-tube is prevented.

Upon the platform 14 are provided bearings 28, in which is journaled a drive-shaft 29 for actuating the discharge-tube, and this drive-shaft has a pulley 30 at one end which receives a belt 31, leading to a pulley 32 on the shaft 33, from which the fan 12 is driven, so that the fan-shaft and the discharge-tube drive-shaft may be operated one from the other, it being understood, however, that the drive-shaft may be rotated from any suitable source.

Upon the drive-shaft 29 are loosely mounted winding- drums 35 and 36, which are free to rotate upon the shaft, but are held against longitudinal movement thereof, and on the mutually adjacent faces of these windingdrums are formed clutch members 37 andv 38. Upon the drive-shaft between the two clutch or winding drums is mounted a sleeve 39, which is splined to the shaft so that it may be shifted longitudinally thereof and rotated with the shaft, the ends of the sleeve 39 having clutch-faces 40 and 41 for alternate engagement with the clutches of the windingdrums, respectively, as the sleeve is shifted longitudinally. Thus it will be seen that if the drive-shaft is continuously rotated and the clutch-sleeve is shifted longitudinally first in one direction and then the other first one winding-drum and then the other Will be engaged with or connected to the shaft for rotation thereby. The winding- drums 35 and 36 are anged, as shown, and are provided with a hood or casing 42, (shown in dotted lines in Fig. 3,) it being obvious that the hood may extend entirely over the shaft and other mechanism, and through one flange 'of each drum is formed a perforation in which is engaged one end of a cable 24, the bight portion of which is wound upon the central flange or drum of the turn-table or support and secured thereto through the perforations 44 and 44, as shown, there being a sufficient number of windings of the cable on the last-named drum to insure sufficient friction to cause the drum to rotate when the cable is drawn therefrom in either direction. sleeve, a lever 45 is provided and is mounted at its outer end to the bracket 46, which is attached to the platform or table 14, said lever having a lug 47 on its upper face, which lies between the spaced circumscribing flanges 48 and 49 of the sleeve 39, so that when the lever is moved in either direction the sleeve 39 will be correspondingly shifted. The lever 45 extends beneath a keeper or guide 50, secured upon the platform 14, and into path of movement of two pins or strikers 51 and 52, which depend from the turn-table or support 19 at diametrically opposite points of the latter, it being seen that the strikers may be interchangeable with the several perforations formed in the turn-table or support for permitting different degrees of reverse movement of the latter. Pivoted to the keeper 50 is a rod 53, the opposite end of which is passed loosely through a lug 54 on the shifting-lever between the keeper or guide and the point of engagement of the strikers, and upon this pivoted rod is disposed a helical spring 55, which presses against the lug and the enlarged head of the rod and acts to hold the lever yieldably at whichever limit of lateral movement it be placed. It will thus be seen that if the drive-shaft be rotated continuously that that winding-drum which is clutched thereto will be rotated to wind thereon the connected end of the cable to give to the stacker-tube and its support a corresponding rotary movement. This direction of movement or rotation of the stacker-tube will be continued until a striker is brought into engagement with the shifting-lever and has moved the latter beyond the point of pivotal mounting of the rod which has been placed under tension by the To shift the clutch- IOO IIO

i-n-itial movement of the lever and will act to throw the lever to the opposite limit of its' movement and engage the clutch-sleeve with the opposite winding-drum on the drive-shaft, atthe' same time disengagingv the sleeve from the first winding-drum. The ,Second windingdrum will then be caused to rotate with the shaft, while the iirst winding-drum is free to rotate on the shaft, and in consequence the opposite end of the cable will be wound up and the cable will be drawn from the drum of the discharge-tube to rotate the same in opposite direction, it being noted that the cable is wound in opposite planes alternately. It will also be seen that the shifting of the clutch-sleeve is automatic. Hence by continuously rotating the drive-shaft the discharge-tube will be oscillated.

In Fig. 5 there is shown a modification of the mounting of the lower end of the stackertube in which there is employed a base-plate 60, which is bolted or otherwise secured to the platform 14 andV through which is a central opening 61, which receives the lower end of the stacker-tube, the lower end of the tube having aiiange 62, which engages against the under side of the platform and prevents upward movement and tilting of the stackerdrum 64, which receives the operating-cable 24 for oscillating the stacker-tube. 1t will be noted that the winding-drum 64 is formed integral with the ange 63, it being understood, however, that this ange and its winding-drum might be formed in separate pieces.

It will be noted in our modified form of invention, particularly as regards the mounting of the discharge-tube, that the latter extends beneath the under surface of the platform 14 and upward movement thereof is prevented by the collar or flange 62, while in the first-described form the discharge-tube is mounted directly upon the drum ofthe support, turntable, or, as it is sometimes called, the master#wheel. It will also be noted that the plate has an upwardly-directed iiange 65 and that the iiange 63 has a depending flange 66 iitting around the flange 65, but slightly spaced'therefrom, and bearing-balls 67 disposed between the said flanges to prevent lateral displacement and permit of easy oscillationof the stacker-tube. It will further be understood that the flange 63 is, like the sup- I flange -that undue wabbling of the stackertube in the absence of the bearing-balls might be prevented.

As illustrated in Fig. 6 of the drawings,-the

cable 24 for turning the master-wheel or tube#` support may be formed in sections, one end of each section being connected to the pulleys 35 and 36 (see Fig. 1) with each opposite end thereof knotted or otherwise secured in the perforations 44 and 44a, as clearly shown in Fig. 6.

Itis to be understood that our invention is subject to changes in forms and proportions, and modifications may be subsequently resorted to in the embodiment of our invention to which we consider ourselves entitled in so far as we do not depart from =the spirit and scope of our invention.

Te claim-4 1. A stacker provided with an oscillatory tube,a driving mechanism consisting of a single-drive-shaft rotating continuously in one direction, a reversing mechanism carried by the drive-shaft, and a direct connection between the driving mechanism and the tube for IOO for reversing the movement of the latter, and

another direct connection between the driving mechanism and the tube for oscillating the latter.

4. A stacker provided with an oscillatory tube, a driving mechanism consisting of a single drive-shaft rotating continuously in one direction and carrying a reversing mechanism, and a direct connection between the re- -versing mechanism and the tube for reversing the movement of the latter.

5. A stacker provided with an oscillatory tube, a driveshaft rotating continuously in IIO one direction, a direct connection between the tube for oscillating the latter, and means for reversing the movement of the tube.

6. A stacker provided with an oscillatory tube, a driving mechanism consisting of a single drive-shaft rotating continuously in one direction, and a direct flexible connection between the shaft and the tube for oscillating the latter.

7. A stacker provided with an oscillatory tube, a driving mechanism consistingof a single drive-shaft rotating continuouslyin one direction, a iieXible connection between the drive-shaft and the tube for oscillating the latter, and means for automatically reversing the movement of the tube.

S. A stacker provided with an oscillatory tube, a driving mechanism consisting of a single drive-shaft rotating' continuously in one direction, a direct flexible connection between the drive-shaft and the tube for oscillating the latter, and another direct connection between the driving mechanism and the tube for reversing the movement of the tube.

9. A stacker provided with an oscillatory tube, a drive-shaft rotating continuously in one direction and carrying a reversing mechanism and driving members, and a direct connection between the driving members and the tube for oscillating the latter.

10. A stacker provided with an oscillatory tube, a drive-shaft rotating continuously in one direction and carrying a reversing mechanism and driving members, a direct connection between the driving members and the tube for oscillating the latter, and means for automatically actuating the reversing mechanism.

11. A stacker provided with an oscillatory tube, a driveshaft rotating continuously in one direction and carrying a reversing mechanism and driving members, and a direct flexible connection between the driving members and the tube for oscillating the latter.

12. A stacker provided with an oscillatory tube, a drive-shaft carrying driving members, an automatically-arranged reversing mechanism disposed between the said members and communicating with said tube by a direct connection, and a direct fiexible connection between the driving members and the tube for oscillating the latter.

13. A stacker provided with an oscillatory tube, adrive-shaft carrying reversing mechanism and driving members, said reversing mechanism being in direct communication with the tube and placed under tension during the oscillation of the latter, and a direct connection between the driving members and the tube for oscillating the latter.

14.. A stacker provided with an oscillatory tube, a driveshaft rotating continuously in one direction and carrying a reversing mechanism and driving members, a direct flexible connection between the driving members and the tube for oscillating the latter, and means carried by the tube for actuating the reversing mechanism.

15. A stacker provided with an oscillatory tube, a drive-shaft carrying a reversing mechanism and driving members, a direct connection between the driving members and the tube for oscillating the latter, and another direct connection between the driving mechanism and the tube for reversing the movement thereof.

16. A stacker provided with an oscillatory tube, a driving mechanism consisting of a single drive-shaft rotating continuously in one direction and carrying driving members, a reversing mechanism mounted upon the shaft between said driving members and adapted to alternately engage said members, and a direct connection between the reversing mechanism and the tube for reversing the movement of the latter.

17. A stacker provided with an oscillatory tube, a driving mechanism consisting of a single drive-shaft rotating continuously in one direction and carrying driving members, a direct connection between the driving members and the tube for oscillating the latter, a reversing mechanism mounted upon said shaft between the said driving members and adapted to alternately engage said members, and a direct connection between the reversing mechanism and the tube for reversing the movement of the latter.

18. A stacker provided with an oscillatory tube, a driving mechanism consisting of a single drive-shaft rotating continuously in one direction and carrying driving members, a reversing mechanism mounted upon said shaft and automatically actuated, and a direct .flexible connection between the driving members and the tube for oscillating the latter.

19. A stacker provided with an oscillatory tube, a driving mechanism consisting of a shaft and driving members carried thereon, a reversing mechanism mounted upon said shaft between said driving members and adapted to alternately engage said members, and a direct connection between the reversing mechanism and the tube for reversing the movement of the latter.

20. A stacker provided with an oscillatory tube, a drive-shaft having direct connection with the tube for oscillating the latter, and means for automatically reversing the movement of the tube.

21. A stacker provided with an oscillatory tube, a drive-shaft, a reversing mechanism mounted on the shaft and having direct communication with the tube, and a direct flexible connection between the shaft and the tube for oscillating the latter, said flexible connection in its operation being wound upon its said connecting members in opposite planes.

22. A stacker provided with an oscillatory tube, a drive-shaft, driving members mounted upon the shaft, means for clutching the driving members alternately to the shaft, and a single means connected with both driving members and to the tube for movement by the driving members to oscillate the tube.

23. A stacker provided with an oscillatory tube, a drive-shaft, winding-drums mounted loosely upon the shaft and having clutch members, a cable arranged with the tube and attached to the winding-drums to be wound thereon alternately, and a clutch-sleeve splined on the shaft and adapted to engage with the said clutch members of the drums interchangeably.

IOO

IIO

24. A stacker provided with an oscillatory tube having a drum, a drive-shaft having winding-drums mounted loosely thereon, a iexible connection wound upon the drum of the stacker-tube and attached at its ends to the winding-drums, and means for clutching the winding-drums alternately to the shaft.

25. A stacker provided with an oscillatory tube, a drive-shaft, a direct flexible connection between the shaft and tube, and means actuated by movement of the tube for reversing the direction of movement of the iieXible connection.

26. A `stacker provided with an oscillatory tube, a drive-shaft, a direct flexible connection between the shaft and the tube, and means for automatically reversing the direction of movement oi the flexible connection for oscillating the tube.

27. A stacker provided with an oscillatory tube, a drive-shaft, winding-drums mounted loosely upon the shaft, a cable engaged with the stacker-tube and attached to the windingdrums, and means actuated by movement of the stacker-tube for'clutching the windingdrums alternately to the shaft.

28. A stacker providedwith an oscillatory tube, a revolving support for the tube, a driveshaft carrying a reversing mechanism and driving members, said reversing mechanism having direct connection with the tube-support and actuated thereby, and a direct connection between the said driving members and the tube for oscillating the latter.

29. A stacker provided with an oscillatory tube, a revolving support for the tube, said support having projections depending from its under surface, a drive-shaft carrying a reversing mechanism and driving members, said reversing mechanism having direct connection with the tube-support and actuated by the said projections, and a direct flexible connection between the driving members and the tube for oscillating the latter.

30. A stacker providedv with an oscillatory tube, a drive-shaft carrying winding-drums loosely mounted thereon, and a sectional iieXible connection between the winding-drums and the tube for oscillating the latter.

31. A stacker provided with an oscillatory tube, a driving mechanism consisting of a single shaft having driving members loosely mounted thereon, a two-part connection between the tube and the driving members for oscillating the tube, and means actuated by the movement of the stacker-tube for reversing the direction of movement thereof.

In testimony whereof we aHiX our signatures in presence of two witnesses.

ANDERSON PITT ROBERTS.

WILLIAM MARVIN ROBERTS. Witnesses:

W. J. GroAD,

W. E. SMITH.

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