US786071A - Straw-stacker. - Google Patents

Straw-stacker. Download PDF

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Publication number
US786071A
US786071A US22311804A US1904223118A US786071A US 786071 A US786071 A US 786071A US 22311804 A US22311804 A US 22311804A US 1904223118 A US1904223118 A US 1904223118A US 786071 A US786071 A US 786071A
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Prior art keywords
casing
fan
stacker
trunk
straw
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Expired - Lifetime
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US22311804A
Inventor
Edward J Vraalstad
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BUFFALO PITTS Co
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BUFFALO PITTS Co
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Priority to US22311804A priority Critical patent/US786071A/en
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Publication of US786071A publication Critical patent/US786071A/en
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    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01M—CATCHING, TRAPPING OR SCARING OF ANIMALS; APPARATUS FOR THE DESTRUCTION OF NOXIOUS ANIMALS OR NOXIOUS PLANTS
    • A01M9/00—Special adaptations or arrangements of powder-spraying apparatus for purposes covered by this subclass
    • A01M9/0007—Pneumatic dusters
    • A01M9/003—Pneumatic field dusters, e.g. self-propelled, drawn or tractor-mounted

Definitions

  • the objects of my invention are to avoid using the fan-shaft as the pivot for the laterally-movable stacker and to enable the latter to be turned without moving the fan-casing.
  • Figure 1 shows in side elevation a portion of athreshin g-machine with my improved stacker.
  • Fig. 2 is an enlarged plan view with parts broken away.
  • Figs. 3 and 4 are respectively crosssectional views on lines 3 3 and 4 4, Fig. 2.
  • Fig. 5 is a plan "low in skeleton form.
  • 1 designates the fan-casing suitably mounted relatively to the thresher, so as to receive the straw and chaff through its central eye or opening 2.
  • the casing is mounted fan 3, whose shaft is supported by bridge-tree 4: and is driven by any suitable means as customary in this class.
  • the fan-casing is stationary, and for a considerable distanoesay a little more than onethird of its circumference-the encircling wall of the casing is cutaway to form the discharge-outlet 5 into the trunk 6 of the stacker or elevator 7.
  • This trunk carries at its inner end a part-cylindrical casing 7*, formed on a slightly-greater radius than the fan-casing 1, which it is designed to partly encircle for a distance approximately two -thirds the circasing.
  • the trunk-casing 7 is curved so as to fit closely against the circumferential wall of the fan-casing, being guided in its movements by upper and lower grooved ways 8, secured to the top and bottom of the fan- It is further held to the fan-casing and guided in its axial movements thereon by rollers 9, fitting in upper and lower retainingtracks 10, attached to the top and bottom of the fan-casing 1, such rollers being mounted in the ends of overlapping brackets 12, secured to the trunk-casing. In this way the latter is always held sufficiently tight against the nonrotary fan-casing and is yet free to be swung from side to side by any suitable means.
  • the combination with a threshing-machine, of a pneumatic elevator and stacker comprising a fan, a shaft therefor, a stationary casing inclosing the fan having a dischargeopening, and a second casing to which the stacker-trunk is secured adjustable concentrically to the fan and its casing but independently of the fan-shaft.

Description

No. 786,071. PATENTED MAR. 28, 1905. E. J. VRAALSTAD.
STRAW STAGKER.
APPLICATION FILED SEPT. 2. 1904.
2 SHEETS-SHEET 1.
nomdoz No. 786,071. PATENTED MAR. 28., 1905.
' B. J. VRAALSTAD.
STRAW STAGKER.
APPLICATION FILED BEPT.2, 1904.
2 SHEETS-SHEBT 2.
gnwufoz 1' witnasouo Queen,
UNITED STATES Patented March 28, 1905.
PATENT OEEIcE.
EDIVARD J. VRAALSTAD, OF BUFFALO, NEW YORK, ASSIGNOR TO BUFFALO PITTS COMPANY, OF BUFFALO, NEIV YORK, A (JOB- PORATION OF NEIV YORK.
STRAW-STACKER.
SPECIFICATION forming part of Letters Patent No 786,071, dated March 28, 1905.
Application filed September 2, 1904. Serial No. 223,118.
To all wit/mt 7'15 may concern.-
Be it known that I, EDWARD J. VRAALSTAD, of Buffalo. in the county of Erie and State of New York, have invented certain new and useful Improvements in Straw-Smokers; andI do hereby declare the following to be a full, clear, and exact description of the invention, such as will enable others skilled in the art to which it appertains to make and use the same.
In that class of pneumatic straw and chafl' elevators and stackers wherein the stacker is pivoted concentrically with the fan, so as to be swung from side to side, the fan-shaft has heretofore formed the pivot on which the structure turns. Then, too, it has been necessary to turn the fan-casing as a whole in the swinging of the stacker from side to side.
The objects of my invention are to avoid using the fan-shaft as the pivot for the laterally-movable stacker and to enable the latter to be turned without moving the fan-casing.
The invention will be hereinafter fully set forth, and particularly pointed out in the claims.
In the accompanying drawings, Figure 1 shows in side elevation a portion of athreshin g-machine with my improved stacker. Fig. 2 is an enlarged plan view with parts broken away. Figs. 3 and 4 are respectively crosssectional views on lines 3 3 and 4 4, Fig. 2. Fig. 5 is a plan "low in skeleton form.
Referring to the drawings, 1 designates the fan-casing suitably mounted relatively to the thresher, so as to receive the straw and chaff through its central eye or opening 2. VVithin the casing is mounted fan 3, whose shaft is supported by bridge-tree 4: and is driven by any suitable means as customary in this class. The fan-casing is stationary, and for a considerable distanoesay a little more than onethird of its circumference-the encircling wall of the casing is cutaway to form the discharge-outlet 5 into the trunk 6 of the stacker or elevator 7. This trunk carries at its inner end a part-cylindrical casing 7*, formed on a slightly-greater radius than the fan-casing 1, which it is designed to partly encircle for a distance approximately two -thirds the circasing.
cumference thereof, to the end that the stacker may be swung from side to side and always maintain communication with the interior of the fan-casing. The trunk-casing 7 is curved so as to fit closely against the circumferential wall of the fan-casing, being guided in its movements by upper and lower grooved ways 8, secured to the top and bottom of the fan- It is further held to the fan-casing and guided in its axial movements thereon by rollers 9, fitting in upper and lower retainingtracks 10, attached to the top and bottom of the fan-casing 1, such rollers being mounted in the ends of overlapping brackets 12, secured to the trunk-casing. In this way the latter is always held sufficiently tight against the nonrotary fan-casing and is yet free to be swung from side to side by any suitable means.
It will be noted from what has been said that the line of discharge from a stacker or elevator is readily controlled by the axial turning of the trunk-casing on the fan-casing and that by reason of my invention not only is the weight of the stacker removed from the fan-shaft, but as less weight is involved its turning may be accomplished with greater ease than heretofore. The range of movement of the stacker is limited by the length of the retaining-tracks, which are about coextensive with the discharge-opening of the fan-casing.
The advantages of my invention will be at once apparent to those skilled in the art to which it appertains.
I claim as my invention 1. The combination with a threshing-machine, of a pneumatic elevator and stacker comprising a fan, a shaft therefor, a stationary casing inclosing the fan having a dischargeopening, and a second casing to which the stacker-trunk is secured adjustable concentrically to the fan and its casing but independently of the fan-shaft.
2. The combination with a threshing-machine, of a pneumatic elevator and stacker comprising a rotary fan and shaft therefor, a stationary circular casing for said fan having in its side an extended discharge-opening, and
a second circular casing to which the stackertrunk is secured, said second casing partly surrounding and adjustable axially on the stationary fan-casing and designed at all times to extend over a portion or portions of said discharge-opening.
3. The combination with the fan and its circular casing, the latter having a dischargeopening, of the trunk, and means axially mounted on and partly surrounding the fancasing, permitting it to be turned axially thereon, said discharge-opening being always in line with said trunk.
42. The combination with the circular fancasing having a discharge-opening therein and upper and lower guides, of the stackertrunk, a second casing to which the trunk is secured encircling a portion of the fan-casing and working in said guides, a portion or portions of such trunk-casing always extendingover said discharge-openin 5. The combination with the circular fancasing having a discharge-opening therein and upper and lower guides, of the stackertrunk, a second casing to which the trunk is secured encircling a portion of the fan-casing and working in said guides, upper and lower retaining-tracks secured to the top and bottom of said fan-casing, and brackets carried by the trunk having rollers fitted in said retaining-tracks.
In testimony whereof I have signed this specification in the presence of two subscribing witnesses.
EDWARD J. VRAALSTAD.
Witnesses:
M. J. TODD, G. L. PRENTICE
US22311804A 1904-09-02 1904-09-02 Straw-stacker. Expired - Lifetime US786071A (en)

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US22311804A US786071A (en) 1904-09-02 1904-09-02 Straw-stacker.

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US22311804A US786071A (en) 1904-09-02 1904-09-02 Straw-stacker.

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