US577038A - Seymour johnson - Google Patents

Seymour johnson Download PDF

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US577038A
US577038A US577038DA US577038A US 577038 A US577038 A US 577038A US 577038D A US577038D A US 577038DA US 577038 A US577038 A US 577038A
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harrow
tooth
johnson
barrow
seymour
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    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01BSOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
    • A01B23/00Elements, tools, or details of harrows
    • A01B23/02Teeth; Fixing the teeth

Definitions

  • My invention relates to improvements in harrows, its object being principallyto provide an improved construction of harrow whereby the saine can be converted at will ro from an ordinary vertical-tooth to a slanting-- tooth or smoothing harrow.
  • Figure l is a plan view of myimproved harrow.
  • Fig. 2 is a side elevation of the same with the teeth standin g in vertical position.
  • Fig. 3 is a similar view 2o with the teeth standing in slanting position.v
  • Figs. 4 and 5 are similar detail elevations of a portion of the barrow-beam and connected tooth, showing the relative positions the tooth assumes when the harrow is drawn as indiz 5 cated in the drawings by the arrows.
  • Fig. 6 is an end view of Fig. 5, looking from left to right.
  • Fig. 7 is avertical cross-section of the tooth-fastening or socket-band; and
  • Figs. 8 and 9 are partial details of one of the harrow- 30 beams, showing the depression to receive the boss on the socket-band.
  • the harrowA is made up of a series of barrow-beams B, connected together by means of suitable cross braces or arms 2.
  • the barrow-beams are formed of straight parallel bars 3, having at one end the loop 4. These beams are preferably arranged so that the loops at opposite ends of the harrow are upon alternate beams, the draft-bar or evener 5 being secured to the loops at one end by clevises 6.
  • my improved toothsocket bands or fastenings C Arranged at suitable distances apart upon the .harrow beam are my improved toothsocket bands or fastenings C. These are preferably of the shape shown in Figs. 4 and 5, provided with the horizontal opening 7, through which passes the barrow-beam.
  • the upper and lower walls of the opening 7 are both formed with the corresponding beveled 5o faces 8 8 and 9 9, the faces 8 8 being inaplane at right angles with the vertical tooth-opening l() and the faces 9 9 at an acute angle with reference to the opening.
  • the socket-bands C may be easily slipped in place upon the harrowbeam by springing the bars of the beam toward each other until the boss upon tho socket-band comes into contact with the depression in the beam, the socket-band when in place turning upon the boss as a bearing.
  • the evener is attached as illustrated in Fig. 2, the pressure of the soil against the teeth holding them in vertical position.
  • the evener is attached to the opposite end of the harrow, as shown in Fig. 3, so that the pressure of the soil will cause the teeth to turn to a slanting position, with the barrow-beam bearing upon the faces 9 9 of the opening '7.
  • a harrow the combination with the harrow-beam, composed of parallel bars, of the tooth-holder provided With a longitudinal opening to receive the beam, and a centralvertical opening to receive the barrow-tooth, and the pivotal connection between said holder and beam, consisting of a boss or projection upon one engaging a socket in the other, said tooth when inserted in place between the parallel bars holding the same forced outward against the sides of the holder, and preventing slipping by reason of the pivotal connection, said bars being adapted to be sprung together when the tooth is removed to disengage the holder and beam.

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  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Soil Sciences (AREA)
  • Environmental Sciences (AREA)
  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)

Description

(No Model.) 2 sheets-sheen 1.
s. JOHNSON. HARROW.
16.577,038.' Patented Peb. 16, 1897;
(No Model.) 2 sheetsfsneet 2,
s. JOHNSON.
` HARROW. 7 N0. 577,038. A A Patented Fe-b. 16, 1897.
`UNITED STATES PATENT OFFICE.
SEYMOUR` JOHNSON, OF AUSTIN, MINNESOTA, ASSIGNOR OF ONE-HALF TO ALBERT M. SMITH, OF SAME PLACE.
HARROW.
SPECIFICATION forming part of Letters Patent No. 577,038, dated February 16, 1897. Application led January 16, 1896. Serial Nol 575,724. (No model.)
To @ZZ whom t may concern:
Be it known that I, SEYMOUR JOHNSON, of Austin, Mower county, Minnesota, have invented certain Improvements in Harrows, of
5 which the following is a specification.
My invention relates to improvements in harrows, its object being principallyto provide an improved construction of harrow whereby the saine can be converted at will ro from an ordinary vertical-tooth to a slanting-- tooth or smoothing harrow.
To this end my invention consists in the improved construction and arrangement hereinafter particularly described and claimed.
In the accompanying drawings, forming part of this specication, Figure l is a plan view of myimproved harrow. Fig. 2 is a side elevation of the same with the teeth standin g in vertical position. Fig. 3 is a similar view 2o with the teeth standing in slanting position.v
Figs. 4 and 5 are similar detail elevations of a portion of the barrow-beam and connected tooth, showing the relative positions the tooth assumes when the harrow is drawn as indiz 5 cated in the drawings by the arrows. Fig. 6 is an end view of Fig. 5, looking from left to right. Fig. 7 is avertical cross-section of the tooth-fastening or socket-band; and Figs. 8 and 9 are partial details of one of the harrow- 30 beams, showing the depression to receive the boss on the socket-band.
In the drawings the harrowA is made up of a series of barrow-beams B, connected together by means of suitable cross braces or arms 2. The barrow-beams are formed of straight parallel bars 3, having at one end the loop 4. These beams are preferably arranged so that the loops at opposite ends of the harrow are upon alternate beams, the draft-bar or evener 5 being secured to the loops at one end by clevises 6.
Arranged at suitable distances apart upon the .harrow beam are my improved toothsocket bands or fastenings C. These are preferably of the shape shown in Figs. 4 and 5, provided with the horizontal opening 7, through which passes the barrow-beam. The upper and lower walls of the opening 7 are both formed with the corresponding beveled 5o faces 8 8 and 9 9, the faces 8 8 being inaplane at right angles with the vertical tooth-opening l() and the faces 9 9 at an acute angle with reference to the opening. It will thus be evi dent that when the beam is bearing upon the faces 8 8 the tooth 1l, passing through the 55v l opening 10, will be in a vertical position, and when the beam bears upon the faces 9 9 the tooth will be in a slanting position, as shown in Fig. 4. Formed upon one of the side walls of the opening 7 is the boss or protuberance l2, adapted to fit into the depression 13 in the side of the barrow-beam, thus holding the socket-band from slipping and serving as a bearing for it to turn upon.
As will be evident, the socket-bands C may be easily slipped in place upon the harrowbeam by springing the bars of the beam toward each other until the boss upon tho socket-band comes into contact with the depression in the beam, the socket-band when in place turning upon the boss as a bearing.
Vhen it is desired to use my invention as an ordinary vertical-tooth barrow, the evener is attached as illustrated in Fig. 2, the pressure of the soil against the teeth holding them in vertical position. When it is desired to convert it into a smoothing-barrow, the evener is attached to the opposite end of the harrow, as shown in Fig. 3, so that the pressure of the soil will cause the teeth to turn to a slanting position, with the barrow-beam bearing upon the faces 9 9 of the opening '7. By having the looped ends of the barrow-beams arranged alternately upon opposite ends of the harrow the evener Vcan be easily changed from one85 end to the other.
I claiml In a harrow, the combination with the harrow-beam, composed of parallel bars, of the tooth-holder provided With a longitudinal opening to receive the beam, and a centralvertical opening to receive the barrow-tooth, and the pivotal connection between said holder and beam, consisting of a boss or projection upon one engaging a socket in the other, said tooth when inserted in place between the parallel bars holding the same forced outward against the sides of the holder, and preventing slipping by reason of the pivotal connection, said bars being adapted to be sprung together when the tooth is removed to disengage the holder and beam.
In testimony whereof I affix my signature in presence of two witnesses.
SEYMOUR J OHNSON.l
Witnesses:
T. D. MERWIN, H. S. JOHNSON.
IOO
US577038D Seymour johnson Expired - Lifetime US577038A (en)

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