US131133A - Improvement in wheels for harvesters - Google Patents

Improvement in wheels for harvesters Download PDF

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US131133A
US131133A US131133DA US131133A US 131133 A US131133 A US 131133A US 131133D A US131133D A US 131133DA US 131133 A US131133 A US 131133A
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wheel
axle
wheels
spokes
hub
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
    • B60B3/00—Disc wheels, i.e. wheels with load-supporting disc body
    • B60B3/08—Disc wheels, i.e. wheels with load-supporting disc body with disc body formed by two or more axially spaced discs
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01D—HARVESTING; MOWING
    • A01D2101/00—Lawn-mowers

Definitions

  • FIG. l is a perspective view, showing the construction of one of the supporting-wheels.
  • Fig. 2 is an elevation of the pawl-plate.
  • Fig. 3 is a perspective view of the same.
  • Fig. 4 is a perspective view of the ratchet-box.
  • Fig. 5 is an elevation, showing the pawl-plate and ratchet-box applied to a supporting-wheel; and
  • Fig. 6 is a front elevation of the pawlplate applied to the wheel, the position of the ratchet-box being represented by dotted lines.
  • a common -means employed for forming this connection consists in a circular plate carrying upon one side a series of pawls and upon the opposite side a number of lugs, which.
  • the plate is mounted loosely upon the axle so that the pawls shall engage with a ratchet-wheel affixed to the axle, and the lugs with recesses or notches formed in or upon the inner end of the wheelhub.
  • This construction is objectionable, for the following reasons, to wit: First, the hub is greatly weakened by the formation ofthe recesses or notches, and is, therefore, liable to be broken, in which event an entire new wheel is required. ⁇ Secondly, the short leverage from the axle to the connection of the lugs with the hub creates a violent strain upon such connection and increases the liability to breakage.
  • My invention has for its object to overcome these objections and consists in connecting the pawl-plate to thespokes of the wheel outside the hub, the spokes being strengthened to render the connection more secure, as I will now proceed to describe.
  • A is the pawlplate, mounted loosely upon the axle B of a mowing and reaping machine, near the hub C of the wheel.
  • the pawl-plate carries upon one face a series of springpawls, D, to engage with the ratchet-teeth formed circumferentially within the box or case E, which is firmly keyed to the axle.
  • F is a circular flange, cast or otherwise formed upon the opposite face of the plate, so as to t snugly over the inner end of the wheel-hub.
  • This iian ge is cut away or formed with notches g, which, when the plate is forced firmly against and outside of the hub, receive the enlarged shoulders h cast upon the base of one or more of the spokes K of the wheel.
  • the whole end of the hub isinclosed within the ilange F, and is re-enforced and strengthened thereby instead of being cut away and weakened, as in the usual construction.
  • the leverage is also greater from the axle to the spokes, and the former is therefore rota-ted with but little strain upon the connection.
  • a ratchet-and-pawl connection between the axle and the spokes of the supporting-wheel substaitially as described, for the purpose speci- 2.
  • a ratchet-and-pawl connection between the axle and wheels of a mowing and reaping machine I claim the pawl-plate, adapted to engage with the spokes of the wheel outside the hub, substantially as described, for the purpose specified.
  • the pawl plate constructed with the notched ange F upon one face to receive the end of the Wheel-hub and engage with one or more of the spokes, substantially as described, for the purpose specified.
  • the paWl-plate A mounted upon the axle of the machine, in combination with the ratchet-boX E and spokes and hub of the supporting-Wheel, substantially as described, for the purpose specified.

Description

A. 3. SWEENEY.
Improvement inW'heel for Harvesters. 131,133.
Patented Sep. 3, 1872.
PATENT FFICE.
ANDREW J. SWEENEY, OF WHEELING, WEST VIRGINIA.
IMPROVEMENT IN WHEELS FOR HARVESTERS.
Specification forming part of Letters Patent No. 131,133, dated September 3, 1872.
To all whom t may concern:
Be it known that I, ANDREW J. SWEENEY, of Wheeling, in the county of Ohio and State of West Virginia, have invented a new and useful Improvement in Harvesters; and I do hereby declare the following to be a full, clear,
- and exact description of the same, reference being had to the accompanying drawing forming part of this specilication, in which- A Figure l is a perspective view, showing the construction of one of the supporting-wheels. Fig. 2 is an elevation of the pawl-plate. Fig. 3 is a perspective view of the same. Fig. 4 is a perspective view of the ratchet-box. Fig. 5 is an elevation, showing the pawl-plate and ratchet-box applied to a supporting-wheel; and Fig. 6 is a front elevation of the pawlplate applied to the wheel, the position of the ratchet-box being represented by dotted lines.
Similar letters of reference in the accompanying drawing indicate the same parts.
In the construction of mowing and reaping machines of a certain class it is necessary to connect one or both of the supporting-wheels with the axle by a ratchet and pawl in such a manner that the forward movement of the machine shall rotate the axle to drive the cutting apparatus, and its backward movement permit the rotation of the wheels without turningthe axle, and so that, when the machine is turning a corner, the pivot-wheel shall ride freely upon the axle while the latter is turned by the opposite wheel to continue the operation of the cutting mechanism. A common -means employed for forming this connection consists in a circular plate carrying upon one side a series of pawls and upon the opposite side a number of lugs, which. plate is mounted loosely upon the axle so that the pawls shall engage with a ratchet-wheel affixed to the axle, and the lugs with recesses or notches formed in or upon the inner end of the wheelhub. This construction, however, is objectionable, for the following reasons, to wit: First, the hub is greatly weakened by the formation ofthe recesses or notches, and is, therefore, liable to be broken, in which event an entire new wheel is required.` Secondly, the short leverage from the axle to the connection of the lugs with the hub creates a violent strain upon such connection and increases the liability to breakage. My invention has for its object to overcome these objections and consists in connecting the pawl-plate to thespokes of the wheel outside the hub, the spokes being strengthened to render the connection more secure, as I will now proceed to describe.
In the accompanying drawing, Ais the pawlplate, mounted loosely upon the axle B of a mowing and reaping machine, near the hub C of the wheel. The pawl-plate carries upon one face a series of springpawls, D, to engage with the ratchet-teeth formed circumferentially within the box or case E, which is firmly keyed to the axle. F is a circular flange, cast or otherwise formed upon the opposite face of the plate, so as to t snugly over the inner end of the wheel-hub. This iian ge is cut away or formed with notches g, which, when the plate is forced firmly against and outside of the hub, receive the enlarged shoulders h cast upon the base of one or more of the spokes K of the wheel.
In this example of my invention I have shown the wheel cast with six spokes, three of which are provided with shoulders alternating withl those left plain. I have also shown the ange F, formed with depressions i between the notches g to t against the plain spokes and permit the entrance of the shouldered spokes within the recesses g.
By my invention the whole end of the hub isinclosed within the ilange F, and is re-enforced and strengthened thereby instead of being cut away and weakened, as in the usual construction. The leverageis also greater from the axle to the spokes, and the former is therefore rota-ted with but little strain upon the connection.
Having thus described my invention, what l. In a mowing and reaping machine, a ratchet-and-pawl connection between the axle and the spokes of the supporting-wheel, substaitially as described, for the purpose speci- 2. In a ratchet-and-pawl connection between the axle and wheels of a mowing and reaping machine, I claim the pawl-plate, adapted to engage with the spokes of the wheel outside the hub, substantially as described, for the purpose specified.
3. The pawl plate, constructed with the notched ange F upon one face to receive the end of the Wheel-hub and engage with one or more of the spokes, substantially as described, for the purpose specified.
4. The paWl-plate A, mounted upon the axle of the machine, in combination with the ratchet-boX E and spokes and hub of the supporting-Wheel, substantially as described, for the purpose specified.
A. J. SWEENEY.
Witnesses:
J. M. LAISHLEY,
J. F. SWEENEY.
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3004300A (en) * 1957-06-01 1961-10-17 Joh Jacob Rieter & Co Ltd Feed roller arrangement in a combing machine
US20030152140A1 (en) * 2002-01-10 2003-08-14 Xxtrans, Inc. System and method for transmitting/receiving telemetry control signals with if payload data on common cable between indoor and outdoor units

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3004300A (en) * 1957-06-01 1961-10-17 Joh Jacob Rieter & Co Ltd Feed roller arrangement in a combing machine
US20030152140A1 (en) * 2002-01-10 2003-08-14 Xxtrans, Inc. System and method for transmitting/receiving telemetry control signals with if payload data on common cable between indoor and outdoor units

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