US958077A - Disk-harrow-sharpening apparatus. - Google Patents

Disk-harrow-sharpening apparatus. Download PDF

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Publication number
US958077A
US958077A US52851909A US1909528519A US958077A US 958077 A US958077 A US 958077A US 52851909 A US52851909 A US 52851909A US 1909528519 A US1909528519 A US 1909528519A US 958077 A US958077 A US 958077A
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Prior art keywords
harrow
disk
sharpening
sharpening apparatus
arms
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Expired - Lifetime
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US52851909A
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Peter Bender
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B3/00—Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools
    • B24B3/36—Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools of cutting blades
    • B24B3/46—Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools of cutting blades of disc blades
    • B24B3/466—Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools of cutting blades of disc blades of cultivator disc blades

Definitions

  • PETER IBENDER 0F SLATER, MISSOURI.
  • This invention relates to new and useful improvements in apparatus for sharpening disk harrows and comprises various details of construction and combinations and arrangements of parts which will be hereinafter fully described and then specifically defined in the appended claim.
  • Figure l is a perspective view of a harrow and sharpening device embodying the features of m invention.
  • Fig. 2 is a top lan view.
  • ⁇ ig. 3 is a sectional view on ine 3 3 of Fig. 2.
  • Fi 4 is a detail perspective view of one o the springressed members carrying the cutting knie, and
  • Fig. 5 is a sectional view through themembers carrying a cutting knife.
  • A designates the frame bar of the barrow and B the axle mounted in the bracket arms B', and C the harrow disks of the usual construction mounted upon said axle.
  • Mounted upon said frame bar is the adjustable rack D havin arms D fixed thereto and each of which is eld to the bracket extension member E by means of set screws F assing throu h the slots G, thereby affording means or holdin the rack nearer to or farther from the dis s to be sharpened, which latter may be of different diameters.
  • Fixed to the under face of said rack is a series of arms, each designated b letter H, one for each harrow disk. ne of said arms, which are seated preferably at an inclination, has a slotted end carrying a pin H to which a socket knife carrying member K is pivoted.
  • O designates a cutting blade which is re' versible and provided with a cutting edge upon each end and held in said socket member bymeans of a set screw O.
  • Projecting from each arm is a lu" Q, and also from each socket member ya simiIar lug Q', which lugs are provided with registering apertures for the reception of a bolt R upon which is mounted a threaded nut R.
  • a spring T provided for the purpose of causing the cutting edge of the sharpening knife to be held yieldingly against the edge of the harrow to bel sharpened.
  • the tension of the spring may be regulated and thereby a greater or less pressure may be applied to the cutting edge which is held against the harrow as it rotates.
  • An apparatus for sharpening harrow disks comprising, in combination with the cross beam of a harrow frame, slotted bracket arms fastened to the edge of said beam, a rack having laterally projecting arms, bolts passing through apertures in said arms and slots of said bracket members, flanged bars fastened to the under face of said rack, a pivotal socket member mounted upon each of said bars, an integral lug rejecting from each bar and socket mem er, a bolt passing through re istering apertures in said lu s, a4 coile spring mounted upon each bolt and interposed between said lugs.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Soil Working Implements (AREA)

Description

P. BENDER. DISK HARROW SHARPENING APPARATUS. APPLIoATIoN FILED Nov.1v, 1909.
9589077. Patented May 17, 1910.
2 SHEETS-SHEET 1.
Noruego P. BENDER. DISK HARROW SHARPENING APPARATUS.
`APPLICATION FILED NOV. 17, 1909.
Patented May 17, 1910.
2 SHEETS-SHEET 2.
PETER IBENDER, 0F SLATER, MISSOURI.
DISK-HARROW-SHARPENING APPARATUS.
specification of Letters Patent.
Patented May 17, 19MB.
Application led November 17, 1909. Serial No. 528,519.
To all whom it may concern:
Be it known that I, PETER BENDER, a citizen of the United States, residing at Slater, in the county of Saline and State of Missouri, have invented certain new and useful Improvements in Disk Harrow- Sharpening Apparatus; and I do hereby declare the followinfg to be a full, clear, and exact description o the invention, such as will enable others skilled in the art to which it appertains to make and use the same, reference being-had to the accom anying drawings, and to the letters of re erence marked thereon, which form a part of this specification.
This invention relates to new and useful improvements in apparatus for sharpening disk harrows and comprises various details of construction and combinations and arrangements of parts which will be hereinafter fully described and then specifically defined in the appended claim.
I illustrate my invention in the accompanying drawings, in which:-
Figure l is a perspective view of a harrow and sharpening device embodying the features of m invention. Fig. 2 is a top lan view.` ig. 3 is a sectional view on ine 3 3 of Fig. 2. Fi 4: is a detail perspective view of one o the springressed members carrying the cutting knie, and Fig. 5 is a sectional view through themembers carrying a cutting knife.
Reference now being had to the details of the drawings by letter, A designates the frame bar of the barrow and B the axle mounted in the bracket arms B', and C the harrow disks of the usual construction mounted upon said axle. Mounted upon said frame bar is the adjustable rack D havin arms D fixed thereto and each of which is eld to the bracket extension member E by means of set screws F assing throu h the slots G, thereby affording means or holdin the rack nearer to or farther from the dis s to be sharpened, which latter may be of different diameters. Fixed to the under face of said rack is a series of arms, each designated b letter H, one for each harrow disk. ne of said arms, which are seated preferably at an inclination, has a slotted end carrying a pin H to which a socket knife carrying member K is pivoted.
O designates a cutting blade which is re' versible and provided with a cutting edge upon each end and held in said socket member bymeans of a set screw O. Projecting from each arm is a lu" Q, and also from each socket member ya simiIar lug Q', which lugs are provided with registering apertures for the reception of a bolt R upon which is mounted a threaded nut R. Intermediate each of said lugs, one upon an arm and the other upon a socket member, is positioned a spring T provided for the purpose of causing the cutting edge of the sharpening knife to be held yieldingly against the edge of the harrow to bel sharpened.
yBy the provision of the nut upon the threaded end of the bolt passing through said lug, the tension of the spring may be regulated and thereby a greater or less pressure may be applied to the cutting edge which is held against the harrow as it rotates.
From the foregoing, it will be noted that, by the provision of a sharpening device as shown and described, a simple and efficient device is provided whereby the various harrow disks may be sharpened simultaneously, the cutting edge of the knife being regulated by the pressure brought to bear against the same, as will be readily understood. When the cutting edge of the knife becomes dull, the same may be reversed as will be readily understood.
What I claim to be new is An apparatus for sharpening harrow disks comprising, in combination with the cross beam of a harrow frame, slotted bracket arms fastened to the edge of said beam, a rack having laterally projecting arms, bolts passing through apertures in said arms and slots of said bracket members, flanged bars fastened to the under face of said rack, a pivotal socket member mounted upon each of said bars, an integral lug rejecting from each bar and socket mem er, a bolt passing through re istering apertures in said lu s, a4 coile spring mounted upon each bolt and interposed between said lugs.
In testimony whereof I hereunto ailix my signature in the presence of two witnesses.
PETER BENDER.
Witnesses:
O. A. KRAMER, DAN EHLERS.
US52851909A 1909-11-17 1909-11-17 Disk-harrow-sharpening apparatus. Expired - Lifetime US958077A (en)

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US52851909A US958077A (en) 1909-11-17 1909-11-17 Disk-harrow-sharpening apparatus.

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US52851909A US958077A (en) 1909-11-17 1909-11-17 Disk-harrow-sharpening apparatus.

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20120052776A1 (en) * 2010-08-31 2012-03-01 Cnh America Llc Blade sharpening system for agricultural implements
US20120052775A1 (en) * 2010-08-31 2012-03-01 Cnh America Llc Agricultural implement mountable blade sharpening system
US9308614B2 (en) 2011-08-31 2016-04-12 Cnh Industrial America Llc Blade sharpening system for agricultural implements
US9327378B2 (en) 2011-08-31 2016-05-03 Cnh Industrial America Llc Blade sharpening system for agricultural implements

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20120052776A1 (en) * 2010-08-31 2012-03-01 Cnh America Llc Blade sharpening system for agricultural implements
US20120052775A1 (en) * 2010-08-31 2012-03-01 Cnh America Llc Agricultural implement mountable blade sharpening system
CN103079394A (en) * 2010-08-31 2013-05-01 Cnh比利时股份有限公司 Blade sharpening system for agricultural implements
US8535120B2 (en) * 2010-08-31 2013-09-17 Cnh America Llc Blade sharpening system for agricultural implements
US8690642B2 (en) * 2010-08-31 2014-04-08 Cnh America Llc Agricultural implement mountable blade sharpening system
EP2611275B1 (en) * 2010-08-31 2016-11-09 CNH Industrial Belgium nv Blade sharpening system for agricultural implements.
US9308614B2 (en) 2011-08-31 2016-04-12 Cnh Industrial America Llc Blade sharpening system for agricultural implements
US9327378B2 (en) 2011-08-31 2016-05-03 Cnh Industrial America Llc Blade sharpening system for agricultural implements

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