US1281825A - Cutting apparatus for mowing-machines and harvesters. - Google Patents

Cutting apparatus for mowing-machines and harvesters. Download PDF

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Publication number
US1281825A
US1281825A US10764916A US10764916A US1281825A US 1281825 A US1281825 A US 1281825A US 10764916 A US10764916 A US 10764916A US 10764916 A US10764916 A US 10764916A US 1281825 A US1281825 A US 1281825A
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United States
Prior art keywords
cutting apparatus
mowing
harvesters
machines
head
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
US10764916A
Inventor
Charles Pearson
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Navistar Inc
Original Assignee
Int Harvester Canada
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Int Harvester Canada filed Critical Int Harvester Canada
Priority to US10764916A priority Critical patent/US1281825A/en
Application granted granted Critical
Publication of US1281825A publication Critical patent/US1281825A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01D—HARVESTING; MOWING
    • A01D34/00—Mowers; Mowing apparatus of harvesters
    • A01D34/01—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus
    • A01D34/02—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having reciprocating cutters
    • A01D34/13—Cutting apparatus
    • A01D34/14—Knife-bars
    • A01D34/145—Devices for connecting the knife-bars to the driving mechanism
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49448—Agricultural device making

Definitions

  • My invention relates to the cutting apparatus of mowing machines and harvesters, and in particular to an improved construction of knife head attachment to be secured to the knife bar; its object being to provide a lighter, cheaper and more durable structure.
  • Fig. 2 is a like View showing a portion of the blank cut away and turned vertically relative to the body thereof;
  • Fig. 3 is a like view designed to illustrate the manner of forming the spherical bearing member
  • Fig. 41 is a side elevation of Fig. 8;
  • Fig. 5 is a plan view of the rivet used to complete the knife head.
  • Fig. 6 is a side elevational view showing the improved knife head connected with a pitman.
  • the blank as shown in Fig. 1 is made of relatively soft material, and includes a tang portion 6 terminating in a widened head 7 extending forward and rearward on opposite sides of the tang.
  • 8 represents alined openings along the body of the blank whereby the head may be secured to a knife having sections.
  • 9 represents an enlarged opening at the front side of the head, 10 a vertically disposed flange member cut away or struck up from the front side of the head around the opening 9, and then turned at right angles to the plane of the body of the blank, 11 a rivet of good wearing material, preferably made of high carbon steel, having a semi-spherical head 12, and its body inserted in the opening 9 as shown by dotted lines in Fig. 3.
  • a knife head including a body, an upstanding flange carried by said body, a rivet inserted in said flange and having its opposite ends upset against said flange to form a bearing mem- 2.
  • a knife head including a longitudinally disposed body, a vertically disposed flange carried by said body and provided with a transverse opening, a rivet received by said opening and having its opposite ends upset against said flange to form a spherical bearing member.
  • a knife head including a longitudinally disposed body terminating in a widened head, a flange cut from said head and turned at an angle to the plane thereof and provided with a transverse opening, and a member received by said opening and carrying at its opposite ends outwardly projecting semi-spherical bearing surfaces.

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  • Life Sciences & Earth Sciences (AREA)
  • Environmental Sciences (AREA)
  • Harvester Elements (AREA)

Description

C. PEARSON.
CUTTING APPARATUS OF MOWING MACHINES AND HARVESTERS. APPLICATION FILED JULY 5.191s.
1,281,825. Patented Oct. 15, 1918.
Fig.4
Charlesarson. 13y
CHARLES PEARSON, OF CHICAGO, ILLINOIS, ASSIGNOR T0 INTERNATIONAL HARVESTER COMPANY OF NEW JERSEY, A CORPORATION OF NEW JERSEY.
CUTTING APPARATUS 0F MOWING-MACI-IINES AND I-IARVESTERS.
Specification of Letters E'atent.
Patented Oct. 15, 1918.
Application filed July 5, 1916. Serial No. 107,649.
To all whom it may concern:
Be it known that I, CHARLES PnARsoN, a citizen of the United States, residing at Chicago, in the county of Cook and State of Illinois, have invented certain new and useful Improvements in Cutting Apparatus of Mowing-Machines and Harvesters, of which the following is a' full, clear, and exact specification.
My invention relates to the cutting apparatus of mowing machines and harvesters, and in particular to an improved construction of knife head attachment to be secured to the knife bar; its object being to provide a lighter, cheaper and more durable structure.
I attain this object by means of the mechanism illustrated in the accompanying drawing, in which- Figure 1 is a top plan view of a prepared blank of soft plate steel representing an initial step in the construction of my improved knife head;
Fig. 2 is a like View showing a portion of the blank cut away and turned vertically relative to the body thereof;
Fig. 3 is a like view designed to illustrate the manner of forming the spherical bearing member;
Fig. 41 is a side elevation of Fig. 8;
Fig. 5 is a plan view of the rivet used to complete the knife head; and
Fig. 6 is a side elevational view showing the improved knife head connected with a pitman.
The same reference characters designate like parts throughout the several views.
The blank as shown in Fig. 1 is made of relatively soft material, and includes a tang portion 6 terminating in a widened head 7 extending forward and rearward on opposite sides of the tang. 8 represents alined openings along the body of the blank whereby the head may be secured to a knife having sections. 9 represents an enlarged opening at the front side of the head, 10 a vertically disposed flange member cut away or struck up from the front side of the head around the opening 9, and then turned at right angles to the plane of the body of the blank, 11 a rivet of good wearing material, preferably made of high carbon steel, having a semi-spherical head 12, and its body inserted in the opening 9 as shown by dotted lines in Fig. 3. The body of the rivet is then upset against the opposite side of the flange 10 in a manner to form the other half 13 of a complete spherical bearing member carried by the flange 10. In this manner all the advantages of a' hard, good wearing bearing are provided, and at the same time the cost is greatly decreased.
Having shown and described one forng which my invention may assume in practice, I do not desire that it be confined to the specific details of the structure as illustrated, it being understood that changes may be'made in its form without departing from the spirit of my invention as defined by the scope of the appended claims.
What I claim as my invention, and desire to secure by Letters Patent is:
1. In a cutting apparatus, a knife head including a body, an upstanding flange carried by said body, a rivet inserted in said flange and having its opposite ends upset against said flange to form a bearing mem- 2. In a cutting apparatus, a knife head including a longitudinally disposed body, a vertically disposed flange carried by said body and provided with a transverse opening, a rivet received by said opening and having its opposite ends upset against said flange to form a spherical bearing member.
3. In a cutting apparatus, a knife head including a longitudinally disposed body terminating in a widened head, a flange cut from said head and turned at an angle to the plane thereof and provided with a transverse opening, and a member received by said opening and carrying at its opposite ends outwardly projecting semi-spherical bearing surfaces.
In testimony whereof I afiix my signature.
CHARLES PEARSON.
Copies of this patent may be obtained for five cents each, by addressing the Commissioner of Patents,
Washington, D. 0.
US10764916A 1916-07-05 1916-07-05 Cutting apparatus for mowing-machines and harvesters. Expired - Lifetime US1281825A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US10764916A US1281825A (en) 1916-07-05 1916-07-05 Cutting apparatus for mowing-machines and harvesters.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US10764916A US1281825A (en) 1916-07-05 1916-07-05 Cutting apparatus for mowing-machines and harvesters.

Publications (1)

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US1281825A true US1281825A (en) 1918-10-15

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20150163994A1 (en) * 2013-12-16 2015-06-18 Cnh America Llc Cutter assembly for an agricultural harvester

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20150163994A1 (en) * 2013-12-16 2015-06-18 Cnh America Llc Cutter assembly for an agricultural harvester
US10721862B2 (en) * 2013-12-16 2020-07-28 Cnh Industrial America Llc Cutter assembly for an agricultural harvester
US11224161B2 (en) 2013-12-16 2022-01-18 Cnh Industrial America Llc Cutter assembly for an agricultural harvester

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