US65977A - Improvement in the mantjfaotuee of eaevestee guaed-fingees - Google Patents
Improvement in the mantjfaotuee of eaevestee guaed-fingees Download PDFInfo
- Publication number
- US65977A US65977A US65977DA US65977A US 65977 A US65977 A US 65977A US 65977D A US65977D A US 65977DA US 65977 A US65977 A US 65977A
- Authority
- US
- United States
- Prior art keywords
- improvement
- guard
- mantjfaotuee
- guaed
- fingees
- Prior art date
- 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
Links
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 20
- 229910052742 iron Inorganic materials 0.000 description 10
- 238000004519 manufacturing process Methods 0.000 description 10
- 238000000034 method Methods 0.000 description 8
- 229910000760 Hardened steel Inorganic materials 0.000 description 4
- 210000003491 Skin Anatomy 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 4
- 241001079814 Symphyotrichum pilosum Species 0.000 description 4
- 235000004224 Typha angustifolia Nutrition 0.000 description 4
- 239000004927 clay Substances 0.000 description 4
- 229910052570 clay Inorganic materials 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 229910001018 Cast iron Inorganic materials 0.000 description 2
- 241001124569 Lycaenidae Species 0.000 description 2
- 241000282376 Panthera tigris Species 0.000 description 2
- 238000010000 carbonizing Methods 0.000 description 2
- 239000003610 charcoal Substances 0.000 description 2
- 238000005553 drilling Methods 0.000 description 2
- 238000003306 harvesting Methods 0.000 description 2
- 238000003801 milling Methods 0.000 description 2
- 230000036633 rest Effects 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
Images
Classifications
-
- 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
- A01D34/18—Guard fingers; Ledger-plates
-
- 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
- Y10T29/49451—Harvester guard
Definitions
- Our ,invention consists of a peculiar order and process of manufacture Vin making guard-fingers for -har' vesters, whereby many advantages are secured, and a much better article is produced than any hitherto in use.
- guard-fingers are first forged in the form shown in fig. 1, being a rough blank of the finger.
- the fingers are next packed in an iron box in companyy u'ith u suiiicient quantity of pounded charcoal.
- the cover of the box is luted on with clay, and the whole bex and its contents are submitted to a high heat ina furnace during a period of about twelve hours, at the end of which time the entire .surface of the guardfingers has been converted into steel, and may new be hardened and polished, after which they may be riveted to the finger-bar and nail-rod.
- the guard-fingers may he subjected to this same process, and with the same improvement, when they are made of cast iron and made malleable.
- guard-iingersl are thusl made duplicates of each other, so that ,they are perfectly interchangeable, and further, they are made more ,durable and strong than any guard-lingers over hithertohmade, for the reason that the whole outer skin or surface is converted into steel and hardened,-while the core er interior portion remainsof iron, possessing great-er strength to resist shocks.
- guard-fingers have been made of iron cast over a chill to render them hard, but thesc are only hard in the slot, and are very brittle and liable to be breken.
- XVe are also aware that a hardened steel plate has been inserted, against which the knife should cut, but this is expensive, and the top of the slot is not hardened. But We are not aware that guard-tingers have'e'ver been made with an interior orpcore of iron, andthe entire outer surface ofvsteel. If it is desired that the surfaces of the holes should not be hardened; they may Vbe stopped with clay before carbonizing.
- a harvester guard-finger composed of a central portionpor core of soft iron, and its entire outer skin or surface of hardened steel, substantially as and for the purpose 'set forth.
Description
.Fly-4.
Fly, y E J h f Inventa. Wammes. M/ y MW@ @M N PETERS. PHOWLIYNOGRAFNER WASNINGYOII D C @ni-teh taire /gatw't @frn WILLIAM N. WHITELY, JR., JEROME EAssLER, AND o. S. KELLY, 0F SPRINGFIELD, 0R10.
Letters. Pam No. 65,977, data-1.71m 1s, 18er.
IMPROVEMENT IN THE MANUFAGTURE 0F HARVESTER GUARD-FINGERS.
@tigt .Sannita referat tu itt tiger tttnrs thitntt mit iin-thing part nt tlg-e simu,
T0 ALL WI'IOM IT MA1 CONCERN:
Be it known that we, WILLTM `N. WIHTELY, Jr., JEROME FAssLER, and O. S. KELLY, of Springfield, in the county of Clark, and State of Ohio, have invented a new and useful Improvement in the Manufacture of Guard- 'Fingers for Harvesters; and we do hereby declare the following to be a full, clear, and exact description of the same, reference being had to the accompanying drawings, inmwhich- Figures 1, 2, 3, 4, and 5 exhibit the different stages of manufacture.
Our ,invention consists of a peculiar order and process of manufacture Vin making guard-fingers for -har' vesters, whereby many advantages are secured, and a much better article is produced than any hitherto in use.
1. Our guard-fingers are first forged in the form shown in fig. 1, being a rough blank of the finger.
:2. This blank is th'en set in the milling machine, and the surfaces A B and shoulders-@Dare rendered smooth and true, as it is desired to have them. The surface A rests against the under side of the {inger-bar, Vandl the shoulder D against the front edge of the nail-rod. These are shown in red in iig. 5.
3. When the second operation has been completed, the slot E, for the passage of the cutters, is sawed in the solidmetal, as shown in tig. 3.
4. '.Lhe blank is new placed in the drill-press, a proper gauge being employed which insures the drilling of the holes F Gr H unifermlyn the proper places.
5. The blank is new placed in the hands of the grinder who reduces it t0 its proper forni and proportions,
as shown in lig. 5. Up te this point the guard-finger has been left in the softest condition possible, so as to facilitate the work of bringing it to the proper size and form.
(i. The fingers are next packed in an iron box in companyy u'ith u suiiicient quantity of pounded charcoal. The cover of the box is luted on with clay, and the whole bex and its contents are submitted to a high heat ina furnace during a period of about twelve hours, at the end of which time the entire .surface of the guardfingers has been converted into steel, and may new be hardened and polished, after which they may be riveted to the finger-bar and nail-rod. The guard-fingers may he subjected to this same process, and with the same improvement, when they are made of cast iron and made malleable.
The advantages of this. process and order of manufacture are, that the guard-iingersl are thusl made duplicates of each other, so that ,they are perfectly interchangeable, and further, they are made more ,durable and strong than any guard-lingers over hithertohmade, for the reason that the whole outer skin or surface is converted into steel and hardened,-while the core er interior portion remainsof iron, possessing great-er strength to resist shocks. We are aware that guard-fingers have been made of iron cast over a chill to render them hard, but thesc are only hard in the slot, and are very brittle and liable to be breken. XVe are also aware that a hardened steel plate has been inserted, against which the knife should cut, but this is expensive, and the top of the slot is not hardened. But We are not aware that guard-tingers have'e'ver been made with an interior orpcore of iron, andthe entire outer surface ofvsteel. If it is desired that the surfaces of the holes should not be hardened; they may Vbe stopped with clay before carbonizing.
Having described our invention, what we claim as new, and desire to secure by Letters Patent, is-
l.A Guard-fingers for harvesting machines made by the process and order of manufacture herein described.
. A harvester guard-finger composed of a central portionpor core of soft iron, and its entire outer skin or surface of hardened steel, substantially as and for the purpose 'set forth.
WM. N. WHITELY, JR.,
. JEROME FASSLER,
Witnesses: O. S. KELLY.
S. D. CARPENTER. Guo. ARTHUR.
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US65977A true US65977A (en) | 1867-06-18 |
Family
ID=2135503
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US65977D Expired - Lifetime US65977A (en) | Improvement in the mantjfaotuee of eaevestee guaed-fingees |
Country Status (1)
| Country | Link |
|---|---|
| US (1) | US65977A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2619787A (en) * | 1946-08-28 | 1952-12-02 | Buchanan Steel Products Corp | Sickle guard |
| US2719353A (en) * | 1946-08-28 | 1955-10-04 | Buchanan Steel Products Corp | Method of producing sickle guards |
-
0
- US US65977D patent/US65977A/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2619787A (en) * | 1946-08-28 | 1952-12-02 | Buchanan Steel Products Corp | Sickle guard |
| US2719353A (en) * | 1946-08-28 | 1955-10-04 | Buchanan Steel Products Corp | Method of producing sickle guards |
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