US292097A - Samuel jesse chalfant - Google Patents
Samuel jesse chalfant Download PDFInfo
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- US292097A US292097A US292097DA US292097A US 292097 A US292097 A US 292097A US 292097D A US292097D A US 292097DA US 292097 A US292097 A US 292097A
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- block
- anvil
- die
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- 241001646071 Prioneris Species 0.000 description 12
- 239000000203 mixture Substances 0.000 description 6
- 210000001847 Jaw Anatomy 0.000 description 4
- 210000000614 Ribs Anatomy 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000000875 corresponding Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D63/00—Dressing the tools of sawing machines or sawing devices for use in cutting any kind of material, e.g. in the manufacture of sawing tools
- B23D63/06—Upsetting the cutting edges of saw teeth, e.g. swaging
Definitions
- My invention consists of an anvil-block adapted for being held in a vise and contrived with jaws and a clamping-lever for holding the Hoe and other removable saw-teeth with the points on the anvil suitably for being swaged or drawn .by a light hammer to widen and sharpen the points, the dies being removable for changing them for different forms of teeth, all as hereinafter fully described.
- Figure 1 is a perspective view of my improved swage with a tooth represented (dotted) in the position for being swaged.
- Fig. 2 is a sectional elevation.
- Fig. 3 is a perspective view of a removable saw-tooth such as the swage is designed for sharpening.
- a die and lever holding block, 6 is placed between the marginal ribs f, where it is to be hold by a bolt, g, which extends down through the slot h to the lower side of the anvil-block, where it is secured by a nut, z, the block 6 being adjustable along the anvil a.
- the front end of this die-block has a groove, 40 j, in which a die, 70, having a / ⁇ -shaped and curved face in conformity with the shape of the back of the tooth Z, is placed, to lay the teeth on it so that the points 0 will lie flat on the surface of the anvil, and a clamping-lever die, at, is pivoted at a in the slotted head of the bolt 9, suitably to be pressed down upon (No model.)
- the block e is to be adjusted so that it will hold the teeth Z so that the points a will be drawn out to the angle between the upper surface and the bevel end a of the anvil, which may serve for a gage by which to make the teeth all exactly the same length.
- the block 6 may be shifted around to use either end of the anvil-block, as desired, and the dies and m are so applied that they may be taken out and others adapted to teeth of different forms put in.
- the back of the upper portion of the die 7c has a V-groove, 20, in it for inserting the point of a punch to start it when said die is to be changed, and the pivot-pin a is fitted so as to be readily driven out when the die on is to be changed.
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- Mechanical Engineering (AREA)
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Description
(No Model.)
S. J. OHALFANT.
. SAW TOOTH SWAGE.
No. 292,097. Patent'efl Jan. 15, 1884.
WITNESSES: INVENTOR: I am/ ATTORNEYS.
n ognphur. Wnlnngiulk n. c.
linrrn SAMUEL JESSE CHALFAN'I, OF ALBION, CALIFORNIA;
SAW-TOOTH SWAG E.
SPECIFICATION forming part of Letters Patent No. 292,097, dated January 15, 1884.
Application filed J une 2, 1883.
To aZZ whom it may concern.-
Be it known that I, SAMUEL J. CHALFANT, of Albion, Mendocino county, California, have invented a new and Improved Saw- Tooth Swage, of which the following is a full, clear, and exact description.
My invention consists of an anvil-block adapted for being held in a vise and contrived with jaws and a clamping-lever for holding the Hoe and other removable saw-teeth with the points on the anvil suitably for being swaged or drawn .by a light hammer to widen and sharpen the points, the dies being removable for changing them for different forms of teeth, all as hereinafter fully described.
Reference is to be had to the accompanying drawings, forming part of this specification, in which similar letters of reference indicate corresponding parts in all the figures.
Figure 1 is a perspective view of my improved swage with a tooth represented (dotted) in the position for being swaged. Fig. 2 is a sectional elevation. and Fig. 3 is a perspective view of a removable saw-tooth such as the swage is designed for sharpening.
I make an anvil-block, a, of steel, with rabbeted lower edges, 1), to adapt the block tobe firmly held in the jaws of a vise, so that it will sustain the blows of a hammer in swaging the points a of the teeth on the upper surface at the ends d.
In the wide groove of the upper surface of the block a, a die and lever holding block, 6, is placed between the marginal ribs f, where it is to be hold by a bolt, g, which extends down through the slot h to the lower side of the anvil-block, where it is secured by a nut, z, the block 6 being adjustable along the anvil a. The front end of this die-block has a groove, 40 j, in which a die, 70, having a /\-shaped and curved face in conformity with the shape of the back of the tooth Z, is placed, to lay the teeth on it so that the points 0 will lie flat on the surface of the anvil, and a clamping-lever die, at, is pivoted at a in the slotted head of the bolt 9, suitably to be pressed down upon (No model.)
the upper side of the teeth and into the notch 10 of such teeth as have such notch by the cam-lever q, pivoted at sin the slott of the back end of the die-block. The block e is to be adjusted so that it will hold the teeth Z so that the points a will be drawn out to the angle between the upper surface and the bevel end a of the anvil, which may serve for a gage by which to make the teeth all exactly the same length. The block 6 may be shifted around to use either end of the anvil-block, as desired, and the dies and m are so applied that they may be taken out and others adapted to teeth of different forms put in. The back of the upper portion of the die 7c hasa V-groove, 20, in it for inserting the point of a punch to start it when said die is to be changed, and the pivot-pin a is fitted so as to be readily driven out when the die on is to be changed. \Vith this simple device these teetlnwhich are generally thrown away when worn dull, or at most are very imperfectly refitted in the points, may now be quickly made as good as when new several times before they become worthless.
- Having thus described my invention, I claim as new and desire to secure by Letters Patent 1. The combination, in a saw-tooth sWa-ge, of the anvil a, die-block c, bed-die 7c, clamp ing-die m, and the cam-lever q, substantially as described. I
2. The combination, in a saw-tooth swage, of the anvil-block to, having rabbet-grooves b, grooved uppersurfaoe or marginal ribs, f, and slotted hole h, the dieblock e, fitting in and adjustable along the groove of the anvil, the clamping-bolt g, dies is m, and the operatinglever q, substantially as'described.
3. The combination of the anvil-block at, having beveled end a and grooved upper surface, die-block e, clamping-bolt g, dies k and m, and the lever q, substantially as described,
SAMUEL JESSE OHALFANT.
Witnesses:
ELISHA W. BLAIR, CHARLES O. PACKARD.
Publications (1)
Publication Number | Publication Date |
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US292097A true US292097A (en) | 1884-01-15 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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US292097D Expired - Lifetime US292097A (en) | Samuel jesse chalfant |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2795974A (en) * | 1953-05-04 | 1957-06-18 | George E Banta | Forming tool |
US5440351A (en) * | 1992-01-06 | 1995-08-08 | Ichino; Ted | Television with user-selectable radio sound |
-
0
- US US292097D patent/US292097A/en not_active Expired - Lifetime
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2795974A (en) * | 1953-05-04 | 1957-06-18 | George E Banta | Forming tool |
US5440351A (en) * | 1992-01-06 | 1995-08-08 | Ichino; Ted | Television with user-selectable radio sound |
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