US703440A - Saw-set. - Google Patents
Saw-set. Download PDFInfo
- Publication number
- US703440A US703440A US8363701A US1901083637A US703440A US 703440 A US703440 A US 703440A US 8363701 A US8363701 A US 8363701A US 1901083637 A US1901083637 A US 1901083637A US 703440 A US703440 A US 703440A
- Authority
- US
- United States
- Prior art keywords
- saw
- eccentric
- anvil
- plunger
- rotative
- 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
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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
- B23D63/02—Setting saw teeth by means of hand-operated or foot-operated devices
- B23D63/023—Devices of the portable type carried by one hand and operable by one hand or two hands, e.g. having a pair of tongs
Definitions
- the invention relates to a rotative or otherwise adjustable eccentric gage applicablel to saw-sets having an adjustable anvil (rotative slide or screw adjusting device.)
- the invention consists of the eccentric plane of the rotative anvil arranged so that the beveled face thereof will be at right angles to the axis of the horizontally-moving plunger.
- Figure l represents a horizontal vertical section of a saw-set in which is shown the principal features of the invention.
- Fig. 2 is an inverted View of theplate forming, as it does, the rotative eccentric gage.
- Figs. 3, 4, and 5 are' modifications of the eccentric plate forming the gage.
- Fig. 6 is also a modification showing another position in which the polygonal or circular shaped eccentric gage may be arranged so that it may meet the resistance of the saw-blade nearer the initial point of action of the plunger upon the tooth of the saw.
- Fig. 7 is a front elevation of the rotative anvil, in which is shown the eccentric plane and beveled face.
- the axis of the said rotative anvil f is arranged oblique to the axis of the plunger h in a manner that will bring the beveled face g at right angles to the axis ofthe plunger h aforesaid.
- the plunger with its retraeting-spring, will be operated by the lever-handle z' and the fixed handle k in the usual way.
- a saw-blade When a saw-blade is placed in position, as shown by dotted line l, and the plunger is brought forward in the direction indicated by the axis shown by the dotted line 2, it will engage with the cross-section near the apex of the tooth and sit over the point of the tooth of the saw parallelv with the vertical line, as indicated at 3. lt will be obvious that by this arrangement a more perfect .and positive result is produced at the initial point of action upon the tooth of the saw.
- a rotary concentrically-pivoted anvil having an eccentric bearing-surface and a beveled anvil-face, and a plunger having its axis of movement perpendicular to the opposed portions of the beveled anvilface, and its operative face arranged at an angle therewith, the inclination being toward the perimeter of the anvil as described.
Description
- No. 703,440. Patented 1u|y,|,'|9"02'.14-
C. MORBILL, Decd.
s. c. *MonmLL -Eiemnrix SAW SET.
(Application tleclv Nov. 25, 1901;)
(No Model.)
I fm: nonagslvefens'oo.. moujno.. wgsmucmm. D. c.,
UNITED STATES- PATENT OFFICE.
SARAH C. MORRILL, OF NEW YORK, N. Y., EXECUTRIX OF CHARLES I.
MORRILL, DECEASED.
SAW-SET.
SPECIFICATION forming part of Letters Patent No. 703,440, dated July 1, 1902.
Application filed November 25, 1901. Serial No. 83,637. (No model.)
The invention relates to a rotative or otherwise adjustable eccentric gage applicablel to saw-sets having an adjustable anvil (rotative slide or screw adjusting device.)
It also relates to the eccentric beveled plane of a rotative anvil arranged at right angles to the path of action of the horizontally-mov ing plunger.
The invention consists of the eccentric plane of the rotative anvil arranged so that the beveled face thereof will be at right angles to the axis of the horizontally-moving plunger.
In the drawings, Figure l represents a horizontal vertical section of a saw-set in which is shown the principal features of the invention. Fig. 2 is an inverted View of theplate forming, as it does, the rotative eccentric gage. Figs. 3, 4, and 5 are' modifications of the eccentric plate forming the gage. Fig. 6 is also a modification showing another position in which the polygonal or circular shaped eccentric gage may be arranged so that it may meet the resistance of the saw-blade nearer the initial point of action of the plunger upon the tooth of the saw. Fig. 7 is a front elevation of the rotative anvil, in which is shown the eccentric plane and beveled face.
Similar letters refer to similar parts throughout the drawings, in whichd represents the rotative eccentric gage secured to the stock h of the saw-set by means of the screw c, which is made fixed to the stock aforesaid in a manner that will admit of the rotative Yadjustment of the eccentric gage a, the latter of which' is held in its adjusted position by means of the frictional spring d. The head e of the saw-set is mounted with the usual-shaped rotative anvil f, provided with the eccentric plane g and beveled face g. The axis of the said rotative anvil f is arranged oblique to the axis of the plunger h in a manner that will bring the beveled face g at right angles to the axis ofthe plunger h aforesaid.
It will be observedthat the inclination of the operative face of the plunger his arranged atan angle to that of the beveled face g of the rotative anvil f. The object of arranging the plunger and rotative anvil in this manner is to enable the plunger to properly engage with the cross-angie extending to the apex of the tooth, and thereby setting the tooth perfect in every respect, a result never heretofore accomplished. It is a well-known fact that the manner by which saws are sharpened forms a leaming on each edge of the tooth on the same side of the saw, beginning at the throat of the tooth and extending upward, where the intersection thereof forms the cross-angle extending to the apex of the tooth. It will also be obvious that saw-sets heretofore made could not operate upon the cross-anglenear the apex of the tooth with that precision shown by the operation of this invention.
The plunger, with its retraeting-spring, will be operated by the lever-handle z' and the fixed handle k in the usual way. When a saw-blade is placed in position, as shown by dotted line l, and the plunger is brought forward in the direction indicated by the axis shown by the dotted line 2, it will engage with the cross-section near the apex of the tooth and sit over the point of the tooth of the saw parallelv with the vertical line, as indicated at 3. lt will be obvious that by this arrangement a more perfect .and positive result is produced at the initial point of action upon the tooth of the saw.
The important features of the polygonal or circular-shaped rotatively-mounted eccentric gage will be indispensable in' a tool of this character, yfor it will be observed that in many cases the operator will be compelled toset the teeth of 'his saw inorderthat itmay perform its function consistent with the character of the wood to be operated upon.
In order to set the teeth of the saw properly, it will be necessary to adjust the eccentric gage so as to regulate the back thrust of the blade, and thereby giving the proper set to the teeth when the plunger' shall have been brought forward.
The operator must not lose sight of the fact that when wet, green, 0r soft wood is to be operated upon the set of the teeth will of course be deeper than they would have to be if hard wood is to be operated upon, and in order that the operator should not err in judging the exact position of the eccentric gage each side of the polygon or portion of its circumference of the eccentric gages a, a', and a will be indicated in any manner desirable. With a saw-set thus equipped any inexperienced mechanic could easily and properly adjust the gage without depending upon his judgment. It is a known fact that many mechanics err in their judgment when operating the ordinary screw-gage, the proper position of which depends upon proper judginent. It will therefore be observed that it will not require the hand of the skilled mechanic to operate this tool properly and scientitically, thus obviating the objectionable features of the saw-sets heretofore made. In the former application the axis of the rotative anvil was arranged oblique to the axis of the plunger; but in that case the beveled plane was arranged parallel with the inclined plane of the end of the plunger.
It is not desired to confine the invention t0 any particular-shaped eccentric gage, as many forms may be devised Without departing from the spirit of the invention.
Having thus described the invention, what is claimed as new, and desired to be secured by Letters Patent, ish
l. In a saw-set a rotary concentric anvil having an eccentric bearing-surface and a beveled anvil-face, and a movable setting device having its operative face slightly inclined to the anvil-face, the inclination being t0- ward the perimeter of the anvil as described.
2. In a saw-set a rotary concentrically-pivoted anvil having an eccentric bearing-surface and a beveled anvil-face, and a plunger having its axis of movement perpendicular to the opposed portions of the beveled anvilface, and its operative face arranged at an angle therewith, the inclination being toward the perimeter of the anvil as described.
Signed at New York this 22d day of November, 1901.
SARAH C. MORRILL, Execuzfr of the estate of Charles .Merril deceased.
Vitnesses:
JOSEPH MCARDLE, WM. C. DUNCAN.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US8363701A US703440A (en) | 1901-11-25 | 1901-11-25 | Saw-set. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US8363701A US703440A (en) | 1901-11-25 | 1901-11-25 | Saw-set. |
Publications (1)
Publication Number | Publication Date |
---|---|
US703440A true US703440A (en) | 1902-07-01 |
Family
ID=2771969
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US8363701A Expired - Lifetime US703440A (en) | 1901-11-25 | 1901-11-25 | Saw-set. |
Country Status (1)
Country | Link |
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US (1) | US703440A (en) |
-
1901
- 1901-11-25 US US8363701A patent/US703440A/en not_active Expired - Lifetime
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