US24408A - Improved saw-set - Google Patents
Improved saw-set Download PDFInfo
- Publication number
- US24408A US24408A US24408DA US24408A US 24408 A US24408 A US 24408A US 24408D A US24408D A US 24408DA US 24408 A US24408 A US 24408A
- Authority
- US
- United States
- Prior art keywords
- saw
- hammer
- arm
- fingers
- teeth
- 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
- 241000763859 Dyckia brevifolia Species 0.000 description 6
- 230000036633 rest Effects 0.000 description 6
- 241001125671 Eretmochelys imbricata Species 0.000 description 4
- 101700051424 DIS3 Proteins 0.000 description 2
- 101700022010 TAP1 Proteins 0.000 description 2
- 238000002788 crimping Methods 0.000 description 2
Images
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
- B23D63/026—Foot-operated devices
Definitions
- the other end of the arm D The cam-shaft F is operated by the crank
- I employ the sliding gage L,which consists of a stand or frame
- This sliding frame is operated by means of the screws M M, each of which has a bearing in more or less uneven.
- aprojection A upon which slides the arm 0.
- two fingers I P which may be turned upon the pins Q Q, as indicated at P, Fig. 3, so that the points of the fingers in connection with the gage-screw R, in accordance with the set to be given to the saw, as the blade of the saw rests upon the gage-screw R, andthe fingers when the saw is being set.
- the arm 0 In the arm are a series of holes which allow the gagescrew to be adjusted nearer the hammer in' case of narrow saws; and for this purpose the arm 0 may be turned round and placed upon the projection, so that the fingers P P will be on the inside of the arm and nearer the hamwith the gage-screw and fingers saws of various widths may be very conveniently set, and uniformly.
- the force of the blow of the hammer is in accordance with the thickness of the tooth, this force being controlled by the tension given to the spring I by the set-screw K.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Cleaning In General (AREA)
Description
A. SH'OEMAKER.
Saw Set Paiented June 14, 1859.
N mum" v Inven-Zar," 44 M zZnaJJw/ 60K UNITED STATES PATENT OFFICE.
ALEXANDER SI-IOEMAKER, or CAREY, ASSIGNOR TO JAMES e. HUNT, or
READING, OHIO.
lM PROVED SAW-S ET.
Specification forming part of Letters Patent No. 24,408, dated June 14, 1859.
To all whom it may concern.-
B eitknown thatI, ALEXANDER SHOEMAKER, of Carey, in the county of WVyandot and State of Ohio, have invented certain new and useful 1 Improvements in Saw-Sets; and I do hereby declare that the following is a full, clear, and exact description of the same, reference being had to the annexed drawings, making 1 part of this specification, in which Figure 1 is a plan view, Fig. 2, a side View,
g and Fig. 3 a'front end view.
Like letters denote like parts in the several To the platform or table A are secured two standards B B, Figs. 1 and 2. To the upper end of these standards is connected the rock-shaft 1 O, by means of its journals in boxes 0-, in 1 such manner as to allow the shaft to work. To this shaft is secured the arm D, to one end 3 of which is fastened the hammer E in any proper manner.
extends under vthe shaft F, which shaft has 5 its bearings in the standards G G, which are secured to the platform A. In or about the center of the cam-shaft F is fastened the cam II, which, acting on the arm, causes the hammer E to be raised, and by the action of the f spring I on the under side of the arm the ham- 1 mer is thrown back, thus alternately the 1 hammer is raised and forced by the action of 1 the cams H H and spring I, Figs. 1 and 2.
The other end of the arm D The cam-shaft F is operated by the crank For the purpose of gaging the saw-teeth of various sizes and thickness, so that the hammer will at all times be the same uniform dis- 3 tance from each point of the tooth, which will insure an even set to the teeth and prevent f the blade from crimping, I employ the sliding gage L,which consists of a stand or frame,
as seen in Fig. 3. The side posts of this frame are inserted in a slot in the table A, so as to allow the frame to slide to and from the hammer, according to the size of the teeth. This sliding frame is operated by means of the screws M M, each of which has a bearing in more or less uneven.
the standards B B, so as to allow them to turn but not slide lengthwise. These screws work in nuts M M, fastened to the stand,'so that by turning the screws the stand may be moved at any required distance according to the size of the teeth. Connected with the stand are two rollers N N, which receive the points of the teeth, and which allow the saw to move easily from one tooth to another on the anvil when set.
From the table extends aprojection A, upon which slides the arm 0. To this arm are connected two fingers I P, which may be turned upon the pins Q Q, as indicated at P, Fig. 3, so that the points of the fingers in connection with the gage-screw R, in accordance with the set to be given to the saw, as the blade of the saw rests upon the gage-screw R, andthe fingers when the saw is being set. In the arm are a series of holes which allow the gagescrew to be adjusted nearer the hammer in' case of narrow saws; and for this purpose the arm 0 may be turned round and placed upon the projection, so that the fingers P P will be on the inside of the arm and nearer the hamwith the gage-screw and fingers saws of various widths may be very conveniently set, and uniformly. As the blow for each tooth will be the same, the force of the blow of the hammer is in accordance with the thickness of the tooth, this force being controlled by the tension given to the spring I by the set-screw K.
On each side of the hammer is a rest S S in line with the anvil and upon which the sawblade partially rests. These rests S S are always of the same height as the anvil, so that the teeth will be on the same plane with the face of the anvil, while the saw-blade may be placed'on a different angle by the adjustingscrew and fingers, according to the set of the saw. By this arrangement saws which may be uneven in thickness will have the same uniform set, as the blow will be uniform upon all the teeth if the saw-blade is uneven, while it is impossible to strike a succession of blows by hand with the same force, consequently all saws set by hand blows will be The saw is readily moved by the left hand,'while the crank is turned by the right.
What I claim as my improvement, and which I desire to secure by Letters Patent, 1s-
1. The adjustable arm 0, with the fingers and adjusting-screw, in combination with the spring trip-hammer.
2. Thefipring I and trip-hammer, in combination with the adjusting-frame L and rollers N N, and adj listing-screws.
3. Thesefi several devices, when arranged substantially as herein set forth, for the purpose described.
ALEX. SHOEMAKER.
Witnesses:
JOSEPH S. STARR, SOLOMON HARE.
Publications (1)
Publication Number | Publication Date |
---|---|
US24408A true US24408A (en) | 1859-06-14 |
Family
ID=2092493
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US24408D Expired - Lifetime US24408A (en) | Improved saw-set |
Country Status (1)
Country | Link |
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US (1) | US24408A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2483257A (en) * | 1947-04-28 | 1949-09-27 | Harry O Berry | Saw setting machine |
US2588284A (en) * | 1946-07-09 | 1952-03-04 | Herbert C Otis | Fluid pressure differential responsive cutoff valve |
DE1910039B1 (en) * | 1969-02-27 | 1970-11-12 | Matsushita Electric Ind Co Ltd | Thermal element |
-
0
- US US24408D patent/US24408A/en not_active Expired - Lifetime
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2588284A (en) * | 1946-07-09 | 1952-03-04 | Herbert C Otis | Fluid pressure differential responsive cutoff valve |
US2483257A (en) * | 1947-04-28 | 1949-09-27 | Harry O Berry | Saw setting machine |
DE1910039B1 (en) * | 1969-02-27 | 1970-11-12 | Matsushita Electric Ind Co Ltd | Thermal element |
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