US298820A - Baenaed s - Google Patents

Baenaed s Download PDF

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US298820A
US298820A US298820DA US298820A US 298820 A US298820 A US 298820A US 298820D A US298820D A US 298820DA US 298820 A US298820 A US 298820A
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saw
file
jointer
flanges
piece
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23DPLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
    • B23D63/00Dressing the tools of sawing machines or sawing devices for use in cutting any kind of material, e.g. in the manufacture of sawing tools
    • B23D63/001Devices for positioning the dressing tool with respect to the saw blade

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  • the object of this invention is to provide a cheap and convenient saw-jointer, or in strument for evening the teeth of saws for the use of carpenters and others, by means of which they can put their saws in order without incurring the loss of time and inconvenience of taking them to a person who makes a business of filing saws and putting them in order.
  • the invention consists in a saw-jointer composed of a metallic holder or frame made adjustable to receive and hold an ordinary triangular file and toadapt it for use on saws of different thicknesses, as hereinafter particularly described.
  • Figure 1 represents a side elevation of my saw-jointer; Fig. 2, a plan View of the same, and. Fig. 3 is a transverse section on the line :0 m.
  • A is a cap-piece, and B 13 two side pieces, which together form the holder or frame of my saw-jointer and receive and hold an ordinary triangular file, O.
  • the cappiece A is made hollow or tubular to receive said file, and has two flanges, a and a, one on each side, as shown.
  • the two side pieces, B and B consist of two metal plates, the lower portions, b and b, of which rest against the sides of the saw, and their upper portions, 0 and c, are set at right angles thereto, and form flanges which fit to the flanges a and a of the cap-piece.
  • the flanges a and b are riveted together, as shown at d, and the flange a of the cap-piece is provided with a short slot, f, throughwhich asetscrew, g, is passed, said screw entering the flange b of the side piece B, so that the space It between the two side pieces may be increased or diminished in order to properly fit the latter to saws of different thicknesses or sizes.
  • the upper inner edges of the side pieces are slightly rounded or cut away to allow for the spread of the teeth of the saw, while the lower inner surfaces of said side pieces fit snugly to the sawblade.
  • the lower edges of the file 0 rest upon the flanges b and I), and said file is clamped in position by means of a set-screw, m, which passes through the top of the cappiece.
  • the side piece I is adjusted to the thickness of the saw, so as to fit snugly to the blade, and the instrument is then passed to and fro with the file in contact with the teeth of the saw, which are thereby brought to a uniform level throughout the entire length of the saw, and the cutting-edge of each tooth is brought to a right angle with the plane of the blade.
  • What I claim as my invention is- In asaw-jointer, the combination of ahollow cap-piece, A, having flanges a and a, two side pieces, B and B, having flanges I) and b, said side piece 13 being made adjustable, as described, and a file, O, clamped between said 10 cap-piece and side pieces, substantially as shown and described.

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  • Mechanical Engineering (AREA)
  • Investigating Or Analysing Biological Materials (AREA)

Description

(N Model.)
B. S. BOZARD.
SAW JOINTER.
Patented May 20, 1884,
h. PETERS. Phomlnhcgnphur, Washington. DC.
wire firarns lfiarnnr trier.
BARNARD S. BOZARD, OF BROOKLYN, NEWV YORK.
SAW -JOINTER.
SPECIFICATION forming part of Letters Patent No. 298,820, dated May 20, 1884-.
Application filed September 6, 1883. (No model.)
To aZZ whom it may concern: Be it known that I, BARNARD S. BOZARD, of the city of Brooklyn, in the county of Kings and State of New York, have invented an Improved Saw-Jointer; and I hereby declare the following to be a full, clear, and exact description thereof, reference being had to the accompanying drawings, which form a part of this specification.
The object of this invention is to provide a cheap and convenient saw-jointer, or in strument for evening the teeth of saws for the use of carpenters and others, by means of which they can put their saws in order without incurring the loss of time and inconvenience of taking them to a person who makes a business of filing saws and putting them in order.
The invention consists in a saw-jointer composed of a metallic holder or frame made adjustable to receive and hold an ordinary triangular file and toadapt it for use on saws of different thicknesses, as hereinafter particularly described.
The ordinary method of jointing saws has been to draw a flat file over the cutting-edge of the saw by hand; but by that means it is impossible to set the cutting -edges of the teeth precisely at right angles to the plane of the blade, and it also necessitates the providing a special file for jointing. These diffieultics have been partially removed by sawj ointer described in Letters Patent N o. 27 7 ,364, in which a file is held in a carrier; but said carrier is not constructed to admit of adjustment either to different thicknesses of sawblades nor to different sizes offilcs and I do not claim that construction. By means of my invention these difficulties are obviated, as the teeth are perfectly equalized in length, so that the cutting-edge of the saw presentsa straight line, and the cutting-edge of each tooth is brought to a right angle with the plane ofthe saw, both of which conditions are necessary to enable a saw to work perfectly; and in addition to this a further advantage'obtained by my invention is that the triangular files which have beemworn out at their edges in their ordinary use in filing saws may be utilized for the purpose of jointing, as the flat sides of the same generally remain intact and in good condition;
In the accompanying drawings, Figure 1 represents a side elevation of my saw-jointer; Fig. 2, a plan View of the same, and. Fig. 3 is a transverse section on the line :0 m.
Similar letters of reference indicate the same parts in all the figures.
A is a cap-piece, and B 13 two side pieces, which together form the holder or frame of my saw-jointer and receive and hold an ordinary triangular file, O. The cappiece A is made hollow or tubular to receive said file, and has two flanges, a and a, one on each side, as shown. The two side pieces, B and B, consist of two metal plates, the lower portions, b and b, of which rest against the sides of the saw, and their upper portions, 0 and c, are set at right angles thereto, and form flanges which fit to the flanges a and a of the cap-piece. The flanges a and b are riveted together, as shown at d, and the flange a of the cap-piece is provided with a short slot, f, throughwhich asetscrew, g, is passed, said screw entering the flange b of the side piece B, so that the space It between the two side pieces may be increased or diminished in order to properly fit the latter to saws of different thicknesses or sizes. The upper inner edges of the side pieces are slightly rounded or cut away to allow for the spread of the teeth of the saw, while the lower inner surfaces of said side pieces fit snugly to the sawblade. The lower edges of the file 0 rest upon the flanges b and I), and said file is clamped in position by means of a set-screw, m, which passes through the top of the cappiece.
D represents a saw.
In using my improved saw-jointer the side piece I) is adjusted to the thickness of the saw, so as to fit snugly to the blade, and the instrument is then passed to and fro with the file in contact with the teeth of the saw, which are thereby brought to a uniform level throughout the entire length of the saw, and the cutting-edge of each tooth is brought to a right angle with the plane of the blade.
What I claim as my invention is- In asaw-jointer, the combination of ahollow cap-piece, A, having flanges a and a, two side pieces, B and B, having flanges I) and b, said side piece 13 being made adjustable, as described, and a file, O, clamped between said 10 cap-piece and side pieces, substantially as shown and described.
BARNARD S. BOZARD. Witnesses: M. H. TOPP'ING,
JOHN S. THORNTON.
US298820D Baenaed s Expired - Lifetime US298820A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2582101A (en) * 1949-06-27 1952-01-08 William W Brown Pruning saw jointer

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2582101A (en) * 1949-06-27 1952-01-08 William W Brown Pruning saw jointer

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