US635476A - Saw-filing device. - Google Patents

Saw-filing device. Download PDF

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Publication number
US635476A
US635476A US69974898A US1898699748A US635476A US 635476 A US635476 A US 635476A US 69974898 A US69974898 A US 69974898A US 1898699748 A US1898699748 A US 1898699748A US 635476 A US635476 A US 635476A
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Prior art keywords
saw
filing
screw
filing device
rod
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Expired - Lifetime
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US69974898A
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Sven P Gudmundson
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Sven P Gudmundson
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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
    • B23D63/08Sharpening the cutting edges of saw teeth
    • B23D63/10Sharpening the cutting edges of saw teeth by filing

Description

No. 635,476. Patented Oct. 24, I899. S.-P. aunmunnsou.
SAW FILING 'DEVIGE.
(Application filed Dec. 19, 1898.)
(No Model.)
TATES SAW-FILING DEVICE.
SPECIFICATION forming part of Letters Patent No. 635,476, dated October 24, 1899.
Application filed December 19, 1 898. Serial No. 6 99, 748. (N0 .model.)
To (all whmn it may concern:
Be it known that I, SvEN P. GUDMUNDsoN, a citizen of the United States, residing at San Francisco, in the county of San Francisco and State of California, have invented certain new 'and useful Improvements in Saw-Filing Devices; and I do hereby declare the following to be a full, clear, and exact description of the invention, such as will enable others skilled in the art to which it appertains to make and use the same.
This invention relates to devices for sharpening or filing saws, and' is designed for its simplicity and cheapness of construction, and particularly for its certainty and accuracy of operation and its ready adaptability to saws of various forms and pitch of teeth.
A further object of my invention is to improvea device of this character generally, and thereby greatly facilitate the accurate filing of saws for which it is designed.
Other objects and advantages of the invention will appear in the following description, and the novel features thereof will be particularly pointed out in the appended claims.
The objects of my invention I am enabled to accomplish by the means illustrated in the accompanying drawings, in which Figure l is a perspective view of'the device, showing its position relative to an ordinary stiff-back tenon-saw. Fig. 2 is a longitudinal central section of the device. Fig. 3 is a top view of the same. Fig. elis a transverse section on the line a; :20, Fig. 2.
Referring now to the above views by let ter, A represents an ordinary stiff-back tenonsaw, held firmly in the ordinary two-jawed clamp B, with the serrated or cutting edge upturned, as shown. Adjustably secured to the rear jaw of clamp B by means of the binding-screws C is the member D, which is provided with outreachin g arms E E, the latter loosely carrying the sliding rod F. Secured to the rod F by means of screw (1 is the member G, to which is pivoted members II and I, one above the other, in the order mentioned. The member II is provided with an integrally-formed guide I), which is adapted to rest between adjacent teeth of the saw. Reaching from the lower member G to the upper member I is the binding thumb-screw J.
This thumb-screw passes through a slot 0 in member G and a cut-out portion d in member II in such a manner that the three members can be securely bound together after being independently adjusted. Adapted to slide in lugs 6, formed on member I, is the rod K, which bears the bracketf. This bracket is formed with rod g parallel to rod K, and further adjustably holds the file h and handle "i. Directly beneath the rod g and carried by the member I is the set-screw Z.
It is quite manifest that as the parts are in the relative positions shown by reciprocating the handle 2' and connected file h the latter would cut away the tooth of the saw until the rod 9 reached the screw Z. Should it be desired to file deeper, the screw Z must be screwed downward, or vice versa. Now after this portion is filed the bracket fis swung upward in the direction of the arrow in Fig.
' 4 and the projection b raised out of contact with the saw and placed in the next notch, when the filing of the adjacent tooth proceeds. The distance between the projection b and file his properly adjusted by resorting to'the thumb-screw J.
The members H, I, and G being bound together in the position shown the file is guided diagonally across the saw; but should it be desired to change this pitch the thumb-screw can be loosened and again bound after the proper angle is assumed. Should it be desired to throw the path of the file out of the horizontal, the screws 0 are resorted to.
The construction and arrangement of my device being thus made known, the operation and advantages of the same will, it is thought, be readily understood.
What I claim, and desire to secure by Letters Patent, is-
1. In a device of the class described, the combination with a suitable clamp, a member vertically adjustable relative to said clamp, a tilting member adapted to slide horizontally in said former member, a secondary or tooth-spacing member adj ustably pivoted to said tiltingmember,andafile-bearing bracket pivoted to a third member adjustably connected to said tilting member and said secondary member, substantially as set forth.
2. A saw-filing device provided with a suitadjustment in a horizontal plane, substan- IO tially as set forth.
In testimony whereof I affix my signature in presence of two witnesses.
SVEN P. GrUDMUNDSON.
Vitnesses:
LEE D. CRAIG, J. W. NYE.
US69974898A 1898-12-19 1898-12-19 Saw-filing device. Expired - Lifetime US635476A (en)

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US69974898A US635476A (en) 1898-12-19 1898-12-19 Saw-filing device.

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US69974898A US635476A (en) 1898-12-19 1898-12-19 Saw-filing device.

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2817252A (en) * 1953-10-22 1957-12-24 William C Dalziel File guide and gauge for chain saws
US3038355A (en) * 1958-03-07 1962-06-12 Nygran Ind Ltd Apparatus for filing and jointing saw chains

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2817252A (en) * 1953-10-22 1957-12-24 William C Dalziel File guide and gauge for chain saws
US3038355A (en) * 1958-03-07 1962-06-12 Nygran Ind Ltd Apparatus for filing and jointing saw chains

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