US441962A - Charles morrill - Google Patents

Charles morrill Download PDF

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US441962A
US441962A US441962DA US441962A US 441962 A US441962 A US 441962A US 441962D A US441962D A US 441962DA US 441962 A US441962 A US 441962A
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saw
hammer
new york
morrill
main body
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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
    • B23D63/02Setting saw teeth by means of hand-operated or foot-operated devices
    • B23D63/023Devices of the portable type carried by one hand and operable by one hand or two hands, e.g. having a pair of tongs

Description

(No Model.)
0. MOBRILL SAW SET.
No. 441,962. Patented Dec. 2, 1890;
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UNITED STATES PATENT OEEIcE.
CHARLES MORRILL, OF NEW YORK, N. Y.
SAW-SET.
SPECIFICATION forming part of Letters Patent No. 441,962, dated December 2, 1890. l
Application filed July 18, 1890.
To all whom it may concern:
Be it known that I, CHARLES MORRILL, a citizen of the United States, and a resident of New York, in the county of New York and State of New York, have invented certain new and useful Improvements in Saw Sets, of which the following is a specification.
My invention relates to novel improvements in saw-sets having an adjustable or fixed anvil and a horizontally-movable hammer, together with a device for adjusting the saw preparatory to having its teeth set in the position desired.
Saw-sets as heretofore constructed were provided with a horizontally-moving hammer having a portion of its body flattened and adapted to engage with a corresponding opening made in the vertical Wall of the main body of the device, thus preventing its turning when in operation. The rear end of the said hammer was also provided with a plain surface arranged at right angles to the horizontal center thereof, and adapted to engage in frictional contact with the cam end of the punch-handle of the device. The main bodies of these saw-sets Were also provided with an adjustable guide-plate adapted to move horizontally when adjusting the saw to be operated upon. I find that constructing the hammer with its flat surface as also the corresponding perforations in the vertical wall of the main body of the device are objectionable, from the fact that it requires a considerable amount of labor, and thus increasing the cost of manufacture. I propose to simplify the construction in this respect, as also that of the adjustable guide-plate, and thereby reduce the amount of labor and cost of manufacture. I
The foregoing objections are obviated by my invention, which consists, first, of a cylindrical hammer having its rear end concaved and adapted to work in frictionalcontact with a correspondingly-shaped cylindrical portion integral with the lower end ofthe fulcrumed punch-handle of the device.
My invention also consists of the adjusting device composed of a single screw arranged on the under side of the main body of the de- 50 vice and at a suitable depending angle to the horizontal center thereof.
The accompanying drawing represents a Serial No. 359,203. (No model.)
vertical section of the complete saw-set, in
which is shown the main features of my invention.
Similar letters refer to similar parts throughout the drawing, in whichor represents the punch-handle holder, and b the main body. The forward portion thereof is provided with the depending lug c,hav-
ing an internally-screw-threaded perforation, the latter being adapted to receive the adj usting-screw d, which is arranged at a suitable angle to the horizontal center of the main body I). The extreme forward end of the device is of course provided with the ordinary adjustable anvil e, the latter of which is operated upon by the cylindrical and horizontally-moving hammer f. The rear end of the latter is provided with the concavity g, which is adapted to work in frictional contact with the cylindrical projection 7L, integral with the lower end of the punch-handle z. The hammer isheld in proper alignment by means of the perforations made in the vertical walls 7c of the main body I) of the device, and is carried back to its normal position by means of the retracting-spring l.
M od'us operandi: The adj usting-screw is first set forward, so that when the blade of the saw is passed inwardlyon a line indicated by the dotted linem the plane thereof will be at right angles, or nearly so, to the vertical center of the adjusting-screw. The punchhandle is then compressed, whereupon the cylindrical projection thereof engages with the concaved end of the hammer and forces it forward against the tooth, thereby pressing the latter against the vertical plane of the anvil and thus giving the tooth the proper bend.
It will be obvious that the concavity on the rear end of the hammer aforesaid will, while in contact with its corresponding h abutting surface of the punch-handle, prevent the same from turning.
Havingthus described my invention, what Iclaim as new, and desire to secure by Letters Patent, is
1. The combination, with a saw-set having an adjustable or fixed anvil and saw adjusting device, of a horizontally-moving cylindrical hammer having a concaved end adapted to work in frictional contact with the cylin the main loody of the device and supported or by the correspondingly-depending screW- threaded lug arranged on the under side of the device, substantially as shown and de scribed.
Signed at New York, in the county of New York and State of New York, this 17th day of I 5 July, A. D. 1890.
CHAS, MORRILL. Witnesses:
HUGO KOELKER, THOS. F. OOUREY.
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