US246414A - Eobeet b - Google Patents
Eobeet b Download PDFInfo
- Publication number
- US246414A US246414A US246414DA US246414A US 246414 A US246414 A US 246414A US 246414D A US246414D A US 246414DA US 246414 A US246414 A US 246414A
- Authority
- US
- United States
- Prior art keywords
- saw
- gage
- teeth
- screw
- file
- 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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- 210000000614 Ribs Anatomy 0.000 description 14
- 238000005266 casting Methods 0.000 description 12
- 102100000672 SMPX Human genes 0.000 description 4
- 108060007673 SMPX Proteins 0.000 description 4
- 241000763859 Dyckia brevifolia Species 0.000 description 2
- 230000000284 resting Effects 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
- B23D63/001—Devices for positioning the dressing tool with respect to the saw blade
Definitions
- My invention relates to an improvement in saw jointers and gages, and is an improvement on my Patents No. 150,431, dated May 5, 1874, and No. 164,762, dated June 22, 1875.
- the gage-plateB is provided with a slit, P, through which the points of the chisel or raking teeth of the saw project, so that their points may be dressed perfectly square by moving a file over the top of the gage-plate.
- the lower part of the casting O O I is provided with two flanges, a and b, in the center of which is an adjusting clamp-screw, E This screw fits loosely in a holeforined in the lower flange, b, but its upper end is screwed into a screw-threaded hole formed in the flange a, as shown.
- the casting O O I is provided with ribs H H, which unite the flange awith that part 01' the casting which holds the gage-plate B.
- On each side of the ribs H H are open spaces, and in the center (ModeL) of the casting O O is formed a broad rib, I.
- rib I In front of this rib I is the curved clamp-block E, which is locked and held in place by passingthe ends ff behind the ribs H H, as shown in Fig. 1.
- the central part of the block E, on the lower side, is provided with a flange, E, against which the end of the screw E operates, and by means of which the file F may be firmly clamped between the block E and projectingflangeD of theframe, as shown in Fig.1.
- the operation of my improved device is as follows: The file F is placed between the flange D, lugs G G, and block E, and made fast by the screw E. The outer edges of the ribs a. and b are then placed against the side of the saw, with the file resting on the points of the teeth. The file may then be curved to conform with thebreastof the saw-teeth by adj ustingthe screw E The device is then moved along the saw, backward and forward, until the points of all the teeth have been dressed or jointed even, after which the casting O O I is reversed, and the opposite side, or that side shown in Fig. 2, is placed against the saw-blade.
- the points of the chisel or raking teeth of the saw are permitted to project through the slit P in the gage-plate B far enough to permit the extreme points of said teeth to be dressed oft perfectly square, the gage-plate B preventing the file from dressing the teeth unevenly.
- the cast frame 0 O I combined with the gage-plate B, having a slit, P, as and for the purpose specified.
- the cast frame 0 O I provided with flanges A A D a b, ribs H H, and projecting lugs G G, combined with the clamp-plate E and screw E", as and for the purpose specified.
Description
(ModeL) R. E. POINDEXTER.
' SAW JOINTER AND GAGE. No. 246,414. Patented "Aug. 30,1881.
7]. ZZWMZZ. A
UNITED STATES PATENT OFFICE.
ROBERT E. POINDEXTER, OF INDIANAPOLIS, INDIANA.
SAW JOINTE'R AND GAGE.
SPECIFICATION forming part of Letters Patent No. 246,414, dated August 30, 1881.
Application filed September 28, 1880.
.To all whom it may concern Be it known that I, ROBERT E. POINDEX- TER, a citizen of the United States, residing at Indianapolis, in the county of Marion and State of Indiana, have invented a new and useful Improvement in Saw Jointers and Gages, of which the following is a specification.
My invention relates to an improvement in saw jointers and gages, and is an improvement on my Patents No. 150,431, dated May 5, 1874, and No. 164,762, dated June 22, 1875.
The objects of my invention are, first, to provide a device for holding and curving a file for jointing a saw, and, second, to afford facilities for gaging the teeth. These objects I accomplish by the mechanism illustrated in the accompanying drawings, in which- Figure 1 represents a side elevation of one side of the device. Fig. 2 is a side elevation of the opposite side of the device, and Fig. 3 is a top view.
Similar letters refer to like parts throughout the several views.
0 O and I represen tthe main casting or skeleton-frame, which is provided with the gage plates or flangesAA at the top, projecting from one side, also lugs G G, which project from the opposite side of the frame.- Between the flanges A A is a space to receive the gageplate B, which is secured by the screw d to a side projecting base or flange, D,
The gage-plateB is provided with a slit, P, through which the points of the chisel or raking teeth of the saw project, so that their points may be dressed perfectly square by moving a file over the top of the gage-plate.
The lower part of the casting O O I is provided with two flanges, a and b, in the center of which is an adjusting clamp-screw, E This screw fits loosely in a holeforined in the lower flange, b, but its upper end is screwed into a screw-threaded hole formed in the flange a, as shown. Above the flange a the casting O O I is provided with ribs H H, which unite the flange awith that part 01' the casting which holds the gage-plate B. On each side of the ribs H H are open spaces, and in the center (ModeL) of the casting O O is formed a broad rib, I. In front of this rib I is the curved clamp-block E, which is locked and held in place by passingthe ends ff behind the ribs H H, as shown in Fig. 1. The central part of the block E, on the lower side, is provided with a flange, E, against which the end of the screw E operates, and by means of which the file F may be firmly clamped between the block E and projectingflangeD of theframe, as shown in Fig.1.
The operation of my improved device is as follows: The file F is placed between the flange D, lugs G G, and block E, and made fast by the screw E The outer edges of the ribs a. and b are then placed against the side of the saw, with the file resting on the points of the teeth. The file may then be curved to conform with thebreastof the saw-teeth by adj ustingthe screw E The device is then moved along the saw, backward and forward, until the points of all the teeth have been dressed or jointed even, after which the casting O O I is reversed, and the opposite side, or that side shown in Fig. 2, is placed against the saw-blade. The points of the chisel or raking teeth of the saw are permitted to project through the slit P in the gage-plate B far enough to permit the extreme points of said teeth to be dressed oft perfectly square, the gage-plate B preventing the file from dressing the teeth unevenly.
What I claim as new, and desire to secure by Letters Patent, is
1. In a saw jointer and gage, the cast frame 0 O I, combined with the gage-plate B, having a slit, P, as and for the purpose specified.
2. In a saw jointer and gage, the cast frame 0 O I, provided with flanges A A D a b, ribs H H, and projecting lugs G G, combined with the clamp-plate E and screw E", as and for the purpose specified.
In testimony whereof I have signed my name to this specification in the presence of two subscribing witnesses.
ROBERT E. POINDEXTER.
Witnesses:
E. O. FRINK, GEORGE H. BENNETT. I
Publications (1)
Publication Number | Publication Date |
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US246414A true US246414A (en) | 1881-08-30 |
Family
ID=2315740
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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US246414D Expired - Lifetime US246414A (en) | Eobeet b |
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US (1) | US246414A (en) |
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- US US246414D patent/US246414A/en not_active Expired - Lifetime
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