US434010A - Band-saw guide - Google Patents
Band-saw guide Download PDFInfo
- Publication number
- US434010A US434010A US434010DA US434010A US 434010 A US434010 A US 434010A US 434010D A US434010D A US 434010DA US 434010 A US434010 A US 434010A
- Authority
- US
- United States
- Prior art keywords
- saw
- disk
- guide
- band
- saws
- 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
- 230000000875 corresponding Effects 0.000 description 8
- 238000010276 construction Methods 0.000 description 6
- 239000007787 solid Substances 0.000 description 6
- 239000000203 mixture Substances 0.000 description 4
- 230000036633 rest Effects 0.000 description 4
- 229910000760 Hardened steel Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000007790 scraping Methods 0.000 description 2
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27B—SAWS FOR WOOD OR SIMILAR MATERIAL; COMPONENTS OR ACCESSORIES THEREFOR
- B27B13/00—Band or strap sawing machines; Components or equipment therefor
- B27B13/10—Guiding equipment for the band saw blade, e.g. guide rollers, back guides, side guides
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T83/00—Cutting
- Y10T83/869—Means to drive or to guide tool
- Y10T83/8878—Guide
- Y10T83/8881—With anti-friction means
- Y10T83/8884—Disc
Definitions
- My invention has for its object to produce a guide for band-saws which shall be simple
- FIG. 1 is a side elevation of my novel guide complete; Fig. 2, a front elevation corresponding therewith; Fig. 3, a horizontal section looking down; Fig. 4, a rear View corresponding with Fig. 1, and Fig. 5 a side elevation corresponding with Fig. 1; Fig. 6, a front elevation corresponding with Fig. 2; Fig. 7, an inverted plan view; Fig. 8, a rear elevation, as in Fig. 5; and Fig. 9, a rear elevation of a form of my novel. guide in which I have introduced slight changes in the details of construction, which I preferably adopt in guides for heavy saws, it being understood, of course, that the principles of my invention are equally adapted to all classes of bandsaws from the heaviest to the lightest.
- T-sleeve 1 denotes the body of the guide, which is provided with an arm 2, by which the device is held in place.
- This arm passes through the horizontal portion of a T-sleeve 3, where it is locked at any desired position by a set-screw 4.
- the vertical portion of the T- sleeve is cast solid, and is bored out to lit the special vertical arm (not shown) with which it is to be used, it being secured thereto by a set-screw 5.
- the first important feature of my invention consists of a disk 6, rigidly attached to a spindle 7 and carried by the movement of the saw, said spindle turning freely in a socket 8, which slides in the body, being locked at any desired adjustment by a setscrew 9.
- This disk may be made of vitreous materialfor example, glass-or of metal, if preferred.
- the second important feature of my invention consists of the adjustable tilting guideplates between which the saw rests.
- 1O denotes the inner guide-plates,which are secured firmly to the body in any suitable manner, ordinarily by screws.
- 11 denotes the outer guide-plates, which are held in position by central and outer screws 12 and 13, respectively.
- the outer plate is adjusted to the gage of the saw by means of the central screw 12, which passes through plate 11, and is locked in position by means of the outer screws 13, which pass through the outer guideplates and bear against the surface of the inner guide-plates.
- Slight sockets may be provided to receive the points of these screws.
- a saw-guide consisting, essentially, of a body, a disk mounted therein at one side of the track of the saw, so that said saw will bear against the face of the disk near the edge thereof, and guide-plates between which the saw passes, the disk giving a firm support to the saw and the latter acting to rotate the disk.
- a disk capable of rotation and mounted at one side of the track of the saw which bears against the face of the disk near the edge thereof, so that the forward movement of the saw imparts rotation to the disk, as and for the purpose set forth.
Description
(No Model.)
' 2Sheets-Sheet 1. U. E. WRIGHT.
BAND SAW GUIDE.
Patented Aug. 12, 1890.
W// 55555 Q i7 vs 22% (No Model) v 2 sheetssheet 2.
'0. E. WRIGHT. BAND S'AW GUIDE.
No. 434,010. Pat nted Aug. 12, 1890.
Ill #735555 l7 V727/ pwg mw 4 Tu: Noam urns co, Mme-(1mm, wunlus'rau, n. c.
UNITED ATENT FFICE.
CHARLES \VRIGI-IT, OF YVATERBURY, CONNECTICUT.
BAND-SAW GUIDE.
SPECIFICATION forming part of Letters Patent No. 434,010, dated August 12, 1890. Application filed December 26, 1888. Serial No. 294,582. (No model.)
To all whom it may concern.-
Be it known that 1, CHARLES E. WRIGHT, a citizen of the United States, residing at \Vaterbury, in the county of New Haven and State of Connecticut, have invented certain new and useful Improvements in Band-Saw Guides; 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.
My invention has for its object to produce a guide for band-saws which shall be simple,
durable, and economical in construction,
referring by numbers to the accompanying drawings, forming part of this specification, in whicl1- Figure 1 is a side elevation of my novel guide complete; Fig. 2, a front elevation corresponding therewith; Fig. 3, a horizontal section looking down; Fig. 4, a rear View corresponding with Fig. 1, and Fig. 5 a side elevation corresponding with Fig. 1; Fig. 6, a front elevation corresponding with Fig. 2; Fig. 7, an inverted plan view; Fig. 8, a rear elevation, as in Fig. 5; and Fig. 9, a rear elevation of a form of my novel. guide in which I have introduced slight changes in the details of construction, which I preferably adopt in guides for heavy saws, it being understood, of course, that the principles of my invention are equally adapted to all classes of bandsaws from the heaviest to the lightest.
1 denotes the body of the guide, which is provided with an arm 2, by which the device is held in place. This arm passes through the horizontal portion of a T-sleeve 3, where it is locked at any desired position bya set-screw 4. In practice the vertical portion of the T- sleeve is cast solid, and is bored out to lit the special vertical arm (not shown) with which it is to be used, it being secured thereto by a set-screw 5.
The first important feature of my invention consists of a disk 6, rigidly attached to a spindle 7 and carried by the movement of the saw, said spindle turning freely in a socket 8, which slides in the body, being locked at any desired adjustment by a setscrew 9. This disk may be made of vitreous materialfor example, glass-or of metal, if preferred.
In practice I ordinarily make the disks of hardened steel. The exact diameter of these disks is not of the essence of my invention. They may be made large or small, as preferred, depending to a certain extent upon the class of saws upon which they are used and the work to be performed thereby.
In practice I preferably make the parts of about the proportions shown in the drawings, the disk being for ordinary-sized saws three inches (more or less) in diameter.
Heretofore in this class of guides the backs of the saws have rested against solid supports, against the peripheries of disks, or else against the faces of disks at or near the centers, special mechanism being provided to rotate the disks. None of these systems have proved satisfactory in use. Where a solid back is used, the friction quickly causes sufficient heat to ruin the saw, destroying the temper, causing it to check and frequently.
to break. If oil is used, it quickly destroys the rubber faces of thelargc wheels by which the saws are carried. If the back of the saw is placed against the periphery of a disk, the bearing is too short, and the saws bend and frequently break if subjected to any strain. When the saw passes over the face of adisk, if the latter does not rotate, a groove is quickly worn. If the disk is caused to rotate,
a complicated mechanism is required, and no advantage is gained, as the scraping of the disk on the saw-back heats and quickly ruins it. If oil is used to overcome that trouble, the large wheels are ruined. In myimproved guide the back of the saw rests against the face or side of the disk near the edge thereof, as is clearly shown in Figs. 2 and 6, thereby giving to the saw a firm, straight bearing,
which may be given any reasonable length, depending upon the size of the disk. I thus secure ample bearing-surface for the saw, said surface moving with the saw, and at the same time I avoid friction, avoid complicated mechanism, and avoid the use of oil in connection with the saw itself.
The second important feature of my invention consists of the adjustable tilting guideplates between which the saw rests.
1O denotes the inner guide-plates,which are secured firmly to the body in any suitable manner, ordinarily by screws. 11 denotes the outer guide-plates, which are held in position by central and outer screws 12 and 13, respectively. The outer plate is adjusted to the gage of the saw by means of the central screw 12, which passes through plate 11, and is locked in position by means of the outer screws 13, which pass through the outer guideplates and bear against the surface of the inner guide-plates. Slight sockets may be provided to receive the points of these screws.
It will of course be understood that it is frequently desirable that the guide-plates between which the saw runs should be farthest apart at their outer edges on account of the thinness of the blade toward the back, or for various other reasons. This I readily accomplish and tilt the outer plate to any desired angle by turning the outer screws 13 in or out, as may be required, ordinarily by turning one in and the other out.
Should it be required to turn the entire guide upon the arm (not shown) by which it is supported, that is accomplished by loosening set-screw 5 and turning the T-sleeve more or less. It will be seen that by these adjustments Iam enabled to furnish a guide and support for the entire side of the saw or for any portion of it, as may be required, and without perceptible pressure or friction upon the saw. In changing from wide saws to narrow, or vice versa', the disk is adjusted in or out by loosening set-screw 9 and moving socket 8 and the disk in or out, as may be required.
' In the form illustrated in Figs. 5 to 9, in-
. elusive, instead of adjusting the disk in or in position by bolts and nuts 16, which pass through both sliding blocks and the body. 'In this form I provide an additional adjustment, which enables me to move the entire body and parts carried thereby laterally relatively to the saw. In this form arm 2, instead of being connected to the body, is connected to a slide 17 in the end of the body, which is locked in position by a bolt 18, which passes through a slot in the slide and engages the body.
I wish it distinctly understood that I do not limit my invention to the details of construction illustrated and described, as it is obvious that they may be greatly varied without departing from the principles of my invention.
I claim 1. A saw-guide consisting, essentially, of a body, a disk mounted therein at one side of the track of the saw, so that said saw will bear against the face of the disk near the edge thereof, and guide-plates between which the saw passes, the disk giving a firm support to the saw and the latter acting to rotate the disk. i
2. In a saw-guide, a disk capable of rotation and mounted at one side of the track of the saw which bears against the face of the disk near the edge thereof, so that the forward movement of the saw imparts rotation to the disk, as and for the purpose set forth.
3. In a saw-guide, the combination, with a disk mounted at one side of the track of the saw, so that the saw will rest against the face of the disk near its edge, of tilting guideplates on opposite sides of the saw and screws whereby said plates may be adjusted farthest apart at their outer edges.
4:. The combination, with a body and a disk mounted therein at one side of the track of the saw, so that the latter will bear against the face of the disk near its edge, of guideplates 10 and 11 on opposite sides of the sawtrack and screws 12 and 13, whereby said guide-plates maybe adjusted to saws thinnest at the back.
In testimony whereof I atfix my signature in presence of two witnesses.
CHARLES E. WRIGHT.
NVitnesses:
ROBERT A. LOWE, THOMAS DONOHUE.
Publications (1)
Publication Number | Publication Date |
---|---|
US434010A true US434010A (en) | 1890-08-12 |
Family
ID=2502914
Family Applications (1)
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US434010D Expired - Lifetime US434010A (en) | Band-saw guide |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20150330972A1 (en) * | 2012-12-28 | 2015-11-19 | Cellestis Limited | Cell mediated immune response assay |
-
0
- US US434010D patent/US434010A/en not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20150330972A1 (en) * | 2012-12-28 | 2015-11-19 | Cellestis Limited | Cell mediated immune response assay |
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