US1574152A - Saw guide for undercutting - Google Patents
Saw guide for undercutting Download PDFInfo
- Publication number
- US1574152A US1574152A US32078A US3207825A US1574152A US 1574152 A US1574152 A US 1574152A US 32078 A US32078 A US 32078A US 3207825 A US3207825 A US 3207825A US 1574152 A US1574152 A US 1574152A
- Authority
- US
- United States
- Prior art keywords
- spike
- bolt
- log
- undercutting
- saw guide
- 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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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
- B27B21/00—Hand saws without power drive; Equipment for hand sawing, e.g. saw horses
Definitions
- J. M. JENNINGS Smv GUIDE FOR UNDERGUTTING Filed may 22, 1925 2/ a a s.
- UNIT l STATE is a sz ersnr rric.
- the present invention relates to a saw guide and has for its principal object to provide a structure which will support and guide a saw, in order that a log may be cut from the underside.
- a tree When a tree has been uprooted, it is. supported a distance above the ground, substantially horizontally, by means of the roots and the branches of the tree, and it is desirable to cut the trunk of the tree from the underside so as to eliminate binding on the trough.
- Another important object of the invention is to provide a device of this nature which is adjustable to accommodate the saws of different sizes, and is also adjust, able to change the distance of the supporting roller from the log.
- a still further objectof the invention is to provide a device of this nature, which is exceedingly simple in its construction, easy to manipulate, strong, durable, eiiicient, reliable, and otherwise well adapted for the purpose for which it is designed.
- Figure 1 is a view of the device, associ ated with a log
- Figure 2 is a side elevation of the device, I
- Figure 3 is a plan view thereof.
- 1 designates a supporting device, which tapers toward one end so that it may be easily driven into a log, as indicated in Figure 1.
- a plate 2 is positioned on the upper surface of: the spike land has its intermediate portion curved from the spike, as is indicated at 3. 0n the corners of the plate 2 there are provided curved fingers 1-, which extend about the edges of the spike, so that the plate may he slid longitudinally thereof.
- a bolt5 extends between the intermediate portion 3 of the plate 2, and the adjacent portion of the spike 1. Washers 6 are provided on the bolt 1, at each edge of the spike 1, and are provided with extensions 7, as indicated in dotted lines in Figure 3,which engage the under surface of the spike 1.
- a bracket arm 8 pierces the head 9, of the bolt 5, be ing slidable therethrough and terminating in an eye 10, for-receiving the axle 11 of a grooved wheel 12. It is to be noted that the axle'li extends to one side of the spike 1 therebelow.
- a nut 13 is preferably provided with a crank handle 14, and is threadably engaged with the bolt 5, so that it may be tightened thereon to bear against the adjacent washer 6 thereby drawing the head through the adjacent washer 6. This action will draw the washers 6 against the edges of the spike 1, and force the bracket arm 8, in frictional engagement with the adjacent washer, thereby preventing movement of the-plate 2 longitudinally of the spike, and preventing movement of the arm 1 8 through the bolt head 9. It will be thus seen that the various "parts may be easily adjusted when :the nut 13 is loosened, so
- a device of the class described includ-' ing a spike adapted to be driven into a log, a plate slidable on the spike and having. its
- a device ofthe class described including a spike adapted to beidriven into a log, a plate slidable onthe spike and having its intermediate portion spaced therefrom,
Description
.Feb. 23,1926. 1,574,152
J. M. JENNINGS Smv GUIDE FOR UNDERGUTTING Filed may 22, 1925 2/ a a s.
Patented Feb. 23, 1925155,
UNIT l STATE is a sz ersnr rric.
SAW GUIDE FOR UNDERCUTIING.
Application filed m 22, 1925. Serial No. 32,078.
To aZZ whom it may concern:
Be it known that l, Josnrn M. JnnNiNcs, a citizen of the United States, residing at Centralia, in the county of Lewis and State of lVashington, have invented certain new and useful Improvements in Saw Guides for Undercutting, of which the following is a specification.
The present invention relates to a saw guide and has for its principal object to provide a structure which will support and guide a saw, in order that a log may be cut from the underside. When a tree has been uprooted, it is. supported a distance above the ground, substantially horizontally, by means of the roots and the branches of the tree, and it is desirable to cut the trunk of the tree from the underside so as to eliminate binding on the trough.
Another important object of the invention is to provide a device of this nature which is adjustable to accommodate the saws of different sizes, and is also adjust, able to change the distance of the supporting roller from the log.
A still further objectof the invention is to provide a device of this nature, which is exceedingly simple in its construction, easy to manipulate, strong, durable, eiiicient, reliable, and otherwise well adapted for the purpose for which it is designed.
lVith the above and numerous other objects in view, as will appear as the descrip tion proceeds, the invention resides in certain novel features of construction, and in the combination and arrangement of parts as will be hereinafter more fully described and claimed. I
In the drawing:
Figure 1 is a view of the device, associ ated with a log,
Figure 2 is a side elevation of the device, I
and
Figure 3 is a plan view thereof.
Referring to the drawing in detail, it will be seen that 1 designates a supporting device, which tapers toward one end so that it may be easily driven into a log, as indicated in Figure 1. A plate 2 is positioned on the upper surface of: the spike land has its intermediate portion curved from the spike, as is indicated at 3. 0n the corners of the plate 2 there are provided curved fingers 1-, which extend about the edges of the spike, so that the plate may he slid longitudinally thereof. A bolt5 extends between the intermediate portion 3 of the plate 2, and the adjacent portion of the spike 1. Washers 6 are provided on the bolt 1, at each edge of the spike 1, and are provided with extensions 7, as indicated in dotted lines in Figure 3,which engage the under surface of the spike 1. A bracket arm 8 pierces the head 9, of the bolt 5, be ing slidable therethrough and terminating in an eye 10, for-receiving the axle 11 of a grooved wheel 12. It is to be noted that the axle'li extends to one side of the spike 1 therebelow. A nut 13 is preferably provided with a crank handle 14, and is threadably engaged with the bolt 5, so that it may be tightened thereon to bear against the adjacent washer 6 thereby drawing the head through the adjacent washer 6. This action will draw the washers 6 against the edges of the spike 1, and force the bracket arm 8, in frictional engagement with the adjacent washer, thereby preventing movement of the-plate 2 longitudinally of the spike, and preventing movement of the arm 1 8 through the bolt head 9. It will be thus seen that the various "parts may be easily adjusted when :the nut 13 is loosened, so
that they may be placed in proper positions depending upon conditions, as will be apparent. The smooth edge of the sawis en'- gaged inv one of the grooves of the wheel 1.2
and may thus be reciprocated back and forth for undercutting the log. As the log is being undercut, it will have a tendency to break downwardly, at the strip being cut,
therefore preventing any binding on the saw. This is true in. the undercut, because the log is supported at its ends on its roots and branches. It is apparent that the device may be used under any circumstances, where the log issupported by its ends.
The present embodiment of the invention has been disclosed in detail, merely by way of example, and it is apparent that numerouschanges in the details of construction,
and in the combination and arrangement of parts may be resorted to, without departing from the spirit or scope of the invention as hereinafter claimed or sacrificing any of its advantages.
Having thus described my invention,
what I claim as new is:
1. A device of the class described includ-' ing a spike adapted to be driven into a log, a plate slidable on the spike and having. its
intermediate portion .spaced therefrom, a
llli
bolt extending between the intermediate portion of the plate and the adjacent portion of the spike, washers on the bolt having extensions disposed under the spike, a nut on the bolt, a bracket arm s'lidable through the bolt so that when the nut is tightened up, said arm is held in adjusted positions in relation to the bolt, and a wheel journaled on the end of the arm.
2. A device ofthe class described including a spike adapted to beidriven into a log, a plate slidable onthe spike and having its intermediate portion spaced therefrom,
a bolt extending between the intermediate portion of the plate and the adjacent portightened up, said arm is held in adjusted positions in-relation to the bolt, and a wheel journaled on the end of the arm, said wheel being provided with van annular groove.
In testimony whereof I aflix my signature.
JOSEPH M. JENNINGS.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US32078A US1574152A (en) | 1925-05-22 | 1925-05-22 | Saw guide for undercutting |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US32078A US1574152A (en) | 1925-05-22 | 1925-05-22 | Saw guide for undercutting |
Publications (1)
Publication Number | Publication Date |
---|---|
US1574152A true US1574152A (en) | 1926-02-23 |
Family
ID=21862980
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US32078A Expired - Lifetime US1574152A (en) | 1925-05-22 | 1925-05-22 | Saw guide for undercutting |
Country Status (1)
Country | Link |
---|---|
US (1) | US1574152A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2463860A (en) * | 1944-06-20 | 1949-03-08 | Roy E Foster | Mount for portable chain saws |
-
1925
- 1925-05-22 US US32078A patent/US1574152A/en not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2463860A (en) * | 1944-06-20 | 1949-03-08 | Roy E Foster | Mount for portable chain saws |
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