US206908A - Improvement in crosscut-saw handles - Google Patents
Improvement in crosscut-saw handles Download PDFInfo
- Publication number
- US206908A US206908A US206908DA US206908A US 206908 A US206908 A US 206908A US 206908D A US206908D A US 206908DA US 206908 A US206908 A US 206908A
- Authority
- US
- United States
- Prior art keywords
- saw
- crosscut
- improvement
- handle
- clamping
- 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
- 241000763859 Dyckia brevifolia Species 0.000 description 4
- 229910001296 Malleable iron Inorganic materials 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000000875 corresponding Effects 0.000 description 2
- CWYNVVGOOAEACU-UHFFFAOYSA-N fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 2
- 210000001699 lower leg Anatomy 0.000 description 2
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q13/00—Equipment for use with tools or cutters when not in operation, e.g. protectors for storage
Definitions
- My invention consists in the employment of a metallic extension-shank, consisting of a single bar, socketed at its outer end to receive the handle, and having a slotted clampingbolt formed upon its inner end, such bolt bein g threaded externally to receive the clamping-nut upon its upper end, and in the employment of a collar having several notches of difl'erent depths, in combination with the clamping bolt and nut.
- the extension-shank B I preferably form of malleable iron, and it is provided with the handle-socket at its outer end. At or near its opposite end, and upon the upper side, is.
- the saw-clamping bolt 0. This has a slot, 11', cored out to receive the end of the saw. It is threaded at the upper end to receive the clamping-nut a. In the track of the slot 1) is formed a lug, d, projecting upward to catch in a corresponding notch cut in the lower edge of the saw, as shown in Fig. 1.
- the upper side of the shank may. be chambered, as indieated at n, Fig. 2, either a part or the whole distance from the handle-socket to the clamping-bolt.
- the lug d may be arranged at any desired point.
- the collar 0 is provided with notches z in its lower edge to receive the upper edge of the saw. There may be a series of notches, of different depths, to adapt the clamp to different widths of saws.
- the nut 60 is run up on the clamping-bolt C, the collar 0 raised, and the end of the saw inserted through the slot 1) until the lug d registers to the notch in the lower edge of the saw, when the latter is placed in position and the nut screwed down until the collar is forced down upon the saw and the latter firmly clamped to the handle.
- the object of the counter-extension D is to stiffen the saw-blade beyond the slotted clamping-bolt.
- a sin gle-bar metallic extension-shank, B its upper side having a groove, n, its outer end being socketed to receive the lower end of the handle H, and having formed upon its inner end a slotted coupling-bolt, O, projecting upward, and threaded externally at the upper end to receive the clamping-nut a, and provided with a locking-lug, d, the parts all being arranged, relatively, as shown and described, for the purposes set forth.
Description
U M. E. TRUE. Crossout-Saw Handle.
NE. 206,908. Patented Aug. 13. 1878.
Vii/leaves. In mzzz Z2)".
UNITED STATES PATENT OFFICE.
MOSES E. TRUE, 0F BATAVIA, NEW YORK.
IMPROVEMENT IN CROSSCUT-SAW HANDLES.
Specification forming part of Letters Patent No. 206,908, dated August 1.3, H78; application filed April 27, 1878.
To all whom it may concern:
Be it known that I, MosEs E. TRUE, of Batavia, in the county of Genesee and State of New York, have invented certain new and useful Improvements in Crosseut-Saw Handles; and I do hereby declare that the following is a full, clear, and exact description thereof, reference being had to the accompanying drawings, making part of this specification, in whic'h- Figure 1 is a side sectional elevation of my invention. Fig. 2 is a transverse section on the dotted line a: in Fig. 1, looking in the direction of the arrow.
My invention consists in the employment of a metallic extension-shank, consisting of a single bar, socketed at its outer end to receive the handle, and having a slotted clampingbolt formed upon its inner end, such bolt bein g threaded externally to receive the clamping-nut upon its upper end, and in the employment of a collar having several notches of difl'erent depths, in combination with the clamping bolt and nut.
The extension-shank B, I preferably form of malleable iron, and it is provided with the handle-socket at its outer end. At or near its opposite end, and upon the upper side, is.
formed the saw-clamping bolt 0. This has a slot, 11', cored out to receive the end of the saw. It is threaded at the upper end to receive the clamping-nut a. In the track of the slot 1) is formed a lug, d, projecting upward to catch in a corresponding notch cut in the lower edge of the saw, as shown in Fig. 1. The upper side of the shank may. be chambered, as indieated at n, Fig. 2, either a part or the whole distance from the handle-socket to the clamping-bolt.
The lug d may be arranged at any desired point.
The collar 0 is provided with notches z in its lower edge to receive the upper edge of the saw. There may be a series of notches, of different depths, to adapt the clamp to different widths of saws.
To attach the handle to the saw the nut 60 is run up on the clamping-bolt C, the collar 0 raised, and the end of the saw inserted through the slot 1) until the lug d registers to the notch in the lower edge of the saw, when the latter is placed in position and the nut screwed down until the collar is forced down upon the saw and the latter firmly clamped to the handle.
The great advantage in attaching the extension-shank and handle to the lower edge of the saw instead of as heretofore practiced is, the hands of the operator are more nearly in the line of draft and resistance, and the saw is, proportionally, more easily guided.
By having the clamping-bolt, extensionshank, 830., formed in one piece there are just so many less parts to become detached and lost.
The object of the counter-extension D is to stiffen the saw-blade beyond the slotted clamping-bolt.
I do not claim such a construction of sawhandle attachments as that set forth in the patents of Gerlach, May 8, 1877; of Millspaugh, December 14,1875; of Ohlen, August 18,1868, and of Ballard, April 1, 1870; but
What I claim as my invention is- 1. As an improvement in crosscut-saw handle attachments, a sin gle-bar metallic extension-shank, B, its upper side having a groove, n, its outer end being socketed to receive the lower end of the handle H, and having formed upon its inner end a slotted coupling-bolt, O, projecting upward, and threaded externally at the upper end to receive the clamping-nut a, and provided with a locking-lug, d, the parts all being arranged, relatively, as shown and described, for the purposes set forth.
2. In combination with the extension-shank, clamping-bolt (J, and nut a, the collar 0, having a series of notches of different lengths, whereby the handle-clamp is adapted to saw-blades of difierent widths, as set forth.
MOSES E. TRUE.
Witnesses WM. S. LoUeHBoRoUeH, WM. G. WATSON.
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US206908A true US206908A (en) | 1878-08-13 |
Family
ID=2276312
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US206908D Expired - Lifetime US206908A (en) | Improvement in crosscut-saw handles |
Country Status (1)
| Country | Link |
|---|---|
| US (1) | US206908A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2774586A (en) * | 1954-06-14 | 1956-12-18 | American Floor Surfacing Mach | Floor scraping machine having floating scraper |
| US2895514A (en) * | 1954-08-19 | 1959-07-21 | John W Wright | Portable reciprocating power saw |
-
0
- US US206908D patent/US206908A/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2774586A (en) * | 1954-06-14 | 1956-12-18 | American Floor Surfacing Mach | Floor scraping machine having floating scraper |
| US2895514A (en) * | 1954-08-19 | 1959-07-21 | John W Wright | Portable reciprocating power saw |
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