US113048A - Improvement in turning-lathes - Google Patents
Improvement in turning-lathes Download PDFInfo
- Publication number
- US113048A US113048A US113048DA US113048A US 113048 A US113048 A US 113048A US 113048D A US113048D A US 113048DA US 113048 A US113048 A US 113048A
- Authority
- US
- United States
- Prior art keywords
- turning
- turned
- lathes
- improvement
- mandrel
- 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
- 239000002023 wood Substances 0.000 description 5
- 150000001875 compounds Chemical class 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27C—PLANING, DRILLING, MILLING, TURNING OR UNIVERSAL MACHINES FOR WOOD OR SIMILAR MATERIAL
- B27C5/00—Machines designed for producing special profiles or shaped work, e.g. by rotary cutters; Equipment therefor
- B27C5/08—Rounding machines
Definitions
- Y braces, legs, or bars are of necessity or for appearance' employed, and these usually are uished up plain, or else carved at considerable expense, and a Want has been felt of a lathe suitable to turning in ornamentalsections or rings the surface of such curved pieces.
- My invention is made to meet this want, and con sists in a hollow mandrel-head, with side straps reaching to the shaft that carries' the pulley and runs 4upon the back center.
- the hollow mandrel is' short, like a thimble, and into this is introduced a movable block, through which passes the curved piece of wood to be turned, and it is clamped within this block so that the projecting end of the wood can be turned, and then the curved piece of wood moved through further and another section turned, 'and so on.
- the frame or head a b is of usual construction, eX- cept that the opening for the hollow mandrel or thimble c is larger than usual, so as to t said mandrel.
- the side straps del are formed with or connected to the mandrel c, and extend to the shaft e that runs in the frame b or upon a movable center, as usual.
- the curved strip .of wood g is passed through ⁇ a properly-shaped opening in the movable block h, that lits between the slings or straps al and within the mandrel c, and clamping-screws or bands are employed to secure the strip g within the block h, s o that the projecting end may be turned by a tool held upon any suitable rest, and then the strip be loosened and pushed furtherv through the block h, so that another4 section can be turned, and so on until completed.
- the rest for the tool must be sufficiently short to be clear of the revolving curved projecting portionl of the strip y, and said ,rest may be attached upon the frame or head (t. A
- the hollow mandrel c, straps al, and shaft c form in substance a compound mandrel, through which the material to be'turned can be passed, in consequence of the lateral openings between the straps d; and the block h, or clamping device that holds the piece of Wood to be turned within the hollow mandrel, is to be of a shape and character best adapted to the work to be performed.
- I claim as my inventionf The hollow mandrel, with lateral openings between the straps b, and means for Aholding and clamping the curved piece to be turned, substantially as and for the purposes set forth.
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Wood Science & Technology (AREA)
- Forests & Forestry (AREA)
Description
mit iaia sind @fitte Q PIERRE J. HA.RDY, 0E EW'YORK, N. Y.
Letters Patent No. 113,048, dated March 28, 1871 antedated March 24, 1871.
IM PRQVEMENT l-N TURNING-LATHES.
The Schedule referred to in these Lett-exs Patent and making part of the same.
Y braces, legs, or bars are of necessity or for appearance' employed, and these usually are uished up plain, or else carved at considerable expense, and a Want has been felt of a lathe suitable to turning in ornamentalsections or rings the surface of such curved pieces.
My invention is made to meet this want, and con sists in a hollow mandrel-head, with side straps reaching to the shaft that carries' the pulley and runs 4upon the back center.
The hollow mandrel is' short, like a thimble, and into this is introduced a movable block, through which passes the curved piece of wood to be turned, and it is clamped within this block so that the projecting end of the wood can be turned, and then the curved piece of wood moved through further and another section turned, 'and so on.
In the drawing I have represented in- Figure 1, alongitudinal section of the said lathe;`
and in l Figure 2, a cross-section at the vline :t x.
The frame or head a b is of usual construction, eX- cept that the opening for the hollow mandrel or thimble c is larger than usual, so as to t said mandrel.
The side straps del are formed with or connected to the mandrel c, and extend to the shaft e that runs in the frame b or upon a movable center, as usual.
Around the shaft e is the pulley f, by which the parts are rotated.
The curved strip .of wood g is passed through `a properly-shaped opening in the movable block h, that lits between the slings or straps al and within the mandrel c, and clamping-screws or bands are employed to secure the strip g within the block h, s o that the projecting end may be turned by a tool held upon any suitable rest, and then the strip be loosened and pushed furtherv through the block h, so that another4 section can be turned, and so on until completed.
The rest for the tool must be sufficiently short to be clear of the revolving curved projecting portionl of the strip y, and said ,rest may be attached upon the frame or head (t. A
The hollow mandrel c, straps al, and shaft c form in substance a compound mandrel, through which the material to be'turned can be passed, in consequence of the lateral openings between the straps d; and the block h, or clamping device that holds the piece of Wood to be turned within the hollow mandrel, is to be of a shape and character best adapted to the work to be performed.
I claim as my inventionf The hollow mandrel, with lateral openings between the straps b, and means for Aholding and clamping the curved piece to be turned, substantially as and for the purposes set forth.
Signed this 9th day of August, 1870.
PIERRE J. HARDY.
Witnesses:
HAROLD SERRELL, GEO. T. PINCKNEY.
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US113048A true US113048A (en) | 1871-03-28 |
Family
ID=2182514
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US113048D Expired - Lifetime US113048A (en) | Improvement in turning-lathes |
Country Status (1)
| Country | Link |
|---|---|
| US (1) | US113048A (en) |
-
0
- US US113048D patent/US113048A/en not_active Expired - Lifetime
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