US Patent: 708,995
|
| Drilling-Machine
|
|
Patentee:
|
|
| William E. Butler (exact or similar names) - Bedford, Lawrence County, IN |
| Manufacturer: |
| Not known to have been produced |
|
|
Patent Dates:
|
| Applied: |
Jul. 23, 1901 |
| Granted: |
Sep. 16, 1902 |
|
Patent Pictures:
[
1 | 2 | 3 | 4 | 5
]
|
|
|
USPTO (New site tip)
Google Patents
Report data errors or omissions to steward
Joel Havens
|
|
Description: |
| Abstract:
My invention relates particularly to drilling-machines for use in boring brush-backs, &c., where it is advantageous to be able to drill a large number of holes, disposed at angles to each other, at one operation.
Claim:
In a drilling-machine, the combination of a suitable frame, and a rotatably (reversible) extensible two-part drill, comprising a spindle, through which power is applied, and a bit portion having threaded connection with the frame. |
|
){kind=link}
){kind=link}
){kind=link}
){kind=link}
){kind=link}