US Patent: 1,989,476
|
| Expansion reamer
|
|
Patentee:
|
|
| William H. Evans (exact or similar names) - Chicago, IL |
|
|
Patent Dates:
|
| Applied: |
Sep. 26, 1931 |
| Granted: |
Jan. 29, 1935 |
USPTO (New site tip)
Google Patents
Report data errors or omissions to steward
Jeff Joslin
Vintage Machinery entry for Lempco Products, Inc.
|
|
Description: |
| Evans Flexible Reamer Corp. was acquired in 1943 by Lempco Products, Inc., and renamed to Evans Reamer & Machine Co. This expansion reamer provides cutting edges that maintain ideal cutting angle, with the cutting edges trailing the radial axes, even as the reamer's diameter is adjusted. This result is accomplished by shifting the reamer segments sideways as they are expanded. |
|
