US Patent: 2,618,179
|
Hydraulic control for drill feeding units
|
Patentee:
|
|
Claude E. Broders (exact or similar names) - Detroit, MI |
|
Patent Dates:
|
Applied: |
Jan. 11, 1950 |
Granted: |
Nov. 18, 1952 |
USPTO (New site tip) Google Patents
Report data errors or omissions to steward
Jeff Joslin Vintage Machinery entry for Govro-Nelson Co.
|
Description: |
This patent is an improvement on patents 2,053,514 (reissued as RE21,341) and 2,426,386. The improvement substitutes a hydraulic dash-pot for an air dash-pot, plus a mechanism to automatically bleed air from the mechanism. |
|