US Patent: 2,778,342
|
Poppet type valve distributing system for a servo-motor
|
Patentee:
|
|
Henry W. Ringman (exact or similar names) - Everett, WA |
|
Patent Dates:
|
Applied: |
Aug. 10, 1953 |
Granted: |
Jan. 22, 1957 |
USPTO (New site tip) Google Patents
Report data errors or omissions to steward
Jeff Joslin Vintage Machinery entry for Sumner Iron Works
|
Description: |
"This invention relates to power cylinders and controls therefor. More particularly, it has reference to improvements in power cylinders designed for use in connection with heavy equipment such as, for example, log turners, skid lifts and the like as used in sawmill operations; it being understood, however, that the invention is not to be limited to use with any specific type of application." |
|