US Patent: 1,978,060
|
| Work Feeding Device
|
|
Patentee:
|
|
| Arthur A. Rickert (exact or similar names) - Erie, Erie County, PA |
| Manufacturer: |
| Not known to have been produced |
|
|
Patent Dates:
|
| Applied: |
Aug. 18, 1931 |
| Granted: |
Oct. 23, 1934 |
USPTO (New site tip) Google Patents
Report data errors or omissions to steward
Joel Havens "Vintage Machinery" entry for Rickert-Shafer Co.
|
|
Description: |
| Claim:
In a machine of the character described, the combination of a spindle; a collet in the spindle; a collet actuating member; a reciprocating air actuating means operating the member in which the spindle is journaled; an air housing distributing air to the opposite sides of the means; an air valve controlling the air delivered to the means; and means circulating cooling fluid in cooling relation with the housing. |
|