US Patent: 1,978,060
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Work Feeding Device
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Patentee:
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Arthur A. Rickert (exact or similar names) - Erie, Erie County, PA |
Manufacturer: |
Not known to have been produced |
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Patent Dates:
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Applied: |
Aug. 18, 1931 |
Granted: |
Oct. 23, 1934 |
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Joel Havens "Vintage Machinery" entry for Rickert-Shafer Co.
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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. |
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