US Patent: 2,977,040
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| Pneumatic pressure boosting apparatus
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Patentees:
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| David H. Dulebohn (exact or similar names) - Minneapolis, MN |
| Robert M. Gold (exact or similar names) - Minneapolis, MN |
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Patent Dates:
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| Applied: |
Aug. 09, 1957 |
| Granted: |
Mar. 28, 1961 |
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Jeff Joslin
Vintage Machinery entry for Dayton Rogers Mfg. Co.
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Description: |
| The invention is an air compressor that is operated by compressed air. Canada patent CA-658,136 is equivalent to this US patent.This patent number was seen in a Dayton Rogers catalog on their Model H-4 (max 200 psi output) and H-4B (max 300 psi output) Pneumatic Booster Pump. The primary use case mentioned in the patent is for providing high pressure air to that company's pneumatic die cushions. |
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