Patent information:
| Patent: | Utility 1,937,184 |
| Patented: | November 28, 1933 |
| Applied: | September 22, 1930 |
| Title: | Jigger |
| Description: | Jiggering machine using centrifugal force to cut out the interior of bushings |
| Category: | Manufacturing |
| Assigned to: | The Ohio Brass Co. |
Patentee Information:
| AUSTIN, Arthur O. | Barberton, OH |
Class and subclass information:
| Class: | 264 | PLASTIC AND NONMETALLIC ARTICLE SHAPING OR TREATING: PROCESSES |
| Subclass: | 310 | MECHANICAL SHAPING OR MOLDING TO FORM OR REFORM SHAPED ARTICLE; Shaping against forming surface (e.g., casting, die shaping, etc.); By rotation of material or material shaping member; |
| Class: | 425 | PLASTIC ARTICLE OR EARTHENWARE SHAPING OR TREATING: APPARATUS |
| Subclass: | 267 | POTTERY WHEEL TYPE SUPPORT AND PROFILE; Rotatable profile tool; |
| Class: | 425 | PLASTIC ARTICLE OR EARTHENWARE SHAPING OR TREATING: APPARATUS |
| Subclass: | 459 | PROFILE, JIGGER TOOL OR POTTER'S WHEEL PER SE; |
Known specimens:
| None known |
Drawings:
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