US Patent: 505,535
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| Ratchet Tool
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Patentee:
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| Urbanus Porstendorfer (exact or similar names) - Hartford, CT |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Nov. 02, 1892 |
| Granted: |
Sep. 26, 1893 |
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Patent Pictures:
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Urbanus Porstendorfer patent September 26, 1893 |
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Stan Schulz
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Description: |
| Slotted ratchet head that would function as a drill driver, ratchet screw driver, or with an extension bar and wrench sockets. The ratchet pawl can slide from side to side to reverse the ratchet direction. The end of the handle has a chuck for screwdriver bits and the like.
The tool received German patent no. 67,145 on February 27,1893. |
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