CA Patent: CA-18,038
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Wrench
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Patentee:
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Peter Rotermund (exact or similar names) - Eureka, CA |
Manufacturer: |
Not known to have been produced |
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Patent Dates:
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Applied: |
Aug. 14, 1883 |
Granted: |
Nov. 04, 1883 |
Patent Pictures:
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ROTERMUND's Wrench patent no. 18,038 from CANADIAN PATENT OFFICE RECORD |
CIPO Data
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Stan Schulz 18,038 in Canadian Patents Database
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Description: |
The main feature of the patent is the swinging toothed side piece on the movable jaw which engages with teeth on the shank to hold adjustment. The patented feature is the shape of the teeth which would clear the corresponding grooves of dirt.
The DATAMP entry for corresponding U.S. patent no. 265,445 has clearer drawings. |
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