US Patent: 84,605
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Improvement in Wrenches Baxter's Adjustable S-Wrench
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Patentee:
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William Baxter (exact or similar names) - Newark, NJ |
USPTO Classifications: |
81/77 |
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Patent Dates:
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Granted: |
Dec. 01, 1868 |
Patent Pictures:
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William Baxter patent Dec. 1, 1868 |
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Stan Schulz
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Description: |
Adjustable S-Wrench consisting of two pieces mortised into each other, and connected with a left- and right-hand screw with a central knurl. With a graduated scale stamped on the side, the design could also function as an outside calipers.
Corresponding British patent GB-186803985 (i.e. 3,985 of 1868) was granted Dec. 31, 1868.
Improvements to the tenons were addressed in Baxter's July 17, 1883 patent (no. 281,432). |
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