US Patent: 608,120
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Nut Wrench
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Patentee:
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William Heffner (exact or similar names) - Benton Harbor, MI |
Manufacturer: |
Not known to have been produced |
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Patent Dates:
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Applied: |
Aug. 12, 1897 |
Granted: |
Jul. 26, 1898 |
Patent Pictures:
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William Heffner patent July 26, 1898 |
USPTO (New site tip) Google Patents
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Stan Schulz
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Description: |
A threaded shaft extending the length of the wrench engages a nut which extends into slots in the side of the movable jaw. The shaft is connected to the exterior handle by a nut and pins. Turning the handle turns the threaded shaft. |
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