US Patent: 599,169
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Pipe Wrench
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Patentee:
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Thomas Forstner (exact or similar names) - New Ulm, MN |
Manufacturer: |
Not known to have been produced |
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Patent Dates:
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Applied: |
Apr. 26, 1897 |
Granted: |
Feb. 15, 1898 |
Patent Pictures:
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Thomas Forstner patent February 15, 1898 |
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Stan Schulz
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Description: |
The movable jaw base has a cam-lever actuated toothed gripping block that meshes with rack teeth on the main shank. The toothed jaw can rock in the movable jaw frame and is pushed toward the shank by a leaf spring.
The wrench received Canadian patent no. 62,999 April 27, 1899. |
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