US Patent: 362,908
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| Wrench
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Patentee:
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| Walter E. Taft (exact or similar names) - Providence, RI |
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Patent Dates:
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| Applied: |
Jan. 17, 1887 |
| Granted: |
May 10, 1887 |
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Patent Pictures:
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Walter E. Taft patent May 10, 1887 |
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Stan Schulz
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Description: |
| The primary adjusting screw is typical for a monkey wrench of this type. The secondary final adjustment uses an extended lever handle connected to threaded base extending into a threaded socket in the ferule.
The wrench was advertised to the hardware trade in 1888, marketed as Taft's Vise Wrench. Known examples marked with a couple of different maker names.
Corresponding Canadian patent CA-27,810 was granted Oct. 13, 1887; the wrench also received British patent GB-188711095 registered Aug. 13, 1887.
Pat. no. 402,186 claims to be an improvement on supplementary tightening levers of this type. |
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