US Patent: 1,104,730
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Pipe Wrench
Instantaneous Grip Chain Wrench
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Patentee:
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| Walter James Hamblin (exact or similar names) - Perth, Western Australia Australia |
| USPTO Classifications: |
| 81/68 |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
May 12, 1914 |
| Granted: |
Jul. 21, 1914 |
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Patent Pictures:
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Walter James Hamblin patent July 21, 1914 |
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Stan Schulz
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Description: |
| The gripping surface is shaped to allow for gripping action at various points around the head. The drawing shows two alternatives. The patent also addresses the chain and first link.
Corresponding Canadian patent no. CA-163,522 was granted June 29, 1915.
An April 1922 "new product" announcement from the HAMBLIN TOOL MFG. CO. of Newark, NJ in the "American Machine Tool Record" describes a HAMBLIN Reversible Chain Wrench; it does not include an illustration so any connection to this patent is purely speculation. |
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