US Patent: 533,342
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| Socket Wrench
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Patentee:
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| Michael Brassell (exact or similar names) - Boston, MA |
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Patent Dates:
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| Applied: |
Jan. 06, 1894 |
| Granted: |
Jan. 29, 1895 |
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Patent Pictures:
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Michael Brassell patent January 29, 1895 |
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Stan Schulz
BRASSELL Wrench edited from Nov. 1895 HARDWARE (FLICKR)
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Description: |
| The socket is formed of two jaw sections with fine rack teeth on the exterior faces that can be positioned within a tapered seat in the "T" handle to adjust the size. A compression spring between the two jaw sections keeps them open and engaged with the enclosing seat.
Ken Cope's "American Wrench Makers 1830-1930" notes an 1895 IRON AGE item about the wrench's production. |
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