US Patent: 1,822,428
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Wrench
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Patentee:
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John Zilliox (exact or similar names) - Orchard Park, Erie County, NY |
Manufacturer: |
Not known to have been produced |
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Patent Dates:
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Applied: |
Apr. 30, 1930 |
Granted: |
Sep. 08, 1931 |
Patent Pictures:
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John Zilliox patent Sept. 8, 1931 |
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Stan Schulz
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Description: |
Separable machine wrench heads for a handle. The handle has a square stud and a shoulder with a spring / ball retainer that presses on the outside of the connector part of the wrench heads. The wrench heads can be thought of as a type of "crow's foot" with eight-point openings for insertion of the square stud on the handle, and flat faces corresponding to the shoulder with the spring / ball retainer.
This patent was an improvement of patent #1,764,379.
John Zilliox worked for Park Metalware Co. of Orchard Park, NY. |
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