CA Patent: CA-1,135
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Improvements in socket-wrenches
Cass' Ready Wrench
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Patentee:
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| James Fortune Cass (exact or similar names) - L'Orignal, ON Canada |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Jul. 28, 1871 |
| Granted: |
Sep. 09, 1871 |
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Patent Pictures:
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James Fortune Cass patent September 9, 1871 |
CIPO Data
Espacenet patent
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Stan Schulz
Search Canadian Patents 1869-1894
1,135 in Canadian Patents Database
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Description: |
| "Self-selecting" nested square sockets for a brace or other driver handle. Push the wrench down, and the smaller sockets retract. Each socket has a separate compression spring; the sockets have a split corner or are made as paired halves to fit size variations.
The parallel U.S. patent is no. 108,330 issued October 18, 1870.
The inventor's occupation was "gentleman". |
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