CA Patent: CA-43,973
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| Key seat cutting machine
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Patentees:
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| Thomas Cummings Robertson (exact or similar names) - Galt, ON Canada |
| William Ewart (exact or similar names) - Galt, ON Canada |
| Alexander Graham Gourlay (exact or similar names) - Galt, ON Canada |
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Patent Dates:
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| Applied: |
Mar. 24, 1893 |
| Granted: |
Aug. 18, 1893 |
CIPO Data
Espacenet patent
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Jeff Joslin
"Vintage Machinery" entry for MacGregor, Gourlay & Co.
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Description: |
| Gourlay was described as a manufacturer, Ewart and a machinist, and Robertson as a draftsman."The object of the invention is to design a simple and effective machine for cutting key seats in pulleys, gear wheels, etc., and it consists of a heavy framed machine provided with an adjustable table supporting the work and suitable driving mechanism for imparting reciprocating motion to the cutter..." |
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