GB Patent: GB-204,589
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| Improvements in variable speed and reversing gearing
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Patentee:
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| Harold Walker Pearn (exact or similar names) - West Gorton, Manchester, England |
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Patent Dates:
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| Applied: |
Nov. 21, 1922 |
| Granted: |
Oct. 04, 1923 |
Espacenet patent
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Jeff Joslin
Vintage Machinery entry for Frank Pearn & Co., Ltd.
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Description: |
| See also Canada patent CA-239,508."Variable-speed gearing comprises an epicyclic train controlled by a variable-speed chain gear of known type. A driven casing h carries planet gears g, j meshing respectively with gears f, k upon shafts e, e1. The shaft e is driven from driving-shaft a through constant-speed chain pair d, b. The shaft e1 is driven from the shaft a through variable chain pair l, c the construction of which is no part of the invention." |
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