GB Patent: GB-249,682
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| Improvements relating to speed reduction 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: |
Apr. 09, 1925 |
| Granted: |
Apr. 01, 1926 |
Espacenet patent
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Jeff Joslin
Vintage Machinery entry for Frank Pearn & Co., Ltd.
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Description: |
| "n chain epicyclic reduction gearing a driving pulley, chain-wheel, &c. a concentric with the driven shaft b carries a pair of integral planetary sprockets f, g engaged by chains passing also over a sprocket d secured to the shaft b and a stationary sprocket c concentric therewith. The construction shown effects a low-speed reverse drive. A counterweight o is provided in the wheel, which may contain oil." |
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