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GB Patent: GB-249,682
Improvements relating to speed reduction gearing
Harold Walker Pearn - West Gorton, Manchester, England

USPTO Classifications:

Tool Categories:
metalworking machines : metalworking machine mechanisms : metalworking machine gearing

Frank Pearn & Co., Ltd. - West Gorton, Manchester, England

Frank Pearn & Co., Ltd. - West Gorton, Manchester, England


Patent Dates:
Applied: Apr. 09, 1925
Granted: Apr. 01, 1926

Patent Pictures:
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"Vintage Machinery" entry for Frank Pearn & Co., Ltd.
"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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