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Thomas Parkinson
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20,221. Parkinson, T. Sept. 26. Pulleys.-A loose pulley is formed with an annular chamber b, which is charged with a solid lubricant through an opening g. The chamber b contains a disk or ball f or a loose loaded paddle, which, when n the pulley rotates, churns the lubricant and forces it through holes d. leading to grooves e in the bearing-bush c. More than one disk &c. f may be used.
GB190820221D1908-09-261908-09-26Improvements in the Lubrication of Loose Sheaves, Pulleys and the like.
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