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2638332
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Information
Patent Grant
2638332
References
Source
Patent Number
2,638,332
Date Filed
Not available
Date Issued
Tuesday, May 12, 1953
71 years ago
CPC
E21C29/10 - Cable or chain co-operating with a winch or the like on the machine
Y10T74/19037 - One path includes fluid drive
Y10T74/19172 - Reversal of direction of power flow changes power transmission to alternate path
Y10T137/7923 - With means to protect spring from fluid
US Classifications
299 - Mining or in situ disintegration of hard material
074 - Machine element or mechanism
137 - Fluid handling
192 - Clutches and power-stop control
251 - Valves and valve actuation
475 - Planetary gear transmission systems or components
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