Scraper elevator power chain tensioning device

Details Scraper elevator power chain tensioning device Scraper elevator power chain tensioning device

F - Mech Eng,Light,Heat,Weapons

16

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214/55

F16H 7/12 (2006.01) F16H 7/08 (2006.01)

Patent

CA 1038820

ABSTRACT A chain tensioning device, especially for scraper elevators, in which the distance between the head and foot shafts of the elevator is power adjusted to obtain the proper chain tension. A pressure source delivering a rela- tively constant supply of low pressure hydraulic fluid, such as the charging circuit of a hydrostatic elevator drive, is used to static load a cylinder against the desired catenary loading under idle conditions to retension the chains.

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