Scraper elevator power chain tensioning device

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

1974-12-09

1976-03-30

Gerin, Leonard H.

Machine element or mechanism

Gearing

Toothed gear and recirculated unconnected elements

F16H 712, F16H 710

Patent

active

039466191

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 relatively 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.

REFERENCES:
patent: 1929852 (1933-10-01), Reid
patent: 2610517 (1951-09-01), Hornbostel
patent: 3477766 (1969-11-01), Linsay
patent: 3581588 (1971-06-01), Eftefield
patent: 3647270 (1972-03-01), Althaus
patent: 3826149 (1974-07-01), Freese

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