Mechanical chain adjuster for scraper elevator chains

Details Mechanical chain adjuster for scraper elevator chains Mechanical chain adjuster for scraper elevator chains

1977-11-14

1978-12-12

Eickholt, E.H.

Excavating

Peat excavators

198813, 198816, 742421R, B60P 136, B65G 2344

Patent

active

041289528

ABSTRACT:
A chain tension maintenance device for use with the bowl loading elevator of the excavating scraper variety which is adjustable to vary the slack in the chain and paddle structure. At least one idler arm having bell crank geometry is pivotally mounted to the elevator frame through a first pivot point. An idler wheel axially mounted at a second pivot point of the idler arm, is urged into tension maintaining contact with the elevator chains by force exerted through the third pivot point of the idler arm by an adjustable turnbuckle grounded to the elevator frame.

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patent: 3161280 (1964-12-01), Creighton et al.
patent: 3444750 (1969-05-01), Stuller
patent: 3665780 (1972-05-01), Lunenschloss
patent: 3826149 (1974-07-01), Freese
patent: 3930323 (1976-01-01), Marold
patent: 3934362 (1976-01-01), Hyler

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