Slack takeup apparatus for an endless excavating member

Details Slack takeup apparatus for an endless excavating member Slack takeup apparatus for an endless excavating member

1977-02-28

1978-09-05

Crowder, Clifford D.

Excavating

Ditcher

Wheel excavator

37189, E02F 508

Patent

active

041109201

ABSTRACT:
A slack takeup apparatus for a circular excavating rim includes a support frame and first and second rim engaging wheels mounted on the support frame in spaced-apart relation for rotation about stationary axes. A third rim engaging wheel is rotatably mounted at the free end of a pivot member connected to the support frame. An extensible power member is pivotally connected to and extended between the third wheel and support frame for pivotally moving the third wheel and pivot arm to take up slack between the wheels and circular rim.

REFERENCES:
patent: 1081454 (1913-12-01), Krupp
patent: 2908091 (1959-10-01), Spring
patent: 2946142 (1960-07-01), Swanson
patent: 3108387 (1963-10-01), Penote
patent: 3412490 (1968-11-01), Reising
patent: 3421235 (1969-01-01), Penote et al.
patent: 3610691 (1971-10-01), Penote et al.
patent: 3618676 (1971-11-01), Penote et al.

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