Excavating – Ditcher – Wheel excavator
Patent
1980-06-25
1982-04-13
Crowder, Clifford D.
Excavating
Ditcher
Wheel excavator
37189, 37DIG2, E02F 508
Patent
active
043240569
ABSTRACT:
A device for wiping or removing stones, or the like, especially intended for a ditch digging machine, having at least one digging blade which is mounted on a horizontally disposed, rotatable shaft, includes a wiper endpiece mounted on the shaft, which is disposed parallel to and a short distance apart from the digging blade. This endpiece is mounted in a slip clutch-like manner on the shaft and is maintained in its normal position by engagement with a spring-loaded rocker arm.
REFERENCES:
patent: 883017 (1908-03-01), Heck
patent: 2711035 (1955-06-01), Pitts
Collard Allison C.
Crowder Clifford D.
Galgano Thomas M.
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