Vibrator equipped grab bucket

Details Vibrator equipped grab bucket Vibrator equipped grab bucket

1976-07-16

1978-04-18

Crowder, Clifford D.

Excavating

Clamshell bucket

Common pivot

37 71, 37DIG18, 74 87, 173 49, 404117, E02F 344, B66C 302

Patent

active

040843360

ABSTRACT:
A grab bucket for a grab dredger having a vibrator of waterproof construction mounted on the interior of a bucket shell for causing forced vibration of the grab bucket.

REFERENCES:
patent: 1674392 (1928-06-01), Flansburg
patent: 2892353 (1959-06-01), Harshberger
patent: 3523614 (1970-08-01), Walker
patent: 3722381 (1973-03-01), Tuneblom
patent: 3896952 (1975-07-01), Yokota et al.
patent: 4012856 (1977-03-01), Schwarz

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