Under reaming pile bore excavating bucket and method of its exca

Details Under reaming pile bore excavating bucket and method of its exca Under reaming pile bore excavating bucket and method of its exca

1985-07-24

1986-08-12

Eickholt, E. H.

Excavating

Processes

175 5, 175265, 175285, 175 57, E02E 100, E01H 1304

Patent

active

046048189

ABSTRACT:
An under reaming pile bore excavating bucket by which an under reamed part of a pile bore is excavated and the excavated soil is moved into the bucket for easy removal of the soil. In use, the bucket is lowered to the bottom of an already excavated straight pile bore; side apertures of the bucket are opened; the slidable wing drill bits are rotated and moved downward and outward along guide rails to excavate an under reamed part. The excavated soil is taken into the bucket through the side apertures and openable bottom apertures. When the drill bits reach their lowermost position, the drill bits are rotated reversely to house the drill bits again into the bucket and lastly the side apertures are closed. The soil within the bucket is raised from the excavated pile bore. In particular, a drive shaft is spline engaged with an outer pipe fixed to the center of the bucket body for allowing the slidable bits to rotate and further move downward or outward.

REFERENCES:
patent: 2499508 (1950-03-01), Karhu
patent: 2758398 (1956-08-01), Bott
patent: 2910274 (1959-10-01), Scott
patent: 3434551 (1969-03-01), Rosfelder
patent: 3508622 (1970-04-01), Benetti et al.
patent: 3621923 (1971-11-01), Allard
patent: 3684040 (1972-08-01), Heacox
patent: 3965999 (1976-06-01), Mathieu et al.
patent: 4323129 (1982-04-01), Cordes
patent: 4436167 (1984-03-01), Masuda et al.
patent: 4488606 (1984-12-01), Inoue

Affiliated with

Also associated with

Rating

Under reaming pile bore excavating bucket and method of its exca does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Under reaming pile bore excavating bucket and method of its exca, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Under reaming pile bore excavating bucket and method of its exca will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1929980