Hydraulic ram retraction pile cutter

Details Hydraulic ram retraction pile cutter Hydraulic ram retraction pile cutter

1992-10-23

1994-03-01

Corbin, David H.

Stone working

Splitting, shearing, and punching

405232, 405303, B28D 132

Patent

active

052898164

ABSTRACT:
A pile cutter for breaking up reinforced concrete piles. The pile cutter includes a pair of hydraulic cylinders which operate cutting teeth when the hydraulic rams are retracted. The use of only two cylinders, and the cutting of the pile when the rams are retracted minimize the weight of the pile cutter and the space occupied by such.

REFERENCES:
patent: 4124015 (1978-11-01), Isaksson
patent: 4197828 (1980-04-01), Schellhorn
patent: 4261399 (1981-04-01), Hawkins et al.
patent: 4480627 (1984-11-01), van der Toorn
patent: 4880335 (1989-11-01), Lee
patent: 4979489 (1990-12-01), Abbasov et al.
patent: 5025803 (1991-06-01), van der Toorn

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