Concrete pavement breaker

Details Concrete pavement breaker Concrete pavement breaker

1985-12-16

1987-04-14

Leppink, James A.

Mining or in situ disintegration of hard material

Hard material disintegrating machines

Floor-working

404 90, E01C 2312

Patent

active

046573070

ABSTRACT:
An improved simple device for loosening, breaking up and removing concrete pavement slabs. The device has one or more planar vertical engagement members each having a generally horizontal slab-receiving slot. Each slot is bounded by upper and lower opposed edges and a crotch edge therebetween, all in fixed relative positions. The upper and lower edges extend forwardly to aligned upper and lower forward ends. The slot is dimensioned to accept and manipulate slabs, and to lift slab pieces taking advantage of the weight of the slabs to hold them for lifting. First and second pivot-mounting means are arranged to facilitate a can-opener like slab-manipulating motion.

REFERENCES:
patent: 910922 (1909-01-01), Kerns
patent: 2857690 (1958-10-01), Yake et al.
patent: 2878002 (1959-03-01), Haley
patent: 3542435 (1970-11-01), Herrmann
patent: 4153301 (1979-05-01), Armstrong

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