Apparatus for breaking up a layer of substantially rigid materia

Details Apparatus for breaking up a layer of substantially rigid materia Apparatus for breaking up a layer of substantially rigid materia

1977-06-16

1979-05-08

Pate, III, William F.

Mining or in situ disintegration of hard material

Hard material disintegrating machines

Floor-working

125 23R, 241 1, E01C 2312

Patent

active

041533011

ABSTRACT:
A concrete or masonry breaker for mounting on a hydraulically operated shovel, for example, in which a pair of jaws pivoted one on the other is operated in pincer fashion by a hydraulic ram, one of the jaws having a long limb along which the ram is disposed to operate the jaws. The long limb provides a long mounting base for the breaker so that high bending moments can more easily be applied to the concrete to break it. A combined forward and backward acting embodiment is described.

REFERENCES:
patent: 2878002 (1959-03-01), Haley
patent: 3026865 (1962-03-01), Sunawa
patent: 3592509 (1971-07-01), Soderlund
patent: 3980341 (1976-09-01), Musannit et al.

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