Impact ripper apparatus with linear reciprocating ram

Details Impact ripper apparatus with linear reciprocating ram Impact ripper apparatus with linear reciprocating ram

1990-05-25

1991-05-28

Britts, Ramon S.

Mining or in situ disintegration of hard material

Hard material disintegrating machines

Floor-working

37DIG18, 1731621, B25D 1700, E02F 332

Patent

active

050187929

ABSTRACT:
Impact rippers are useful for transmitting high impact blows to a hard material for fracturing the material. When linear reciprocating rams are used, a mounting arrangement which will withstand high compressive forces and still allow the ram to reciprocate must be used to mount the ram within a tool holder. The subject impact ripper apparatus includes a tool holder having a cavity for mounting a linear ram. The linear ram is mounted within the cavity by a plurality of laminated pads which withstand compressive force, but still allows the ram to reciprocate. This arrangement which is stiff in compression, but relatively soft in shear.

REFERENCES:
patent: 3367716 (1968-02-01), Bodine
patent: 3437381 (1969-04-01), Bodine
patent: 4318446 (1982-03-01), Livesay
patent: 4336848 (1982-06-01), Wanner
patent: 4724912 (1988-02-01), Miyazaki et al.

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