Rock crusher

Details Rock crusher Rock crusher

1975-08-20

1976-10-05

Wood, Jr., M. H.

Cutlery

308 22, F16C 1300

Patent

active

039841510

ABSTRACT:
A yieldable assembly for mounting the bearing block of a roller in a frame for reciprocal movement therein comprising a first piston, a cylinder for said first piston, a piston rod on said first piston and extending from said cylinder, a second piston free for movement in said cylinder independantly of said first piston, a first chamber in said cylinder partially defined by one end of said second piston, a second chamber in said cylinder partially defined by the other end of said second piston and one end of said first piston, a third chamber in said cylinder partially defined by the other end of said first piston, means for charging said first chamber with a fluid, means for selectively charging said second chamber with a fluid, means for selectively charging said third chamber with a fluid, said cylinder and said piston being connectible between the frame and the bearing block of a roller mounted therein to permit reciprocation of the bearing block in the frame as the first piston and cylinder reciprocate with respect to each other.

REFERENCES:
patent: 1007059 (1911-10-01), Box
patent: 1641726 (1927-09-01), Bond
patent: 2349328 (1944-05-01), Aasland

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