Solid material comminution or disintegration – Apparatus – Cooperating comminuting surfaces
Patent
1993-12-13
1995-01-31
Rosenbaum, Mark
Solid material comminution or disintegration
Apparatus
Cooperating comminuting surfaces
2411017, B02C 106
Patent
active
053853113
ABSTRACT:
Breaking equipment comprising a mounting bracket that is attached to an arm of a power shovel for vertical pivotal movement, a holder frame mounted on the mounting bracket for swivel movement, a hydraulic motor attached to the mounting bracket for rotatably and reversibly driving the holder frame or a swivel break mechanism which is used in place of the hydraulic motor for restricting swivel movement of the holder frame, a pair of pivot arms of a symmetrically L-shaped configuration attached at their mid points to the holder frame by means of pivot axes, the pivot axes being separated apart a predetermined distance H from one another so as to satisfy the equations; a=<b and H=<2h, wherein, a is a distance from the pivot point to the forward end of each of the pivot arms, b is a distances from the pivot point to the rearward end of each of the pivot arms, and h is a distance from the blade edge vertically to the line connecting the pivot point and the forward point of the application, a hydraulic cylinder connected between the pair of pivot arms and blade bases and breaking attachments attached to the opposite inner surfaces thereof at a point forward of the mid-point.
REFERENCES:
patent: 4890798 (1990-01-01), Tagawa et al.
patent: 4934616 (1990-06-01), Zepf
patent: 4951886 (1990-09-01), Berto
patent: 4961543 (1990-10-01), Sakato et al.
Morikawa Sumio
Ohga Toshiji
Satone Hiroyuki
Zakohji Nobuyuki
Husar John M.
Ohyodo Komatsu Co., Ltd.
Rosenbaum Mark
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