Crusher

Details Crusher Crusher

1987-07-16

1988-10-11

Echols, P. W.

Solid material comminution or disintegration

Apparatus

Combined or convertible

241263, B02C 110

Patent

active

047765240

ABSTRACT:
A crusher is disclosed, which comprises a stationary blade and a movable blade, the movable blade being capable of being rotated by a driver, e.g., an oil hydraulic cylinder, toward the stationary blade to clamp an object to be crushed between the stationary and movable blades and crush the object. The movable blade has tip projections projecting outwardly so that an object projecting from a road or ground surface can be clamped at its stem between the tip projections of the movable blade and the tip of the stationary blade. The object thus can be crushed from the stem. The stationary blade has a hollow frame to reduce the weight of the crusher.

REFERENCES:
patent: 2828038 (1958-03-01), Dorkins
patent: 3567050 (1971-03-01), Pasquazzi et al.
patent: 3772985 (1973-11-01), Girten
patent: 4196862 (1980-04-01), Tagawa
patent: 4406412 (1983-09-01), Alexandersson
patent: 4413945 (1983-11-01), LaBounty
patent: 4512524 (1985-04-01), Shigemizu
patent: 4558515 (1985-12-01), LaBounty

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