Stabilized crushing device

Details Stabilized crushing device Stabilized crushing device

1997-01-22

1998-06-23

Husar, John M.

Solid material comminution or disintegration

Apparatus

Cooperating comminuting surfaces

24110173, B02C 106

Patent

active

057693412

ABSTRACT:
A cutting/crushing device for the demolition of buildings has a pair of jaws that pivot on frame. The jaws are constrained to pivot in synchrony because each jaw remains engaged with a guide pin which substantially prevents relative movement of the two jaws. The guide pin is guided by a slot in the frame, aligned with a plane of symmetry between the two jaws, to prevent it from moving toward or away from either jaw. By guiding the guide pin in this way, frictional binding and wear of the guide pin are minimized. In addition, the shape of the recesses into which the guide pin fits can have smaller tolerances reducing play between the two jaws. Stoppers on the frame press against the rotatable jaws when they are filly opened to prevent any play.

REFERENCES:
patent: 4951886 (1990-08-01), Berto
patent: 5478019 (1995-12-01), Morikawa et al.
patent: 5636802 (1997-06-01), Tagawa
patent: 5645236 (1997-07-01), Sugiura et al.

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