Sewage pump with self-adjusting cutters

Details Sewage pump with self-adjusting cutters Sewage pump with self-adjusting cutters

1989-12-27

1991-09-03

Rosenbaum, Mark

Solid material comminution or disintegration

Apparatus

Including means applying fluid to material

241 4606, 2412593, 241290, 4151211, B02C 2300, B02C 1840

Patent

active

050445669

ABSTRACT:
A grinder pump which includes a housing; a shaft disposed within the housing having an axis; apparatus for mounting the shaft within the housing for rotational movement thereof; a moveable cutter carried on the shaft, apparatus for coupling the moveable cutter to the shaft to cause rotation of the moveable cutter upon rotation of the shaft. A stationary cutter is carried by the housing and the moveable cutter cooperates with the stationary cutter to perform cutting along respective surfaces of the moveable cutter and the stationary cutter. The respective surfaces of the stationary and moveable cutters are substantially within a plane that is substantially perpendicular to the axis; and apparatus resiliently biases the moveable cutter against the stationary cutter.

REFERENCES:
patent: 3635271 (1972-01-01), Markham
patent: 3650481 (1972-03-01), Conery et al.
patent: 4081146 (1978-03-01), Yagi
patent: 4319718 (1982-03-01), Snavely et al.
patent: 4378093 (1983-03-01), Keener

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