The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 03, 1991
Filed:
Dec. 27, 1989
Brian M Mitsch, Perrysville, OH (US);
General Signal Corporation, Stamford, CT (US);
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.