Patent ID: 8220731

Claim:
A food waste disposer and mount system, comprising: a threaded sink flange having a tubular body portion and a flange portion extending radially outwardly from a top of the tubular body portion, the tubular body portion having a externally threaded portion; a food waste disposer having an upper food conveying section, a motor section and a central grinding section disposed between the food conveying section and the motor section, the central grinding section having a housing that encompasses a grinding mechanism, the grinding mechanism having a stationary shredder ring disposed in the housing of the central grinding section and a rotatable shredder plate having lugs, the rotatable shredder plate rotated by a motor of the motor section; and the upper food conveying section including a housing having an upper, annular portion having an internally threaded portion that is threaded to the threaded portion of the tubular body portion of the threaded sink flange when the threaded sink flange is disposed in a draining opening of a sink to mount the food waste disposer to the sink, the housing of the food conveying section including a radially inwardly extending shoulder at a lower edge of the internally threaded portion on which a gasket is received, the gasket disposed between the radially inwardly extending shoulder and a bottom of the tubular body portion of the threaded body portion of the threaded sink flange and compressed by the radially inwardly extending shoulder against the bottom of the tubular body portion of the threaded sink flange when the internally threaded portion of the upper, annular portion of the housing of the upper food conveying section is tightened on the externally threaded portion of the tubular body portion of the threaded sink flange.