# US 12,000,128 B2 · Disposer

> Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt

- Number: US 12,000,128 B2
- Document ID: US12000128B2
- Status: Granted
- Kind: B2
- Application number: 17/309,840
- Filed: 2020-02-04
- Published: 2022-03-10
- Granted: 2024-06-04
- Earliest claimed: 2019-02-14
- Assignees: Yasunaga Air Pump Inc.; Yasunaga Corporation
- Applicants: Yasunaga Air Pump Inc.; Yasunaga Corporation
- Inventors: Seiichi Yamazaki
- Web page: https://patentgrep.com/patent/US12000128B2

## CPC

- E03C 1/266: Arrangement of disintegrating apparatus in waste pipes or outlets; Disintegrating apparatus specially adapted for installation in waste pipes or outlets
- E03C 1/2665: {Disintegrating apparatus specially adapted for installation in waste pipes or outlets (disintegrating apparatus per se B02C)}
- B02C 18/00: Disintegrating by knives or other cutting or tearing members which chop material into fragments {(tree stump comminutors A01G23/067)}
- B02C 18/22: Feed or discharge means
- B02C 23/36: the crushing or disintegrating zone being submerged in liquid
- E03C: DOMESTIC PLUMBING INSTALLATIONS FOR FRESH WATER OR WASTE WATER (not connected to either water-supply main or to waste pipe A47K; devices of the kind used in the ground E03B, E03F); SINKS
- B02C: CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN ({household tools and machines for pulverising foodstuffs, e.g. coffee and spice mills A47J42/00; pharmaceutical mortars A61J3/02; mechanical processing of refuse and garbage B03B9/06; dressing mould materials by grinding B22C5/04}; obtaining metallic powder by crushing, grinding or milling B22F9/04; {recovery of plastics by disintegrating B29B17/00; crushing raw materials in starch making C08B30/02; beaters for papermaking D21D1/02; crushing devices specially for transport in mines E21F13/002; slag crushing devices F23J1/00; fuel milling devices in combustion apparatus F23K1/00; household devices for crushing coal F24B15/02; ice disintegrating devices F25C5/02})

## Abstract

A disposer includes: a housing with an inlet portion in an upper part thereof through which kitchen waste is thrown in, and an outlet portion on a lower lateral face thereof through which the kitchen waste is discharged together with water; a rotating plate provided in a rotatable manner to separate an inner space of the housing into a pulverization chamber positioned on a side of the inlet portion, and a discharging chamber positioned on a side of the outlet portion; a hammer on the rotating plate; and an annular fixed blade that is provided on an inner lateral face of the housing to surround the rotating plate with an interval, and pulverizes the kitchen waste in cooperation with the hammer, in which a visor portion that regulates communication in a vertical direction toward a gap between the rotating plate and the fixed blade is formed above the outlet portion.

## Claims

### Claim 1

A disposer comprising:
a housing provided with an inlet portion in an upper part thereof through which kitchen waste is thrown in, and an outlet portion on a lower lateral face thereof through which the kitchen waste is discharged together with water;
a rotating plate provided in a rotatable manner to separate an inner space of the housing into a pulverization chamber positioned on a side of the inlet portion, and a discharging chamber positioned on a side of the outlet portion;
a hammer provided on the rotating plate; and
an annular fixed blade that is provided on an inner lateral face of the housing to surround the rotating plate with an interval, and pulverizes the kitchen waste in cooperation with the hammer,
wherein a communication regulation portion is composed of a part of the housing extending horizontally above the outlet portion, and covers at least a part of a gap between the rotating plate and the fixed blade above the outlet portion to regulate communication of the kitchen waste in a vertical direction toward the gap.

### Claim 2 (depends on 1)

The disposer according to claim 1, wherein the communication regulation portion is provided between the outlet portion and the fixed blade.