Pulsator for a washing machine
US5701767A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Jun 27, 1996 |
| Grant date | Dec 30, 1997 |
| Priority date | — |
| Expiry date | Jun 27, 2016 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD06F17/10
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
Disclosed is a pulsator for a washing machine capable of preventing generation of a concentric waterflow such as a heart-type waterflow. The pulsator includes a base plate fixed to the shaft housing, a plurality of plate-shaped wings radially fixed to the upper surface of the base plate and for forming a concentric waterflow in the washing water, a plurality of cover plates fixed on the multi-stepped edges of the plurality of plate-shaped wings, a plurality of protrusions radially and in a certain length formed on the upper surface of each of the plurality of cover plates and for generating a waterflow of the washing water vertically oriented toward the top of the washing tub by being rotated according to the rotation of the base plat.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.