Pump system for a personal care appliance
US7699552B2 · kind B2 · utility
3Cited by
6References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 3, 2003 |
| Grant date | Apr 20, 2010 |
| Priority date | — |
| Expiry date | Jan 10, 2025 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA46B2200/1066
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
A pump (10) for a personal care appliance which includes a flexible fluid cartridge member (12) having an exit opening (17) for the fluid at a forward end thereof (16), a base member (24) having a cutout portion (26) into which a fluid-filled portion (14) of the cartridge (24) can nest, and a pressing member (32) having a configuration which nests with the cutout portion over a substantial portion of its length, such that as the pressing member moves forwardly along its path, fluid in the fluid-filled portion is pressed out the exit opening and into a line connected to a workpiece element, such as a toothbrush brushhead.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.