Hand pump assembly with a pump mechanism which is independent of the pump housing
US5356049A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Mar 29, 1993 |
| Grant date | Oct 18, 1994 |
| Priority date | — |
| Expiry date | Mar 29, 2013 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB05B11/1057
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A hand-held spray pump includes a pump mechanism which may be pre-assembled and a pump housing which receives and encloses the pump mechanism. The pump mechanism includes a minimal number of inexpensive parts which are slidably assembled and snapped together. The housing includes a body portion and a cover portion with the body portion slidably receiving a trigger for operating the pump mechanism and for slidably receiving the pump mechanism. After the pump mechanism has been inserted into the body portion, the cover is snap-fitted over the pump mechanism. By utilizing the aforedescribed configuration, the pump housing may be readily changed without requiring changes in the configuration of the pump mechanism.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.