Hand-held inhalation-actuated spray device
US5692492A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Sep 27, 1995 |
| Grant date | Dec 2, 1997 |
| Priority date | — |
| Expiry date | Sep 27, 2015 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65D83/18
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A hand-held inhalation-actuated spray device including a housing; tank of substance to be sprayed; a dispenser mechanism for dispensing the substance; an inhale duct; a dispenser mechanism urging device for actuating the dispenser mechanism; a locking mechanism fixed on a plate inside the housing, which includes at least one locking latch member for locking or unlocking the action of the urging device; an unlocking mechanism for displacing the latch member towards its released position while suction exists in the inhale duct; the unlocking mechanism including an electrical actuator for actuating the latch member, an electronic control circuit for the electrical actuator, a suction sensor to deliver a suction signal to the electronic control circuit on detecting suction in the inhale duct, the electronic control circuit then causing the electrical actuator to move the latch member into its released position; the device being characterized in that it further includes a position sensor for detecting that the device is in a predetermined proper orientation, in which the position sensor is connected to the electronic control circuit and the electronic control circuit is adapted to trigg…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.