A device for dispensing an aerosol from an aerosol module containing aerosol under pressure wherein there is a cocking device for readying it for release of the pressurized aerosol, a sear for retaining the cocking device in a non-operative position following readying and a vane operable by inhalation...http://www.google.com.au/patents/US5119806?utm_source=gb-gplus-sharePatent US5119806 - Inhalation device
