Patent ID: 6398439
Filing Date: 2002-06-04
Classification: A45D

Abstract:
A rotary dispenser with internal pressure relief, comprisinga housing; an elevator slidably and non-rotatably disposed in said housing; a rotatable drive member rotatably disposed in said housing and engaged with said elevator whereby rotation of said drive member slides said elevator relative to said housing; a dome slidably and non-rotatably mounted relative to said housing and having at least one aperture for dispensing product from inside of said housing; and a pressure relief member comprising a cam and a cam follower, one of said cam and said cam follower being associated with said rotatable drive member and the other of said cam and said cam follower being associated with said dome, said cam follower being rotatably engaged with said cam, whereby rotation of said rotatable drive member relative to said dome rotates one of said cam and said cam follower relative to the other of said cam and said cam follower, said cam having at least one cam surface for causing axial movement of said dome toward said elevator and at least one second cam surface for allowing movement of said dome away from said elevator.