Metering and non-metering aerosol actuator button

Claim 1

A METERING ACTUATOR BUTTON FOR AN AEROSOL DISPENSING DEVICE OF THE TYPE HAVING A PROJECTING HOLLOW DEPRESSIBLE VALVE STEM, COMPRISING IN COMBINATION: (A) A BODY PORTION HAVING A DISCHARGE PASSAGE WITH AN EXPOSED MOUTH AND A BORE COMMUNICATING WITH THE PASSAGE AND ADAPTED TO FRICTIONALLY RECEIVE SAID VALVE STEM FOR MOUNTING THE BODY PORTION THEREON, (B) A FINGER-OPERABLE VALVE PART COMPRISING A COVER MEMBER MOVABLY MOUNTED ON SAID BODY PORTION AND HAVING A DISCHARGE OPENING, SAID PART BEING MOVABLE BETWEEN A FIRST SHIFTED POSITION WHEREIN THE DISCHARGE OPENING REGISTERS WITH THE MOUTH OF THE DISCHARGE PASSAGE AND A SECOND SHIFTED POSITION WHEREIN IT IS OUT OF REGISTRATION WITH SAID MOUTH, SAID PART RESPECTIVELY UNCOVERING AND COVERING SAID MOUTH FOR SAID FIRST AND SECOND POSITIONS, (C) SPRING MEANS BIASING SAID VALVE PART TO THE SAID FIRST POSITION, (D) SAID VALVE PART HAVING A FINGER ENGAGEABLE SURFACE DISPOSED SO AS TO FACE IN A DIRECTION WHICH IS OPPOSITE TO THE DIRECTION IN WHICH THE STEM-RECEIVING BORE OF THE BODY PORTION FACES WHEREBY PRESSURE ON SAID SURFACES WILL SHIFT THE BODY PORTION IN A DIRECTION TO DEPRESS THE VALVE STEM, (E) SAID VALVE PART BEING CONSTRUCTED TO SHIFT ON SAID BODY PORTION TO ITS SECOND POSITION IN RESPONSE TO SAID FINGER PRESSURE, (F) SAID VALVE PART COMPRISING A THIN-WALLED RESILIENT INVERTED CUP VERTICALLY SLIDABLE ON THE BODY PORTION BETWEEN RAISED AND LOWERED POSITIONS CORRESPONDING RESPECTIVELY TO SAID FIRST AND SECOND POSITIONS, SAID CUP HAVING A YIELDABLE SIDE WALL WHICH HAS A YIELDING SPRING ACTION AND WHICH HAS AN OPENING CONSTITUTING THE DISCHARGE OPENING WHICH REGISTERS WITH THE MOUTH OF THE DISCHARGE PASSAGE WHEN THE CUP IS IN RAISED POSITION, (G) SAID YIELDABLE SIDE WALL BEING DISPLACEABLE RADIALLY OUTWARD A MINUTE AMOUNT AND NORMALLY REMAINING IN INTIMATE CONTACT WITH THE BODY PORTION.