Inhalation-actuated aerosol device

• US 3,187,748 A
• Filed: 04/29/1963
• Issued: 06/08/1965
• Est. Priority Date: 04/29/1963
• Status: Expired due to Term

• Current Assignee: Clarence L. Panllus, Ralph I. Mitchell
• Original Assignee: Clarence L. Panllus, Ralph I. Mitchell
• Inventors: Mitchell, Ralph I., Panllus, Clarence L.
• Application Number:
  US04/276,267
• Time in Patent Office: 771 Days
• US Class Current: 128/200.23
• CPC Class Codes: A61M 15/0065 Inhalators with dosage or measuring devices A61M15/0028 takes precedence; dosage devices incorporated in aerosol cans B65D83/52
• CPC Class Codes: A61M 15/0091 mechanically breath-triggered
• CPC Class Codes: A61M 39/285 Cam clamps, e.g. roller clamps with eccentric axis

Claims

1. IN AN AEROSOL CONTAINER AND SPRAY DEVICE, A PNEUMATIC METERING VALVE FOR DISPENSING SMALL MEASURED AMOUNTS OF THE CONTENTS OF THE AEROSOL CONTAINER COMPRISING:

(A) A CONTAINER INCLUDING A PROPELLANT IN THE CONTENTS OF SAID CONTAINER;

(B) A VALVE BODY ATTACHED OVER AN OPENING IN SAID CONTAINER;

(C) A CAP ATTACHED TO SAID VALVE BODY, SAID CAP HAVING A MOUTHPIECE AND AN OPENING OPPOSITE SAID MOUTHPIECE;

(D) A VANE, AND ITS SUPPORTING SHAFT, DISPOSED IN SAID CAP, SAID VANE BEING POSITIONED TO BLOCK THE PASSAGE BETWEEN SAID OPENING AND SAID MOUTHPIECE, AND SAID SHAFT BEING ROTATABLY MOUNTED ON SAID VALVE BODY;

(E) A METERING CHAMBER IN SAID VALVE BODY;

(F) A FIRST PASSAGE COMMUNICATING BETWEEN SAID METERING CHAMBER AND SAID CONTAINER, SAID FIRST PASSAGE BEING NORMALLY OPEN;

(G) A SECOND PASSAGE COMMUNICATING BETWEEN SAID MOUTHPIECE AND SAID METERING CHAMBER, SAID SECOND PASSAGE BEING NORMALLY CLOSED;

(H) CLOSURE MEANS ACTIVATED BY MOVEMENT OF SAID VANE AND SHAFT TO ALTERNATELY CLOSE SAID FIRST AND SECOND PASSAGES WHEREBY HUMAN INHALATION AT SAID MOUTHPIECE CAUSES SAID VANE TO MOVE IN ONE DIRECTION CLOSING SAID FIRST PASSAGE AND THEREAFTER OPENING SAID SECOND PASSAGE AND WHEREBY ON MOVEMENT OF SAID VANE IN THE OPPOSITE DIRECTION SAID SECOND PASSAGE IS CLOSED AND THEREAFTER SAID FIRST PASSAGE IS OPENED.