Instant coffee dispenser with adjustable trap chamber

Claim 1

A DISPENSER DEVICE FOR DISCHARGING MEASURED AMOUNTS OF GRANULAR MATERIAL FROM A CLOSED CONTAINER COMRISING A LID ADAPTED FOR OPERABLE ENGAGEMENT WITH SAID CONTAINER, SAID LID HAVING STRUCTURE DEFINING A FEED APERTURE IN THE TOP THEREOF, A CARRIER ADAPTED TO RECIPROCATE ACROSS THE TOP PLANE OF SAID LID, SAID CARRIER INCLUDING STRUCTURE DEFINING A CARRIER CHAMBER, SAID CHAMBER BEING OPEN AT THE TOP AND THE BOTTOM WITH THE BOTTOM BEING ALIGNABLE WITH SAID FEED APERTURE IN AN OPERATING RELATIONSHIP AS SAID CARRIER RECIPROCATES ACROSS THE TOP OF SAID LID. A SLIDEWAY CASING INTEGRAL WITH SAID LID AND ADAPTED TO MAINTAIN SAID CARRIER IN AN OPERABLE RECIPROCATORY RELATIONSHIP WITH SAID LID, SAID CASING BEING DIMENSIONED SO THAT THE TOP OF SAID CASING COOPERATES WITH THE TOP OF SAID CHAMBER TO CLOSE THE TOP OF SAID CHAMBER TO THE ATMOSPHERE WHEN THE BOTTOM OF SAID CHAMBER IS ALIGNED WITH SAID FEED APERTURE AND TO OPEN THE TOP OF SAID CHAMBER TO THE ATMOSPHERE WHEN THE BOTTOM OF SAID CHAMBER IS NOT ALIGNED WITH SAID FEED APERTURE, A STOP LOCATED AT EACH END OF SAID CARRIER FOR COOPERATION WITH SAID SLIDEWAY CASING WHEREBY SAID CARRIER MAY NOT BE INADVERTENTLY RECIPROCATED OUT OF THE OPERABLE RELATIONSHIP WITH SAID CASING UNDER NORMAL OPERATING CURCUMSTANCES, A REMOVABLE PARTITION FOR REDUCING THE AVAILABLE VOLUME OF SAID CHAMBER FOR RECEIVING GRANULATED MATERIAL, AND RETAINER MEANS FOR MAINTAINING SAID REMOVABLE PARTITION IN OPERATING ENGAGEMENT WITH SAID CHAMBER, SAID RETAINER MEANS INCLUDING A LIP EXTENDING FROM A WALL OF SAID CHAMBER FOR PREVENTING SAID PARTITION FROM FALLING THROUGH SAID FEED APERTURE WHEN THE BOTTOM OF SAID CHAMBER IS ALIGNED WITH SAID FEED APERTURE, AND PROTUBERANCES ASSOCIATED WITH OTHER WALLS OF SAID CHAMBER TO MAINTAIN SAID PARTITION AGAINST THE WALL FROM WHICH SAID LIP EXTENDS, THE POSITION OF SAID REMOVABLE PARTITION WITHIN SAID CHAMBER BEING SUCH THAT SAID PARTITION IS AT ALL TIMES RETAINED WITHIN THE CHAMBER THROUGH COOPERATION OF THE TOP OF SAID SLIDEWAY CASING, SAID LIP, AND SAID PROTUBERANCES NO MATTER WHERE THE CARRIER IS POSITIONES THROUGHOUT ITS RECIPROCATORY PATH.