Vacuum cleaner cover latch control

Claim 1

IN A VACUUM CLEANER OF THE TYPE INCLUDING A CASING HAVING AN OPENING FOR THE INSERTION AND REMOVAL OF A DUST BAG AND A COVER FOR SAID OPENING HINGED ON SAID CASING FOR PIVOTAL MOVEMENT TO AND FROM A CLOSED POSITION, A LATCHING MECHANISM OPERATIVE WHEN A DUST BAG IS DISPOSED IN THE CASING TO RELEASABLY SECURE THE COVER IN SAID CLOSED POSITION, SAID MECHANISM COMPRISING TWO SPACED APART KEEPERS ON SAID CASING WHICH ARE SUBSTANTIALLY EQUALLY SPACED FROM THE HINGED AXIS OF SAID COVER, A LATCH MEMBER HAVING A PAIR OF GENERALLY PARALLEL LATCH ELEMENTS AND AN INTEGRAL CONNECTING BAR EXTENDING BETWEEN SAID LATCH ELEMENTS AND SPACING APART THE LATTER BY A DISTANCE EQUAL TO THE DISTANCE BETWEEN SAID KEEPERS, SAID LATCH ELEMENTS EACH HAVING A MOUNTING LUG AT ONE END AND A LATCHING NOSE AT THE OTHER END, MEANS ON SAID COVER DEFINING SPACED SOCKET WHICH LOOSELY RECEIVE SAID MOUNTING LUGS AND THEREBY MOUNT SAID LATCH MEMBER FOR ROCKING RELATIVE TO SAID COVER ABOUT AN AXIS PARALLEL TO SAID HINGE AXIS, FIRST SPRING MEANS URGING SAID LATCH MEMBER TO ROCK TO A LATCHED POSITION IN WHICH SAID LATCHING NOSES ARE ENGAGEABLE WITH SAID KEEPERS FOR HOLDING AND COVER IN ITS CLOSED POSITION, A LATCH DEACTIVATING MEMBER PIVOTED ON SAID COVER AND BEING ENGAGEABLE AGAINST SAID LATCH MEMBER, AND SECOND SPRING MEANS ACTING ON SAID DEACTIVATING MEMBER TO PIVOT THE LATTER IN A FIRST DIRECTION FOR ROCKING AND LATCH MEMBER AWAY FROM SAID