Coin controlled locks

Claim 1

A COIN CONTROLLED LOCK FOR USE WITH CHECKING CABINETS, COMPRISING A FRAME INCLUDING A FACE PLATE AND A DOWNWARDLY EXTENDING COIN GUIDING CHANNEL REARWARDLY OF THE FACE PLATE, MEANS FOR SECURING THE FRAME TO A CHECKING CABINET HAVING A DOOR FOR CLOSING THE CABINET, A ROTARY BARREL MOUNTED ON THE FRAME REARWARDLY OF THE FACE PLATE AND HAVING A LOCKING BOLT CONNECTED THERETO AND MOVABLE THEREWITH TO LOCKED AND UNLOCKED POSITIONS, MEANS NORMALLY RETAINING THE BARREL AND BOLT IN ONE OF SAID POSITIONS, THE FACE PLATE HAVING TWO COIN PASSAGE SLOTS THERETHROUGH RESPECTIVELY INTO THE TOP AND BOTTOM PORTIONS OF SAID CHANNEL, MEANS FOR RETAINING IN PREDETERMINED POSITION IN THE CHANNEL A COIN DEPOSITED THEREINTO THROUGH THE UPPER COIN SLOT, A COIN FEELER, MEANS FOR MOVING THE FEELER INTO CONTACT WITH THE COIN WHILE HELD IN SAID POSITION AND THEREBY RENDER THE FIRST NAMED MEANS INOPERATIVE, MEANS FOR RELEASING THE COIN WHEN THE BOLT IS MOVED FROM SAID ONE POSITION TO THE OTHER POSITION, A BAR PIVOTALLY MOUNTED AT THE BOTTOM PORTION OF THE LOWER COIN SLOT REARWARDLY OF THE FACE PLATE AND DISPOSED TO PIVOT TO TWO POSITIONS RESPECTIVELY CLOSING THE LOWER COIN SLOT AND PROVIDING A SUPPORT FOR RECEIVING AND DIRECTING THE RELEASED COIN OUTWARDLY THROUGH SUCH SLOT, A LATCH CARRIED BY THE LOCK AND MOVABLE THEREON TO A POSITION ENGAGING THE FREE END PORTION OF THE BAR AND HOLD-