Washing machine timer

Claim 1

A TIMER CONTROL ARRANGEMENT FOR A COIN OPERATED AUTOMATIC WASHING MACHINE COMPRISING IN COMBINATION A PLURALITY OF CAM OPERATED SWITCHES, A PLURALITY OF ROTATABLE CAMS INDIVIDUALLY ASSOCIATED WITH SAID SWITCHES, SAID CAMS BEING MOUNTED ON A CENTRAL SHAFT AND ARRANGED TO OPERATE THE ASSOCIATED SWITCHES IN A PREDETERMINED SEQUENCE, A DRIVE MOTOR FOR OPERATING THE WASHING MACHINE, A TIMER MOTOR COUPLED TO THE CENTRAL SHAFT FOR DRIVING THE CAMS AT A PREDETERMINED RATE, ELECTRICAL CIRCUIT MEANS INDIVIDUALLY COUPLED TO CORRESPONDING SWITCHES FOR CONTROLLING THE WASHING MACHINE THROUGH THE WASH, RINSE AND DRYING PORTIONS OF AN OPERATING CYCLE, A DRIVE MOTOR RELAY HAVING CONTACTS CONNECTED TO ENERGIZE THE DRIVE MOTOR, A COIN DROP SWITCH, A HOLDING RELAY COUPLED TO BE ENERGIZED BY THE COIN DROP SWITCH, THE HOLDING RELAY HAVING A FIRST PAIR OF CONTACTS COUPLED TO ENERGIZE THE TIMER MOTOR AND THE DRIVE MOTOR RELAY TOGETHER AND A SECOND PAIR OF CONTACTS COUPLED TO COMPLETE A CIRCUIT PATH FROM A FIRST CAM OPERATED SWITCH TO THE HOLDING RELAY ACTUATING COIL, SAID FIRST SWITCH BEING ARRANGED WHEN ACTUATED BY ITS ASSOCIATED CAM TO COMPLETE A CIRCUIT PATH DIRECTLY TO SAID TIMER MOTOR AND SAID DRIVE MOTOR RELAY AND TO OPEN THE CIRCUIT TO THE HOLDING RELAY SO THAT THE TIMER MOTOR CIRCUIT IS MAINTAINED IRRESPECTIVE OF POWER INTERRUPTION UNTIL THE FIRST SWITCH IS RESTORED TO AN INITIAL POSITION BY ITS ASSOCIATED CAM, AND MEANS INCLUDING A DIODE CONNECTED IN SERIES WITH BOTH THE HOLDING AND DRIVE MOTOR RELAYS FOR MAINTAINING A SUBSTANTIALLY UNIDIRECTIONAL CURRENT IN SAID RELAYS UPON ENERGIZATION BY AN ALTERNATING VOLTAGE.