FAUCET TIMER UNIT

摘要

A faucet timer unit (10) having a valve assembly (24) interrupted by a timer mec hanism (26) for operation in an ON period, a DELAY period and an OFF period. During the ON period the valve assembly (24) is activated and water can flow from the faucet, whereas during the DELAY period the valve assembly (24) is deactivated for interrupting the flow of water from the faucet and can not be restarted. During the ON period and the DELAY period a timer control knob (78) is set to "free-wheel" so that it can not be us ed to reset the valve assembly (24) and hence the operation of the faucet timer unit (10) is not able to be defeated by tampering with the timer control knob (78). The faucet timer unit (10) also has a ringer mechanism (28) which includes a thr ee piece cam (142) which controls the relatively complex sequencing of the operation of t he valve assembly (24) and a bell (152).