Cam-operated timer with improved electrical reset means

Claim 2

In a timer including cam-programming means and electrical switch means responsive to said cam-programming means, a. timer reset means setting said cam-programming means at a predetermined starting point after completion of a programmed sequence including a coil spring substantially surrounding and coupled to said cam-programming means and having one end coupled to a wall of a housing for said timer, indicator means locating said starting point, and stop means limiting the rotational displacement of said shaft means upon being reset to its starting position, and b. an electromechanical means energizing said timer in response to displacement of a shaft means carrying said cam-programming means.

Claim 3

In a timer according to claim 1 wherein said electromechanical means includes a solenoid.

Claim 4

In a timer according to claim 2 wherein said solenoid is coupled to a spring-biased actuator means connected to said shaft means.

Claim 5

In a timer according to claim 3 wherein said actuator means includes an actuator blade responsive to the displacement of said shaft means one end of which is coupled to said solenoid.

Claim 6

In a timer according to claim 1 wherein said indicator means includes a pair of cooperating axially displaceable rotatable dial means coupled to said shaft means, one of said dial means being spring biased and including ratchet teeth adapted to engage rigid ratchet teeth means.

Claim 7

In a timer according to claim 1 wherein said indicator means includes a pair of cooperating axially displaceable dial means coupled to said shaft means, one of said dial means including ratchet teeth adapted to engage rigid ratchet means, and said stop means includes cooperating tabs extending from said cooperating dial means.

Claim 8

In a timer according to claim 1 wherein said cam-programming means includes timer sequencing delay means, and timer interval load sequencing means.

Claim 9

In a timer according to claim 7 further including means adjusting the duration of sequencing of said cam-programming means.

Claim 10

In a timer according to claim 8 wherein said adjusting means includes spring-biased holding means extending through and carried by a wall of a housing for said timer, said spring-biased holding means adapted to selectively engage gear teeth disposed on said cam-programming means.

Claim 11

A timer comprising: a. a housing, b. a rotating caM shaft means extending through and carried by said housing, c. motor drive means including clutch means coupling said shaft means to said drive means, d. cam-programming means carried by said shaft means and electrical switch means responsive to said cam-programming means, e. spring-biased blade actuator means fixedly coupled to said shaft means, said blade actuator means coupled to solenoid means, said motor drive means responsive to said solenoid means, displacement of said shaft means actuating said blade actuator means, and f. reset means adapted to set said cam-programming means to its sequence starting point after completion of its programmed sequence, said reset means including a coil spring coupled to said cam-programming means, and an indicator means locating said starting point and stop means limiting the rotational displacement of said shaft means upon being reset to said starting point.

Claim 12

A timer comprising: a. a housing, b. a rotating caM shaft means extending through and carried by said housing, c. motor drive means including clutch means coupling said shaft means to said drive means, d. cam-programming means carried by said shaft means and electrical switch means responsive to said cam-programming means, e. spring-biased blade actuator means fixedly coupled to said shaft means, said blade actuator means coupled to solenoid means, said motor drive means responsive to said solenoid means, displacement of said shaft means actuating said blade actuator means, and f. reset means adapted to set said cam-programming means to its sequence starting point after completion of its programmed sequence, said reset means including a coil spring coupled to said cam-programming means, and an indicator means locating said starting point and stop means limiting the rotational displacement of said shaft means upon being reset to said starting point.

Claim 13

A timer according to claim 10 wherein said indicator means comprises a pair of rotatable axially aligned, cooperating but independently axially displaceable dial means, one of said dial means fixedly coupled to said shaft means, the other carried by said shaft means, said dial means carried by said shaft means including ratchet teeth adapted to selectively engage ratchet means fixedly coupled to a wall of said housing.

Claim 14

A timer according to claim 11 wherein said stop means includes cooperating tabs extending from said dial means.

Claim 15

A timer according to claim 10 wherein said cam-programming means includes timer-sequencing delay means and timer interval load sequencing means.