Registers – Transfer mechanism – Traveling pawl
Patent
1975-07-07
1976-10-19
Ruggiero, Joseph F.
Registers
Transfer mechanism
Traveling pawl
192127, 234 32, 318563, 340419, G06F 1546, G05B 902
Patent
active
039872831
ABSTRACT:
A digital type controller for a punch press or the like which includes a shaft angle encoder for generating control pulses corresponding to specific main shaft angles of the machine, a plurality of sensors for generating signals in response to the operating condition of the machine and process, a plurality of circuits for enabling the reception of said signals at selectable shaft angles of the machine, a plurality of circuits for enabling the reception of said signals in a selectable prescribed order, a plurality of circuits for storing said signals, a plurality of circuits for sampling the stored signals at selectable shaft angles of the machine, a plurality of circuits which detect the presence or absence of the sampled signals, an output circuit for deenergizing the machine Run control circuit when an absence of a sampled signal occurs, a plurality of circuits for energizing and deenergizing external electrical loads at selectable shaft angles of the machine, and a shaft encoder/decoder which provides control pulses corresponding to selectable input shaft angles at a plurality of selectable output terminals.
REFERENCES:
patent: 3370492 (1968-02-01), Treff
patent: 3646542 (1972-02-01), Anthony
patent: 3809488 (1974-05-01), Sonderegger
patent: 3882305 (1975-05-01), Johnstone
patent: 3887052 (1975-06-01), Del Faro
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