Safety interlock system

Details Safety interlock system Safety interlock system

1978-04-14

1979-06-19

Moose, Jr., Harry E.

Electricity: electrical systems and devices

Control circuits for electromagnetic devices

For relays or solenoids

307 10AT, 340147MD, E05B 4900

Patent

active

041588746

ABSTRACT:
A safety interlock system for automotive vehicles and like devices which have an electrically-operable component forming part of the engine of said vehicle or like device. The safety interlock system comprises a plurality latches in the form of integrated circuits which can only be operated in pre-established sequence with a pre-established code of indicia. When the latches are opened pursuant to the pre-established code with inputs in proper sequence from a plurality of manually operable input switches, the interlock system will be enabled thereby permitting operation of the electrically operable component and hence said engine. Suitable forms of time delays are provided to enable operation of said engine by others for pre-established time delay periods and controlled delay conditions.

REFERENCES:
patent: 3691396 (1972-09-01), Hinrichs
patent: 3710316 (1973-01-01), Kromer
patent: 3718202 (1973-02-01), Brock
patent: 3754148 (1973-08-01), Nye
patent: 3755776 (1973-08-01), Kotras
patent: 3784839 (1974-01-01), Weber
patent: 3796889 (1974-03-01), Fradkin et al.
patent: 3805246 (1974-04-01), Colucci et al.

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