H - Electricity – 01 – H
Patent
H - Electricity
01
H
306/300
H01H 43/00 (2006.01) H01H 43/06 (2006.01) H01H 43/12 (2006.01)
Patent
CA 1064085
ABSTRACT OF THE DISCLOSURE A programming device having one or more pairs of elec- trical contacts, adapted to be closed and opened at predetermined intervals to control the programme and having a contact control mechanism movable between two stationary positions namely a high position and a low position, the high position corresponding for example to a first position of a contact, and the low position corresponding to a second position of a contact, and further having control operating means, reciprocably movable to and fro along a predetermined path, each such complete reciprocal movement procur- ing a movement of said contact control means from its high to its low position, or from its low to its high position, alternately in sequence and further having a movable programme recording mem- ber, adapted to be provided with a series of standard indicia, said indicia passing in sequence past said control operating means, whereby upon the passage of each said indicia, said control operating means completes one said reciprocal movement for each said indicia, which complete reciprocal movement is thus responsible for procuring either a single closing or a single opening movement of a contact, the contact then remaining so closed or opened until the next indicia operates the control operating means.
243998
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