Cycle limiting means for an electromechanical decoder

Details Cycle limiting means for an electromechanical decoder Cycle limiting means for an electromechanical decoder

1964-01-17

1983-08-30

Bentley, Stephen C.

Communications: electrical

Audible indication

Percussion-type sound producer

178 2202, 434122, G08C 1100

Patent

active

044019734

ABSTRACT:
1. A mechanism comprising a base member, a shaft supported by the base member, a rotatable code wheel assembly including a first wheel element and a second wheel element, carried by the shaft a plurality of code posts carried by one of said wheel elements and normally positioned so as to lock the second wheel element to the first wheel element in driving relation, a pair of actuating means carried by the base member for selectively operating the code posts in opposite senses, said code posts including preset means for unlocking the second wheel element from the first wheel element dependent upon the selected sense of actuation of the code posts by said actuating means, each of said code posts including adjustable means for angularly positioning said preset means from a first operative position to a second locking position, means operably connected to the first wheel element for effecting a control function on rotation of the code wheel assembly in a first sense and upon the first wheel element being unlocked from the second wheel element upon completion of a predetermined sequence of operation of said actuating means, spring means for biasing the code wheel assembly in an opposite second sense so as to return the code wheel assembly to a home position to complete a cycle of operation, means for actuating the adjustable means of said code posts so as to position the preset means of the code posts from said first operative position to said second locking position to erase the predetermined sequence of operation, and means for controlling said actuating means including a counter operative in response to rotation of said code wheel assembly in said first and second senses to cause said control means to render said actuating means effective after a predetermined number of said cycles of operation.

REFERENCES:
patent: 403356 (1889-05-01), Manton
patent: 1118456 (1914-11-01), Wilkin
patent: 2039966 (1936-05-01), Lockhart et al.
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patent: 2568264 (1951-09-01), Zenner
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patent: 2794969 (1957-06-01), Barnhart
patent: 2905936 (1959-09-01), Gossard
patent: 2947974 (1960-08-01), Stickel
patent: 2968790 (1961-01-01), Carbonard
patent: 3013248 (1961-12-01), Carbonard et al.
patent: 3074051 (1963-01-01), Penningroth

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