Electricity: circuit makers and breakers – Multiple circuit control – Pivoted contact
Patent
1984-03-19
1985-07-02
Scott, J. R.
Electricity: circuit makers and breakers
Multiple circuit control
Pivoted contact
200 4308, H01H 2164, H01H 2706
Patent
active
045270244
ABSTRACT:
A new structure of electric supplying switch lock includes a switchable conductive path between two terminals and a lock core and lock pin which are made in one piece, all contained in a lock case. The conductive path between the two terminals is carried by an arc-shaped conducting sheet which is designed so as to have a large contact area and is mounted on a rotary seat. When the rotary seat is rotated, the conducting sheet moves into or out of contact with the terminals. The lock core and lock pin are formed in one piece. In the lock core, there are two lock bolt holes, each containing a small spring and a lock bolt so that each lock bolt will push against the lock core and into a locked key groove in the lock case to produce the locking action. The lock core is pushed to a designed depth by a correct key, and then the lock bolts slide into a ring groove. A matching key extruded block also slides into an opposed corresponding angular arc groove to rotate the lock core and drive the rotary seat when the key is rotated.
REFERENCES:
patent: 3974348 (1976-08-01), Lipschutz
patent: 4320266 (1982-03-01), Leiter et al.
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