Electricity: magnetically operated switches – magnets – and electr – Electromagnetically actuated switches – Latching means
Patent
1981-03-04
1982-08-10
Broome, Harold
Electricity: magnetically operated switches, magnets, and electr
Electromagnetically actuated switches
Latching means
335 22, 335167, H01H 7302, H01H 7502
Patent
active
043440541
ABSTRACT:
A pivotally mounted primary latch lever carries a latch pin for latchingly engaging a cradle to sustain it in a reset position against the bias of the breaker mechanism operating springs. An intermediate latch lever, pivotally mounted to the primary latch lever, is formed with a pair of latch shoulders for respective latching engagement with a pair of latch pins associated with a pivotally mounted secondary latch lever. The geometry of the latch assembly parts and their various latching engagements are such that an exceptionally light trip initiating force on the secondary latch lever is effective in releasing the cradle from its reset position.
REFERENCES:
patent: 4001742 (1977-01-01), Jencks et al.
Castonguay Roger N.
Clickner Peter P.
Jencks Charles L.
Bernkopf Walter C.
Broome Harold
General Electric Company
Jacob Fred
Menelly Richard A.
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