Electricity: magnetically operated switches – magnets – and electr – Permanent magnet-actuated switches
Patent
1982-11-30
1983-11-08
Harris, George
Electricity: magnetically operated switches, magnets, and electr
Permanent magnet-actuated switches
335207, H01H 900
Patent
active
044145187
ABSTRACT:
A vertical descent rate detector switch has a pair of contacts which are magnetically actuated when the rate of vertical descent of the switch exceeds a set amount.
REFERENCES:
patent: 3732512 (1973-05-01), Puttick
ABEX Corporation
Baker Jr. Thomas S.
Greenlee David A.
Harris George
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