Electricity: magnetically operated switches – magnets – and electr – Magnets and electromagnets – Work or object holding type
Patent
1977-12-09
1980-04-29
Broome, Harold
Electricity: magnetically operated switches, magnets, and electr
Magnets and electromagnets
Work or object holding type
24201B, H01F 700
Patent
active
042008522
ABSTRACT:
An improved magnetic locking apparatus includes two elements which are magnetically attached, whereby the first magnetic supply element both magnetically attracts the second element and engages it for being coupled therewith. The construction of the two elements permits the elements to be securely attached against accidental external forces perpendicular to and parallel to the coupled surfaces of the elements.
REFERENCES:
patent: 2615227 (1952-10-01), Hornik
patent: 2654929 (1953-10-01), Feibelman
patent: 2861831 (1958-11-01), Loeb
patent: 2943246 (1960-06-01), Riordan
patent: 3009225 (1961-11-01), Budreck
patent: 3086268 (1963-04-01), Chaffin, Jr.
patent: 3127653 (1964-04-01), Budreck
patent: 4021891 (1977-05-01), Morita
Application Art Laboratories Co., Ltd.
Broome Harold
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