Electricity: magnetically operated switches – magnets – and electr – Electromagnetically actuated switches – Contact composition or structure
Patent
1974-04-04
1976-02-24
Harris, G.
Electricity: magnetically operated switches, magnets, and electr
Electromagnetically actuated switches
Contact composition or structure
335198, 200249, H01H 148
Patent
active
039407241
ABSTRACT:
The relay contact adjusting arrangement of this invention involves the positioning of the header assembly and motor assembly of the relay in a fixed spaced relationship prior to final assembly, with the fixed and movable contacts in opposed pairs, and associated with an optical comparator so that enlarged images of the opposed contacts can be seen, after which adjusting tools are used to bend the supports of the fixed contacts for adjusting the spacing successively for each opposed pair of contacts to a spacing indicated on the screen of the comparator. The device includes a means for energizing the relay coil to hold the armature in a desired position while the adjustment takes place, and provides for the indexing of the assemblies through 180.degree. to allow both the normally open and normally closed contacts to be viewed on the comparator screen.
REFERENCES:
patent: 2611050 (1952-09-01), Ponstingl
patent: 2837616 (1958-06-01), Jaidinger
patent: 3452428 (1969-07-01), Salomon
patent: 3624571 (1971-11-01), Magida
Cleary Thomas C.
Schleisner Joseph W.
Deutsch Relays, Inc.
Harris G.
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