Multiple-function switch with automatic return

Details Multiple-function switch with automatic return Multiple-function switch with automatic return

1980-06-30

1982-03-16

Scott, James R.

Electricity: circuit makers and breakers

Multiple circuit control

Combined pivoted and reciprocating contact

200 11G, 200 11K, 200153K, H01H 900, H01H 2176

Patent

active

043202675

ABSTRACT:
A multiple-function electrical switch has an automatic return to an initial position upon release of the shaft (60). An annular drive (70) mounted upon the shaft (60) has a rotary contactor (100) and momentary switch contacts (90,92) secured thereto, and a torsional spring (110) is mounted in a cover (36) enclosing one end of the housing (11). As the shaft is rotated, a tongue (78) on the driver (70) engages the torsional spring (110) which will effect return of the driver and shaft to its initial position upon release of the shaft. The tongue (78) is received in a pocket (56) located in the cover (36) such that the shaft (60) may be moved axially at only one rotational position, such movement effecting engagement between the momentary switch contacts (90,92) and terminals (44,46) disposed in the cover. The housing is insert molded about a collector (12) and terminals (14, 16, 18, 20, 22), the collector having a stepped portion (28 ) engaged by the rotary contactor (100) to provide a detent as the user rotates the contactor from a first selected terminal to a second selected terminal.

REFERENCES:
patent: 2921147 (1960-01-01), Hutt
patent: 3493697 (1970-02-01), Sedory
patent: 4016387 (1977-04-01), Aberer
patent: 4085301 (1978-04-01), Smith
patent: 4225758 (1980-09-01), Kondo et al.

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