Electricity: circuit makers and breakers – Multiple circuit control – Pivoted contact
Patent
1981-08-19
1983-07-05
Scott, J. R.
Electricity: circuit makers and breakers
Multiple circuit control
Pivoted contact
200 11G, H01H 2176
Patent
active
043920306
ABSTRACT:
An adjustable rotary switch (10) effects a high degree of switching accuracy between the switching circuit disposed in a printed circuit board (60) and the external switch actuating means attached to the shaft (80) of the rotary switch (10). The switch (10) includes an annular rotor (40) mounted on the shaft (80), the rotor (40) having multi-fingered contactors (50) mounted thereon for engagement with conductive paths (70) disposed in the printed circuit board (60). The shaft (80), rotor (40), and printed circuit board (60) are disposed within a rectangular housing (12) having an aperture (18) providing access to one end of the shaft, and a housing cover (14) having an aperture (15) journalling the other end of the shaft. After assembly of the switch, the housing (12) and shaft (80) may be held in a fixed position while an adjustment tool (30) rotates the rotor (40) to adjust the position of the contactors (50 ) relative to the shaft (80) and the conductive paths (70) of the printed circuit board (60). Alternatively, the adjustment tool (30) may be held still while the shaft (80) is rotated to effect a new positional relationship between the switch parts. After the switch parts are adjusted, the rotor (40) is secured to the shaft (80) by applying an adhesive, and then covers (22) are inserted in the openings (18, 20) in the housing (12).
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patent: 4212000 (1980-07-01), Yamada
patent: 4232207 (1980-11-01), Kuhl
CTS Corporation
Palguta Larry J.
Scott J. R.
Young John A.
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