Metal working – Method of mechanical manufacture – Electrical device making
Patent
1983-04-25
1985-12-17
Goldberg, Howard N.
Metal working
Method of mechanical manufacture
Electrical device making
H01H 1104
Patent
active
045585130
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 actuator 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).
REFERENCES:
patent: 3499127 (1970-03-01), Cherry et al.
patent: 3558834 (1971-01-01), Zielke
patent: 3584163 (1971-06-01), White
patent: 3594527 (1971-07-01), Brant et al.
CTS Corporation
Echols P. W.
Flagg Rodger H.
Goldberg Howard N.
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