Clutch device, particularly for the manual tuning control in a c

Details Clutch device, particularly for the manual tuning control in a c Clutch device, particularly for the manual tuning control in a c

1980-03-24

1982-01-05

Herrmann, Allan D.

Machine element or mechanism

Shaft operators

Gear drive

74 1033, 74 8917, H03J 512

Patent

active

043087574

ABSTRACT:
A clutch device, particularly for the manual tuning control in a car radio, has the function of positively transmitting, through rack and pinion gears, movement from the tuning knob to the tuning runner. The clutch device comprises a rotating shaft (16) axially reciprocable with respect to frame (10) between an extracted position and an inserted position, with a knob (18) integral with said shaft. Shaft 16 carries a spur gear (20) at its other end, which in the inserted position of the shaft (16) with respect to frame (10) engages a gear wheel (22) integral with a pinion (24) which, cooperating with a rack (56) connected to the usual tuning runner (58) forms a rack and pinion device for positively transmitting movement. A bridge (32) having two arms (30) and (36) engages a tie bar (12), the function of which is to maintain in its operative position one of the preset keys which has been pushed in order to tune in on a station, and this occurs when said shaft ( 16) is in its inserted position; there is, furthermore, an elbow lever (44) which keeps the shaft (16) in its inserted position and is controllable through the usual slider (14) controlling the disengagement of the tuning knob clutch device.

REFERENCES:
patent: 4120207 (1978-10-01), Dellantonio
patent: 4194403 (1980-03-01), Santoro
patent: 4226128 (1980-10-01), Dellantonio
patent: 4232560 (1980-11-01), Dellantonio

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