Actuating knob, particularly for window cranks of automotive veh

Details Actuating knob, particularly for window cranks of automotive veh Actuating knob, particularly for window cranks of automotive veh

1983-05-11

1985-08-13

Dorner, Kenneth J.

Machine element or mechanism

Control lever and linkage systems

Elements

403248, 16121, G05G 102, B25G 300

Patent

active

045342407

ABSTRACT:
The disclosure concerns an actuating knob which is particularly useful for the window crank of an automotive vehicle, wherein the actuating knob is adapted to break off in the event of high impact. The knob comprises an outer knob part to be grasped and an inner knob part which serves as a pivot pin for the outer knob part. A tapered thickness region of the pivot pin is adapted to break off upon impact. Detent pins beneath the pivot pin connect with the crank arm. A blocking member installed between the detent pins holds them apart and the blocking member is detent connected to the pivot pins to prevent subsequent removal. The pivot pin has a widened lower borehole for receiving the blocking member and a narrowed diameter upper portion of that serves as the pivot pin for the outer knob part.

REFERENCES:
patent: 485678 (1892-11-01), Ash
patent: 2938405 (1960-05-01), West
patent: 2978927 (1961-04-01), Blanton
patent: 4052768 (1977-10-01), Yamazaki et al.

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