Control mechanisms for automotive heating and air conditioning s

Details Control mechanisms for automotive heating and air conditioning s Control mechanisms for automotive heating and air conditioning s

1986-06-04

1987-05-19

Pellinen, A. D.

Electricity: circuit makers and breakers

Special application

Actuated concurrently with operation or use of art device

74 99R, 137353, 200 16C, 200291, H01H 906

Patent

active

046670688

ABSTRACT:
A function selector knob is pivotally mounted on a function control lever which is pivotally and slidably supported by first pivot means. A pin and slot connection is provided between the lever and a vacuum electric selector switch. A convertible detent mechanism is provided for detaining the lever in either of two sets of detent positions, such sets having different numbers of positions, such as seven and five positions. Such convertible detent mechanism comprises a reversible detent carriage which is pivotally connected to the lever and is slidable along a guide channel having first and second sets of detent recesses on opposite sides thereof. The detent carriage has a detent ball or other member which is offset toward one side of the carriage, whereby the detent carriage is reversible between a first position, in which the detent member encounters the first set of detent recesses, and a second position, in which the detent carriage encounters the second set of detent recesses. Different function switches having different numbers of positions can thus be accommodated.

REFERENCES:
patent: 3604863 (1969-07-01), Schink
patent: 3721779 (1971-06-01), Raab
patent: 4126153 (1977-01-01), Raab
patent: 4251698 (1981-02-01), Raab et al.

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