Machine element or mechanism – Control lever and linkage systems – Hand operated
Patent
1977-03-17
1978-08-01
Gordon, Clarence R.
Machine element or mechanism
Control lever and linkage systems
Hand operated
350282, F16C 114
Patent
active
041035607
ABSTRACT:
Remote control, day-night, outside rearview mirror control apparatus. The control structure includes a plurality of interconnection cables linking an orthogonally pivotable, double sided vehicle mirror and multi-axial actuation, operator control mechanism. Mirror movement in the form of yaw about the vertical axis thereof is facilitated via swivel motion of a control bat resulting in axial movement of cables terminating outwardly of the reference axis of the mirror. Mirror movement about the horizontal axis thereof, including 180.degree. flipping and control pitch adjustment, is facilitated through a single cable, double action mechanical servo which is responsive to axial and rotational control bat movement. The servo may be positioned adjacent the mirror or control bat and utilizes a spring loaded cam biased within a rotable casing to independently differentiate mirror pitch adjustment signals from day-night flip signals in a fashion which permits 180.degree. repositioning of the mirror to identical mirror viewing positions. In this manner, the mirror is maintained in its preadjusted orthogonal viewing orientation for both day and night operation. In an alternative construction of the mechanical servo, the pitch and flip control is effected through a pull cable system wherein the servo is disposed adjacent the control bat and incorporates a double action mechanical cable linkage, responsive to axial and rotational movement therefrom. While both constructions incorporate the principles of the present invention, the dual cable mirror drive as compared to the single cable version is more readily adaptable to conventional outside mirror apparatus.
REFERENCES:
patent: 3650606 (1972-03-01), Van Noord
patent: 3712149 (1973-01-01), Van Noord
patent: 3810690 (1974-05-01), Klein
Berntsen Robert A.
Stoffel Robert W.
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