Rearview mirror actuating device
First Claim
1. An actuating device for automatically controlling the position of a movably mounted vehicle mirror in response to relative positioning of the vehicle with respect to a trailer pivotally mounted to the vehicle about a pivot axis, said device comprising:
- mirror actuating means comprising a motor and means for moving said mirror upon actuation of said motor;
an electrical power source for said motor;
first switch means for actuating said motor in response to the pivoting movement of the trailer with respect to the vehicle;
second switch means for de-actuating said motor in response to a predetermined movement of said motor, said second switch means comprising a cam, means for rotating said cam in response to actuation of said motor, said cam having a plurality of lobes corresponding in number to the number of said plurality of first switches, a plurality of second switches, and means for positioning each of said second switches about said cam for engagement with one of said lobes at a predetermined rotary position of said cam; and
means for electrically connecting said power source to said motor through said first and second switching means.
2 Assignments
0 Petitions
Accused Products
Abstract
An actuating device for automatically controlling the position of a movably mounted vehicle mirror comprises a motor controlled by switches for selectively actuating the motor in response to angular displacement of a trailer with respect to the vehicle. The switches are actuated in response to movement of the trailer and responsively close a circuit connecting a power source to the motor. Preferably, the switching means can include means for disconnecting the power source after a predetermined rotation of the motor in order to avoid excess energy use. Preferably, the disconnecting means comprises a plurality of switches arranged to contact lobes of a rotating cam at predetermined rotational positions of the cam. The cam can be concentrically secured to the rotor shaft or can be connected to the rotor shaft by a lever mechanism in order to form a crank which translates the rotor movement to linear displacement on a mirror positioning member.
47 Citations
7 Claims
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1. An actuating device for automatically controlling the position of a movably mounted vehicle mirror in response to relative positioning of the vehicle with respect to a trailer pivotally mounted to the vehicle about a pivot axis, said device comprising:
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mirror actuating means comprising a motor and means for moving said mirror upon actuation of said motor; an electrical power source for said motor; first switch means for actuating said motor in response to the pivoting movement of the trailer with respect to the vehicle; second switch means for de-actuating said motor in response to a predetermined movement of said motor, said second switch means comprising a cam, means for rotating said cam in response to actuation of said motor, said cam having a plurality of lobes corresponding in number to the number of said plurality of first switches, a plurality of second switches, and means for positioning each of said second switches about said cam for engagement with one of said lobes at a predetermined rotary position of said cam; and means for electrically connecting said power source to said motor through said first and second switching means. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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Specification