Automatically adjustable passenger mirror assembly for a trailered vehicle
First Claim
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1. A mirror rotation assembly for a vehicle having a tractor and a pivotally connected semi-detached trailer, the assembly comprising:
- a rotatable control wheel;
a wheel support apparatus supporting the rotatable control wheel and configured to move the control wheel into rolling engagement with a bottom surface of the trailer;
a counter operable to count a number of rotations or partial rotations of the control wheel as the trailer pivots with respect to the tractor during a vehicle turn; and
a processor programmed to receive the number of wheel rotations or partial rotations from the counter, calculate a degree of vehicle turn corresponding to the number of wheel rotations or partial rotations, calculate a degree of mirror rotation corresponding to the degree of vehicle turn, and instruct a motorized mirror mounted on the tractor to rotate the mirror according to the calculated degree of mirror rotation.
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Abstract
An automatic mirror rotation assembly for a vehicle including a tractor and semi-detached trailer is provided. A control wheel is mounted in a structure connecting to a chassis of the tractor, and is raised into engagement with a lower surface of the trailer. As the vehicle turns, the rotation of the trailer with respect to the tractor is measured by counting rotations or partial rotations of the wheel against the underside surface of the trailer. A corresponding degree of passenger-side rear view mirror is calculated, and a motor automatically rotates the mirror.
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Citations
21 Claims
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1. A mirror rotation assembly for a vehicle having a tractor and a pivotally connected semi-detached trailer, the assembly comprising:
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a rotatable control wheel; a wheel support apparatus supporting the rotatable control wheel and configured to move the control wheel into rolling engagement with a bottom surface of the trailer; a counter operable to count a number of rotations or partial rotations of the control wheel as the trailer pivots with respect to the tractor during a vehicle turn; and a processor programmed to receive the number of wheel rotations or partial rotations from the counter, calculate a degree of vehicle turn corresponding to the number of wheel rotations or partial rotations, calculate a degree of mirror rotation corresponding to the degree of vehicle turn, and instruct a motorized mirror mounted on the tractor to rotate the mirror according to the calculated degree of mirror rotation. - View Dependent Claims (2, 3, 4, 5, 6, 7, 10)
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8. A mirror rotation assembly for a vehicle having a tractor and a pivotally connected semi-detached trailer, the assembly comprising:
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a mounting block having a groove defined therein, attachable to a chassis of the tractor; a support movably engaged in the groove, the support rotatably supporting a wheel to be movable into rolling engagement with a bottom surface of the trailer; a counter operable to count a number of rotations or partial rotations of the wheel as the trailer pivots with respect to the tractor during a vehicle turn; and a motor connectable to a rotatable mirror on the tractor; and a processor programmed to receive the number of wheel rotations or partial rotations from the counter, calculate a degree of vehicle turn corresponding to the number of wheel rotations or partial rotations, calculate a degree of mirror rotation corresponding to the degree of vehicle turn, and instruct a motorized mirror attached to the tractor to rotate the mirror according to the calculated degree of mirror rotation. - View Dependent Claims (9, 11, 12, 13, 14, 15, 16)
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17. A method for remotely rotating a mirror on a vehicle having a tractor and a pivotally connected semi-detached trailer, comprising the steps of:
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rotatably attaching a control wheel to an apparatus for supporting the control wheel; moving the control wheel on the supporting apparatus into rolling engagement with a lower surface of the trailer; counting a number of rotations or partial rotations of the wheel as the trailer pivots with respect to the tractor during a vehicle turn; calculating a degree of vehicle turn corresponding to the number of rotations or partial rotations of the wheel; calculating a degree of mirror rotation corresponding to the degree of vehicle turn; and automatically rotating the mirror in accordance with the calculated degree of mirror rotation. - View Dependent Claims (18, 19, 20, 21)
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Specification