Optical: systems and elements – Mirror – Plural mirrors or reflecting surfaces
Patent
1997-01-15
1999-12-28
Shafer, Ricky D.
Optical: systems and elements
Mirror
Plural mirrors or reflecting surfaces
359866, 359871, 359872, 359854, 2484751, 248479, 248481, G02B 508, G02B 7182, B60R 106
Patent
active
060072075
ABSTRACT:
A rear view mirror combination is particularly suitable for monitoring obstructions in typical blind spot locations as well as directly to the rear. An accessory for a rear view mirror includes a base for mounting to a structure that supports a main mirror nominally oriented in a main reflection plane; a first auxiliary mirror mounted to the base and extending generally vertically relative to the structure and vertically offset from the main rear view mirror, the first auxiliary mirror is angled outwardly between approximately 25 degrees and approximately 50 degrees from the main reflection plane. The base can have a vertically projecting face portion for fastening to a forwardly facing surface of the structure, or a generally downwardly facing face portion for fastening to an upwardly facing surface of the structure. The accessory can include a second auxiliary mirror mounted to the base, the first and second auxiliary mirrors forming a dihedral angle of between 155 degrees and 175 degrees, the first auxiliary mirror being angled from about 20 to about 40 degrees outwardly with respect to the main mirror. In a further aspect, the invention provides a method for visually monitoring obstructions relative to a vehicle being driven.
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