Twin-arm vehicle mirror system with support bracket bearings

Details Twin-arm vehicle mirror system with support bracket bearings Twin-arm vehicle mirror system with support bracket bearings

2007-08-21

2008-10-28

Shafer, Ricky D (Department: 2872)

Optical: systems and elements

Mirror

Retractable vehicle mirror

C359S872000, C359S881000, C248S478000, C248S480000

Reexamination Certificate

active

07441911

ABSTRACT:
A vehicular external rearview mirror system comprises a twin-arm assembly comprising a pair of parallel support arms connected at one end to a base attached to the vehicle and movably connected at another end to a reflective element assembly through a movable support bracket. The support bracket supports a reflective element assembly and is attached to the twin-arm assembly through a pair of integral bearings which translate along the arms to extend or retract the reflective element assembly. In one embodiment, the bearing imparts a friction force to the arm to enable the bracket to be moved along the arm under the influence of an extension/retraction force, but to maintain the bracket at a selected position along the arm when the force is removed. In another embodiment, the bearing is adapted for frictionless translation of the bracket along the arms under the influence of a powerextend actuator. In yet another embodiment, the bearing is integrated into the movable support bracket for frictional support of the bracket on the arms.

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