Interior rearview mirror for vehicles

Details Interior rearview mirror for vehicles Interior rearview mirror for vehicles

2000-08-18

2001-05-08

Sikder, Mohammad (Department: 2872)

Optical: systems and elements

Mirror

With support

C359S872000, C359S873000, C359S875000, C248S477000, C248S478000

Reexamination Certificate

active

06227675

ABSTRACT:

BACKGROUND OF THE INVENTION
1. Field of the Invention
The invention relates to an interior rearview mirror for vehicles, especially motor vehicles, comprising a housing with a mirror pane, in particular, a wedge-shaped mirror pane, and comprising a mirror support on which a switching part is supported in a pivotable manner within the housing, which is engaged by an adjusting lever, pivotable against the force of at least one spring, for moving the mirror pane from a rest position into a non-glare position.
2. Description of the Related Art
Interior rearview mirrors of this kind are known in which the adjusting lever is provided for adjusting the mirror pane into the non-glare position. The adjusting lever is loaded by the force of a spring which holds it in its respective positions corresponding to the normal viewing position or the non-glare position of the mirror. The adjusting lever rests under the spring force against the mirror housing. Since especially in the penetration area of the adjusting lever the housing has only a thin wall, the mirror housing is deformed permanently in this area to an impermissible degree. This occurs especially at high temperatures as they occur in summer. Since the adjusting lever is supported against the spring force on the mirror housing, the deformation of the mirror housing results in a decreasing spring load on the adjusting lever. When the mirror housing is adjusted for proper viewing by the driver, it can thus jump accidentally from one into the other position.
SUMMARY OF THE INVENTION
It is an object of the present invention to provide an interior rearview mirror of the aforementioned kind such that impermissible deformations of the mirror housing, caused by heat or resulting during adjustment from one into the other position, can be reliably prevented.
In accordance with the present invention, this is achieved in that the force exerted by the spring onto the adjusting lever is received by the switching member.
As a result of the inventive embodiment, the spring force acting on the adjusting lever is no longer transmitted onto the mirror housing but onto the switching member. Since the switching member is supported on the mirror support and is advantageously made of hard plastic material, impermissible deformations of the mirror housing are reliably prevented. An accidental pivoting of the adjusting lever is reliably prevented.


REFERENCES:
patent: 4941639 (1990-07-01), Sakao
patent: 4961638 (1990-10-01), D'Aquaro et al.
patent: 5327288 (1994-07-01), Wellington et al.
patent: 5600497 (1997-02-01), Leonberger

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