Vehicle mirror with powered extension incorporating slip clutch

Details Vehicle mirror with powered extension incorporating slip clutch Vehicle mirror with powered extension incorporating slip clutch

2007-09-18

2007-09-18

Robinson, Mark A. (Department: 2872)

Optical: systems and elements

Mirror

Retractable vehicle mirror

C359S877000, C359S881000

Reexamination Certificate

active

10595021

ABSTRACT:
The invention relates to an exterior vehicle mirror having a mirror assembly mounted to a vehicle. A drive assembly comprises a drive screw coupled to a motor and a drive nut threadably mounted on the drive screw. The rotation of the drive screw by the motor causes the drive nut to traverse the drive screw. As the drive nut traverses the drive screw, it causes the extension and retraction of the mirror assembly. A slip clutch is interposed between the motor and the drive screw to enable the motor to continue to operate without damage if the mirror assembly reaches full extension or retraction.

REFERENCES:
patent: 4969727 (1990-11-01), Eckert et al.
patent: 5477390 (1995-12-01), Rawlings et al.
patent: 6213609 (2001-04-01), Boddy et al.
patent: 6234637 (2001-05-01), Juraschek
patent: 6325518 (2001-12-01), Whitehead et al.
patent: 6394616 (2002-05-01), Foote et al.
patent: 6582087 (2003-06-01), Whitehead et al.
patent: 0220606 (1987-05-01), None

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