Method and apparatus for lumbar support with integrated...

Details Method and apparatus for lumbar support with integrated... Method and apparatus for lumbar support with integrated...

2005-05-17

2005-05-17

Cranmer, Laurie K. (Department: 3636)

Chairs and seats

Bottom or back with means to alter contour

Providing support for lower back region

C297S284100, C297S284700, C297S284200, C297S284300, C297S284800

Reexamination Certificate

active

06893089

ABSTRACT:
A lumbar support for a seat includes an archable pressure surface having an upper region and a lower region and a force actuator such as an electric motor. The force actuator is held in a housing. The actuator housing is fixedly attached to said archable pressure surface in a compact design. A force transmission element such as a cable is connected to at least one of the upper and lower regions of the pressure surface and the force transmission element is also connected to the actuator. When force is applied by the force actuator to the cable, the pressure surface arches from a substantially flat position to an arched position.

REFERENCES:
patent: 6616227 (2003-09-01), Blendea et al.
patent: 6676214 (2004-01-01), McMillen et al.
patent: 1046539 (2000-10-01), None

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