Comfort belt spring pulley

Details Comfort belt spring pulley Comfort belt spring pulley

2005-08-23

2008-09-16

White, Rodney B. (Department: 3636)

Chairs and seats

Bottom or back with means to alter contour

Providing support for lower back region

C297S284800, C297S284900

Reexamination Certificate

active

07425036

ABSTRACT:
An ergonomic device for a seat is disclosed. The ergonomic device includes a first side plate and a second side plate spaced apart from the first side plate. A hinge connects the second side plate to the first side plate. The ergonomic device also includes at least one pulley connected to the first side plate or the second side plate. A traction element is connected to at least one of the side plates, and the traction element has a cable wire generally wrapped about the at least one pulley. The traction element engages the pulley to at least partially collapse the hinge when a tractive force is applied to the traction element.

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