Patent ID: 7246858
Filing Date: 2007-07-24
Classification: B60N

Abstract:
1. A structure to adjust a seat back comprising: a seat base; a seat back, said seat back comprising a seat back support pivotally connected to said seat base; an adjusting device for pivotally adjusting the seat back with respect to said seat base, said adjusting device comprising a worm, a worm wheel and a bracket, said worm having a knob at an end thereof, said bracket being secured to said seat base opposite said seat back for said worm to extend there through, said worm wheel being matingly engaged to a portion of said worm; a linking rod, said linking rod having one end pivotally connected to said seat back support and another end connected to said worm wheel of said adjusting device, wherein rotational displacement of said knob results in responsive rotational displacement of said worm wheel and responsive displacement of said linking rod.