Patent ID: 6598937
Filing Date: 2003-07-29
Classification: A47C

Abstract:
An adjustable backrest for a seating structure comprising:an upright comprising a rack; said backrest moveably mounted on said upright; a pawl pivotally mounted to said backrest about a pivot axis, wherein said pawl is pivotable between an engaged position wherein said pawl is engaged with said rack and a disengaged position wherein said pawl is disengaged from said rack, wherein said pawl is further translatably mounted to said backrest, wherein said pawl is translatable relative to said backrest between at least a disabled position and an operative position; and a spring biasing said pawl into said engaged position when said pawl is in said operative position wherein said backrest comprises an elongated first track, wherein said pawl is pivotally mounted to said backrest within said first track and is further translatable within said first track, and a second track having a first portion substantially parallel to said first track and a second portion communicating with said first portion and extending transverse to said first portion, wherein said pawl comprises a guide member traveling within said first and second portions of said second track, wherein said guide member is disposed in said first portion when in said disabled position.