Multi-position, foldable armchair with adjustable backrest inclination and seat height

Abstract From the Canadian patent

This invention relates to a multi-position foldable armchair whose backrest inclination and seat height are adjustable, comprising on each side, a crossed support of which the rear leg is articulated about a pivot pin under the front part of a seat and of which the front leg is connected to the rear part of the latter by a finger-rack arrangement. It also comprises a backrest articulated about a pivot pin on the front leg. Finally, it comprises an armrest articulated about a pin on the backrest and connected by a pin-rack arrangement to a compass element of which the front arm is articulated about a pin on the seat and of which the rear arm is articulated about the pin on the front leg. …