Chair seat

Chair seat

Chair seat adjustment assembly

Chair seat tilt adjustment and locking mechanism

Chair seat tilt control

Chair tilt lock mechanisms

Chair tilt mechanism

Chair with a pivoting seat

Chair with adjustable inclination

Chair with an adjustable backrest

Chair with automatic standing aid

Chair with continuously adjustable seating angle

Chair with four-bar linkage for self-adjusting back tension

Chair with improved cradle motion, particularly for aircrafts

Chair with means for adjusting the inclination of the backrest

Chair with movable seat and backrest

Chair with novel seat construction

Chair with occupant assisting features

Chair with raisable seat, particularly for theaters

Chair with spring actuated rear legs to minimize muscle strain