Airplane seat

Claim 1

An airplane seat comprising in combination, a base member having a pair of tracks located on the bottom thereof cooperating with a pair of tracks fixed to the floor of an airplane fuselage and adapted to move in a fore and aft direction, an opening in the top of said base member, clutch means located in said opening adapted to move universally in fore, aft and lateral directions therein, an adjustable, generally horizontally disposed seat base located above said base member, a vertically disposed shaft fixed to the bottom of said seat base and to said clutch means located in said opening and adapted to rotate said seat with respect to said base member and permit movement of said seat base universally in fore, aft and lateral directions independently of the movement of said base member on the tracks fixed to the floor of said fuselage, said clutch means including clutch plates disposed in opposite sides of the opening in said base member and which are keyed on said shaft for axial movement thereon and into and out of contact with the upper and lower surfaces of the top of said base member when in engaged and disengaged positions, respectively, an adjustable, generally vertically disposed back member cooperatively and pivotally joined to said seat base, a pair of arm rests disposed along the sides of said seat base and forward of said back member, adjusting means located on said seat base adapted to lower and raise the leading edge thereof with respect to its generally horizontal disposition, adjusting means located in said back member adapted to adjust the curvature of the front surface thereof and means for adjusting the vertical position of said back member with respect to its disposition with said seat base located on said seat base.