Double airplane seats

Claim 1

Double airplane seats disposed in a side-by-side relationship, forming inboard and outboard seats with respect to their disposition in an airplane fuselage and comprising in combination, a common base member having a pair of tracks located on the bottom thereof cooperating with a pair of tracks fixed to the floor of said airplane fuselage and adapted to move in a fore and aft direction, fore and aft tracking means located on the top of the outboard portion of said base member, an opening in the top of said base member located on the inboard portion thereof, clutch means located in said opening adapted to move universally in fore, aft and lateral directions therein, a pair of adjustable, generally horizontally disposed inboard and outboard seat bases located above said base member, a vertically disposed shaft fixed to the bottom of said inboard seat base and to said clutch means located in said opening and adapated to rotate said inboard seat with respect to said base member and permit movement of said inboard 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 on opposite sides of the opening in said base member and which are keyed on said shaft to 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, fore and aft tracking means located on the bottom of said outboard seat base cooperating with said fore and aft tracking means located on the top of the outboard portion of said base member, a pair of adjustable, generally vertically disposed back members cooperatively and pivotally joined to said inboard and outboard seat bases, a pair of arm rests, one of which pair is disposed along the adjacent sides of said inboard and outboard seat bases and forward of said back members and the other of which pair is diposed along the inboard side of said inboard seat base, adjusting means located on each of said seat bases adapted to lower and raise the leading edges thereof with respect to their generally horizontal dispostion, adjusting means located in each of said back members adapted to adjust the curvature of the front surfaces thereof, and means for adjusting the vertical positions of each of said back members with respect to their disposition with said seat bases located on said seat bases.