US Patent 9592749 Vehicle seat, in particular motor vehicle seat

A vehicle seat has a basic structure, a backrest support which is articulated on the basic structure in a lockable manner by at least one fitting, a backrest structure a backrest that has the backrest support and the backrest structure, the backrest being movable in relation to the basic structure by a kinematic system in order to transfer the vehicle seat from at least one use position, in which it can be sat on, into an out-of-use position or into a further use position and back again. A four-bar linkage temporarily exists the four-bar linkage controlling the kinematic system.