Integrated child seat with safety locking mechanism

A seat for a motor vehicle providing at least two modes of operation including an adult seat mode and a child seat mode, said seat comprising:

• a rigid frame assembly constructed and arranged for securement within the motor vehicle having a seat cushion carried thereon,
• a rigid seat back frame assembly having a seat back cushion assembly carried thereon, said seat back frame assembly including a movable portion being mounted with respect to said rigid frame assembly for movement between an operative, generally vertical orientation defining a support position so as to support backs of vehicle occupants and a second inoperative orientation whereby said movable portion is disposed in a generally horizontal orientation in a generally overlying relation with said seat cushion,
• said seat back cushion assembly including a movable cushion assembly mounted on said movable portion of said seat back frame assembly and being constructed and arranged to be movable, when said movable portion of said seat back frame assembly is in said operative position, between (1) an adult mode position wherein said movable cushion assembly provides an adult seat back for engaging the back of an adult sitting on said seat cushion and (2) a child mode position wherein said movable cushion assembly provides a child's seat disposed in overlying relation with said seat cushion, and
• a locking mechanism constructed and arranged with respect to said movable cushion assembly and said movable portion of said seat back frame assembly so as to be movable between (1) an unlocked position with respect to said rigid frame assembly when said movable cushion assembly is disposed in said adult mode position and (2) a locked position with respect to said rigid frame assembly in response to movement of said movable cushion to said child mode position so as to prevent said movable portion of said seat back frame assembly from moving to its inoperative position.

A seat for a motor vehicle providing at least two modes of operation including an adult seat mode and a child seat mode, said seat comprising:

• a rigid frame assembly constructed and arranged for securement within the motor vehicle having a seat cushion carried thereon,
• a rigid seat back frame assembly having a seat back cushion assembly carried thereon, said seat back frame assembly including a movable portion being mounted with respect to said rigid frame assembly for movement between an operative, generally vertical orientation defining a support position so as to support backs of vehicle occupants and a second inoperative orientation whereby said movable portion is disposed with respect to said seat cushion in a position having a horizontal component,
• said seat back cushion assembly including a movable cushion assembly mounted on said movable portion of said seat back frame assembly and being constructed and arranged to be movable, when said movable portion of said seat back frame assembly is in said operative position, between (1) an adult mode position wherein said movable cushion assembly provides an adult seat back for engaging the back of an adult sitting on said seat cushion and (2) a child mode position wherein said movable cushion assembly provides a child's seat disposed in overlying relation with said seat cushion, and
• a locking mechanism constructed and arranged with respect to said movable cushion assembly and said movable portion of said seat back frame assembly so as to be movable between (1) an unlocked position with respect to said rigid frame assembly when said movable cushion assembly is disposed in said adult mode position and (2) a locked position with respect to said rigid frame assembly in response to movement of said movable cushion to said child mode position so as to prevent said movable portion of said seat back frame assembly from moving to its inoperative position.