Children's playpen mattress with rigid substrate and inflatable bladder

Abstract

A mattress for a children's playpen or play-yard product using a hard substrate layer and an inflatable bladder to improve comfort, the hard substrate layer including a plurality of rigid substrate sections rotateably attached to one another allowing the mattress's hard substrate layer to lie flat when in use as a mattress and to fold into multilateral shapes when in use as a carrying case, the inflatable bladder improving the comfort of the mattress when inflated and in use as a mattress and still allowing the mattress to operate as an effective carrying case when deflated. The children's playpen or play-yard product also includes a collapsible frame assembly with an air compressor mounted thereto, in preferable embodiments, the air compressor being detachably connectable to the mattress's inflatable bladder to quickly inflate and/or deflate the mattress to facilitate its multifunctional use.