Patent ID: 6287095
Filing Date: 2001-09-11
Classification: A47C,F04B

Abstract:
An internal air pump for use with inflatables comprising:an outer shell layer having a continuous vertical sidewall, a roof layer and a floor layer for defining an enclosed inner pump chamber;an inner sandwich layer positioned inside an inner surface of said vertical sidewall of said outer shell layer for defining a volume boundary around said inner pump chamber, said inner sandwich layer including a resilient component;an air intake valve mounted within said roof layer for admitting air into said inner pump chamber; anda plurality of exhaust ducts mounted in said outer shell layer for discharging air from said inner pump chamber to an inflatable, wherein an external force applied to said air pump forces air from said inner pump chamber to said exhaust ducts, and said resilient component enabling said air pump to spring-back after said external force is removed.