Patent ID: 8171729

Claim:
A mechanical output generating assembly, comprising: a housing having a fluid filled interior and defining an ascending passageway through which travels a buoyant article; first and second chain drives incorporated into said housing and defining, there between, said passageway; a reload mechanism for successively introducing a plurality of buoyant article into a bottom feed location associated with said housing, said buoyant articles exerting a lift generating force to drive a power take off component incorporated into said housing; said reload mechanism defining a secondary and separately attachable housing engageable over an entranceway associated with said bottom feed location, said bottom feed location of said housing further comprising a service door comprising a part of said housing and which closes off said entranceway to said ascending passageway upon disengagement said reload mechanism; and a re-supply mechanism for transferring buoyant articles from an upper exit location of said housing to said reload mechanism.