Patent ID: 7275650

Claim:
A double wall grease container assembly comprising: an outer container having first and second outer side walls, first and second outer end walls, and a bottom outer wall forming an outer container chamber having an open upper end; an inner grease container fitted within the outer container chamber and having first and second inner side walls facing the first and second outer side walls, first and second inner end walls facing the first and second outer end walls, and an inner bottom wall facing the outer bottom wall, the inner container having an inner grease container chamber for holding grease; a first flap and a second flap pivotally mounted to the outer container for pivotal movement about first and second flap axes respectively from an open position out of covering relation over the open upper end of the outer container to a closed position in partial covering relation over the open upper end of the outer container; the inner grease container not being covered by the flaps when the flaps are in the closed position; attachment members connected to the inner grease container and positioned above the first and second flaps; a power lifter detachably connected to the attachment members for lifting the inner grease container out of the outer container chamber through the open upper end thereof and for lowering the inner grease container into the outer container chamber through the open end thereof; a lifting mechanism detachably secured to the attachment members for lifting the inner container out of the outer container chamber through the open upper end thereof and for lowering the inner container into the outer container chamber through the open upper end thereof; first and second pivot pins projecting from the inner container, the first and second pivot pins being within the outer container chamber; and the first and second flaps including first and second notches therein respectively in registered alignment above the first and second pivot pins respectively.