#$%^&*AU2017254822B220191031.pdf#####VERTICALLY STORABLE ENGINE AND MOWER ABSTRACT An apparatus comprising: a gas powered walk behind mower (20) comprising: a deck (24)； a gas powered engine (40) supported by the deck (24)； and a rotating cutting blade (26) driven by the gas powered engine (40), wherein the deck (24) is configured to be stored in a generally vertical orientation without leaking of fluid contained in the gasoline powered engine (40), wherein the deck (24) carries a plurality of wheels (28, 30) and wherein at least one of the wheels (28, 30) is elevated off ground when the deck (24) is in the vertical orientation and wherein a handle (32) extends substantially parallel to the deck (24) when the deck (24) is in the vertical orientation； a mechanical latch (36) actuatable between a locked state in which the latch (36) locks the handle (32) in a collapsed position along the deck (24) and an unlocked state in which the handle (24) is pivotable to an extended use position； and an actuator (58) to actuate the latch (36) between the locked state and the unlocked state, wherein the gas powered engine (40) comprises: a fuel tank (242) having a vent to permit escape of vapor from the fuel tank (242) when the mower (20) is in a substantially horizontal operating orientation and wherein the fuel tank (242) is configured to prevent gasoline from passing through the vent when the fuel tank (242) is maximally filled with gasoline when in the substantially horizontal operating orientation and while the deck (24) is in the vertical orientation, wherein the fuel tank (242) comprises a cap (255) comprising: a vent opening； and a valve configured to permit escape of vapor from the fuel tank (242) when the mower (20) is in a substantially horizontal operating orientation and configured to prevent gasoline from passing through the vent when the fuel tank (242) is maximally filled with gasoline when in the substantially horizontal
