Abstract: A hydraulic lift arm assembly for vehicle including parallel sidewalls between which an axle tube is fixably mounted. The lift arm assembly is rotatably mounted around the axle tube.

Abstract: Disclosed herein is a lawn mower including an engine having a first rotatable gear, an energy storage and delivery mechanism connected to said engine and comprising an energy storing spiral spring, a gear set including rotatably mounted second and third gears in mesh with each other and with one of the gears of the gear set connected to the spiral spring, which gear set is displaceable between a stop position wherein one of the second and third gears is in mesh with the first gear so as, in response to rotation of the first gear, to rotate the second and third gears in the direction which is effective to store energy in the spiral spring and a start position wherein the other of said second and third gears is in mesh with the first gear so as, in response to delivery of energy to the gear set from the spiral spring, to rotate the first gear in the engine operating direction, a releasable pawl movable selectively between positions engaged with and disengaged from the energy storage and delivery mechanism for p