Patent ID: 6550326
Filing Date: 2003-04-22
Classification: G01F,G01N

Abstract:
A portable container level indicator comprising:a frame having an upper end and a lower end, and adapted to move along a generally vertical wall surface of a container; an elongate handle having a frame end and a grip end, said frame end pivotally attached to said frame such that an angle between said frame and said handle can vary; a tapping mechanism attached to said frame and operable to propel a tapping member towards said wall surface such that said tapping member contacts said wall surface and generates a sound that is audibly different above and below a level of particulate material inside the container; a trigger located adjacent to said grip end of the handle for operating said tapping mechanism such that as the frame is moved upwards along the container wall surface with the handle, the operator can tap the container wall surface to determine at what point on the container wall the sound changes, thereby determining a level of material in the container; wherein said frame comprises wheels attached thereto for supporting same for movement along said wall surface.