Patent ID: 8672296

Claim:
An apparatus for lifting of shelving supported by vertical support columns positioned upon a support surface, comprising: a bracket, said bracket being substantially “U” shaped and having two parallel sidewalls engaged to a center wall; said center wall having a width allowing a positioning of said sidewalls adjacent to two parallel sides of a vertical support column for a shelf; said sidewalls having an aligned first pair of apertures at a central portion of said bracket between an upper and lower end of said bracket; a pin, said pin engageable through said first pair of apertures and through a passage in said vertical support column thereby positioning said bracket in an engaged position; a gap in said center wall at said lower end of said bracket said gap having a horizontally disposed edge; an aperture communicating through said center wall, said aperture having a horizontally disposed edge; said upper end of said bracket with said pin in said engaged position, pivotable from a first position with said center wall parallel and adjacent to a side surface of said support column, toward said lower end, to a rotated position, said support column communicating through said gap when said bracket is in said rotated position; said bracket in said rotated position engageable to a pair of hooks extending from said plate carriage, said hooks positioned for an engagement with said horizontally disposed edge of said aperture or said gap; said bracket engaged to said carriage, rotatable back to said first position; said sidewalls of said bracket having a second pair of aligned apertures adjacent to said upper end of said bracket; a second pin, said second pin engageable through said second pair of aligned apertures and through a second passage in said vertical support column to thereby lock said bracket in said first position; and means to elevate said carriage, with said bracket in said first position and thereby elevate said support bream column above said support surface.