Patent ID: 8469651

Claim:
A conveyance device comprising: a conveyance carriage traveling along a conveyance path; an elevating table provided in the conveyance carriage, the elevating table having a table main body and a table bearing base removably mountable on the table main body for supporting a lowerside of an object to be conveyed, the table main body having a top surface, and the top surface being flush with a flat work floor on the conveyance carriage when the table main body is in a lowering limit position; a strut bearing base mountable on the conveyance carriage, the strut bearing base having a pair of left and right strut members removably mountable on the conveyance carriage at left and right sides of the elevating table, respectively; the left and right strut members each comprising a bearing portion for supporting one of left and right edges of the object to be conveyed, a base supported by the flat work floor on the conveyance carriage, and at least one locking pin protruding vertically downward from the base, at least one position-determining hole disposed in the flat work floor supporting the base of each strut member, and the locking pin of each strut member being extractably insertable into an associated position-determining hole; locking means for freely lockingly engaging with each locking pin inserted into the associated position-determining hole under a lowerside of the flat work floor of the conveyance carriage; the flat work floor on the conveyance carriage having only the position-determining holes around the object to be conveyed, when the object to be conveyed is supported by the elevating table and the strut bearing base is removed; and when the elevating table is in the lowering limit position with the table bearing base removed and the object to be conveyed is supported by the strut bearing base mounted on the conveyance carriage, the conveyance carriage provides a flat work floor on the conveyance carriage, including the top surface of the table main body, and a space for workers to enter into to work on a lowerside of the object.