Patent ID: 7168740

Claim:
A forklift truck comprising a frame, weight and a mounting structure for mounting the weight on the frame, wherein the mounting structure comprises: a first hole formed through the frame; a second hole formed through the weight; a first fitting part formed on the frame; a second fitting part formed on the weight in such a manner that the first fitting part is fittingly received in the second fitting part, wherein the first hole is formed in the first fitting part and the second hole is formed in the second fitting part such that the first hole and the second hole are aligned with each other when the first fitting part is fittingly received in the second fitting part; a bolt inserted through the aligned first and second holes and a nut screwed onto the bolt for tightening it. wherein the first fitting part comprises a horizontal top portion, a first contacting portion that continues from a rear end of the top portion and extends downward, and a second contacting portion, and wherein the second fitting part comprises a first bearing surface which is in contact engagement with the first contacting portion, and a second bearing surface which is in contact engagement with the second contacting portion, characterized in that the second contacting portion of the first fitting part continues from a lower end of the first contacting portion and extends horizontally forward, and in that the second fitting part comprises a third bearing surface which is in contact engagement with the three portions of the first fitting part.