PATENTS SEARCH AND ANALYSIS Patent 1: Forklifts Title of Invention: Forklift Patent No: US20030156934A1 First Filled Country: United States Inventors: Tutomu Fujita, Yasunobu Tomiyama Kazumasa Kokura Brief about Invention: A forklift having a pallet lock device. On an upper face of a top end of a lock bar to lock a pallet, a tapered portion is disposed. When a fork is inserted into the pallet, the tapered portion comes into contact with an end face of the pallet and the lock bar rotates downward