PURPOSE:To drive engines and to eliminate the running cost, by screwing a spring limitlessly into a strong spring and providing many strong spring units while further providing a special bearing handle, a special handle, a special pipe, etc. thus obtaining a motive device which keeps rotation ...
JAPANESE PERMANENT ROTARY MOTIVE FORCE DEVICE EMPLOYING PLUS/MINUS SYSTEM OF SPRINGPURPOSE:To drive engines and to eliminate the running cost, by screwing a spring limitlessly into a strong spring and providing many strong spring units while further providing a special bearing handle, a special ...