A pick-up tool comprising an elongated hollow shank having a fixed jaw at one end, a pivoting jaw opposite the fixed jaw, a handle transverse to the shank, a trigger adjacent the handle and moveably mounted thereon, a connection member attached to the moveable jaw and to the trigger, and a spring urging...http://www.google.fr/patents/US4160563?utm_source=gb-gplus-shareBrevet US4160563 - Pick-up tool
