A crane attachment having movable arms and a slide which embeds the lateral linear motion of the arms, the attachment having a laser pointer which allows the projection of the crane attachment to be marked lineally on the ground, allowing the crane operator to see the exact point where s/he will unload the material, and the material to be placed.
CRANE ATTACHMENT COMPRISING A LASER POINTER
2017-05-11
Patent
Electronic Resource
English
IPC: | B66C Krane , CRANES |