Japan, March 5 -- TOYO KIKAKU KK has got intellectual property rights for 'ATTACHING STRUCTURE BETWEEN TIP OF MOVABLE OPERATING ARM OF EXCAVATION MACHINE AND EXCAVATION TOOL.' Other related details are as follows:
Application Number: JP,2022-034699
Category (FI): E21B4/14@B
Stage: PROBLEM TO BE SOLVED: To provide a structure in which an excavation tool 4 that applies pressing force, rotational force, and repeated impact force from a built-in air hammer device H to an excavation blade B to effectively excavate the ground/mass is attached to a tip portion 2 of an operating arm 1 that is operated with freedom in vertical, longitudinal, and horizontal directions of a crane work vehicle G, wherein a connection structure can suppress vertical ...