Ordinary semi-trailer holding device for transporting trailer between transport tractor and wagon, has detachable frame that is attached with set of two arms in which horizontal branch slides under support runner of crutch

摘要

The device has a detachable frame (1) with a set of six arms (7). Two branches (11, 12) are attached with a base of each arm in a forked form. Each branch is attached with a horizontal branch (15, 16) to be inserted on each side of support point at a pneumatic floor (5) of semi-trailer (4). The frame is attached with another set of two arms (9) in which a horizontal branch (17) slides under a support runner (14) of crutch (6). The crutches form a hook that is apt to hold an ordinary semi-trailer.