Extensible boat trailer / trailer for launching of boats, the two pipes / telescopic tube a - and can be pulled out, in the middle under the trailer, which lock / lock bolt with via congruent holes in length to be determined individually be rigidly fixed

摘要

Extensible boat trailer / trailer for launching of boats, with two guided, a - and extensible, in the middle under the trailer, which is guided which counter pipes / telescopic tube characterized in that the rigid outer tube (1) is designed, the same length a - and extensible, which, to receive the inner tube (2), and at least partly extended inner tube (2) with insertable screws / bolts (6) through holes (4 and 5) than to the stop (3) a - and can be fixed can be pushed.