21. The mix as established in claim 17, more comprising:

a gusset platter fixedly disposed within explained main system section in a longitudinal position which is substantially midway among stated second and first ends of mentioned major physique section.

22. The mix as set forth in declare 21, whereby:

explained gusset plate carries a considerably inverted and reversely concentrated L-shaped go across-sectional design.

23. The mix as established in state 20, additional comprising:

a installation dish fixedly protected to said first end of explained main body part for installation stated assistance ray structure with a set assistance.

24. The mixture as established in state 23, in which:

mentioned uppr lateral sides of stated main system segment increase from explained 2nd end of stated main body segment to said initially finish of mentioned principal body part and outline explained pressure people in which conclusion areas of explained uppr lateral part stress people positioned at mentioned initial end of said major physique segment are fixedly attached to mentioned installing plate.

25. The mixture as established in claim 17, additional comprising:

a plurality of having dishes fixedly attached in mentioned main entire body part of explained help ray structure for helping a travel drive and motor gearing for driving a vehicle mentioned turning arm.