Heat exchanger bracket mounting structure

In a heat exchanger bracket mounting structure in which a plurality of radiator fins 10 are respectively interposed between a plurality of tubes 9, having a first end and a second end connected to header pipes 2, 3 and a bracket 16 mounted to header pipes 2, 3, the improvement comprising the following structures:

• each of said header pipes 2, 3 is composed of a trough-shaped tank plate 5 and a trough-shaped end plate 4;
• each of said header pipes 2, 3 is constructed by putting said tank plate 5 having two end portions 7 and said end plate 4 having two end portions face to face with each other and then by connecting said two end portions of said tank plate 5 to the outer surfaces of said two end portions of said end plate 4;
• said tank plate 5 includes engagement means on at least one of said two end portions 7 thereof;
• a bracket 16 mounted to said two end portions 7 of said tank plate 5 disposed on the outside of each of said header pipes 2, 3;
• said bracket 16 has a main portion which has a substantially U- or C-shaped section;
• said bracket 16 includes a pair of engagement pieces 17, 18 each having an inwardly biasing elasticity;
• said engagement pieces 17, 18 respectively include holding portions 17a, 18a which are able to hold therebetween said engagement means and said two end portions 7 of said tank plate 5;
• and
• at least one of said holding portions 17a, 18a include engagement projections 22 which is engageable or fittable on a terminal end of one of said two end portions of said tank plate 5.