System for coupling and fixing plastic material accessories to modular self-supporting elements and the latter to the vehicle bodywork

A system for coupling and securing an accessory of plastic material to bodywork of a vehicle, said system comprising:

• a base on said accessory,
• a protuberance of pyramid shape extending from said base, said protuberance including a rigid portion secured to said base and a flexible portion secured to an upper end of said rigid portion and extending downwardly in opposition to said fixed portion to form a space with said base and provide flexibility of said flexible portion,
• a self-supporting element having a hole through which said protuberance is insertable,
• a resilient blade having a shaped hole into which said protuberance is inserted after passing through said hole in the self-supporting element, said flexible portion of said protuberance being capable of undergoing deformation when passing through said hole in the blade to be secured therebehind and to hold the blade against the self-supporting element,
• said protuberance defining a slot with said base into which said blade and said self-supporting element are fitted when the protuberance is inserted through said hole in the blade,
• the bodywork of the vehicle having a hole corresponding in shape to the shaped hole in the blade so that said protuberance can be inserted into said hole in the bodywork and be secured thereto with the bodywork also fitted in said slot, and
• a locking member engageable in said protuberance between said rigid and flexible portions to hold said flexible portion in a deformed state in locked position behind the bodywork.