FIELD: personal use articles.
SUBSTANCE: invention relates to a spring mattress. The spring mattress comprises multiple rows connected with each other side by side, every of which comprises multiple solid shells, and each shell comprises a cylindrical spring. At least one of shells in at least one of rows comprises multiple stretched slots inside the shell. At least some of the specified stretched slots are displaced relative to each other in the longitudinal direction of the specified spring.
EFFECT: less rustling noise as a shell bends along the spring length in case of loading.
27 cl, 7 dwg
