US Patent 11134764 Hot iron and curler with brush bristles

A hair curler includes a curling iron assembly and comb tooth assembly arranged on the curling iron assembly. The curling iron assembly includes a heating body (12) and a metal sleeve (11) disposed around the heating body (12), the metal sleeve (11) having a linear groove (111) formed in an outer surface of the metal sleeve (11). The comb tooth assembly includes a comb tooth bar (21) disposed within the linear groove (111), a recess (211) formed between a bottom wall of the linear groove and an interior portion of the comb tooth bar (21), and a plurality of pivotal comb teeth (22) having an inserted portion (221) pivotally retained within the recess (211), wherein the pivotal comb teeth (22) are movable relative to the comb tooth bar (21).