US Patent 11490724 Electric pet hair brush

The present invention discloses an electric pet hair brush. The electric pet hair brush. comprises a shell, a roller, a control module and a power module. The shell has an accommodation space. The control module and the power module are electrically connected and are accommodated in the accommodation space. The roller is arranged at the front end of the shelf and is connected with the power module. The roller can be driven by the power module to rotate. The roller comprises a roller main body and multiple comb assemblies. The power module drives the roller main body to rotate, and the multiple comb assemblies can alternatively and circularly extend from the roller main body or retract into an accommodation space of the roller main body with the rotation of the roller main body.