Patent ID: 8590412

Claim:
A driving apparatus for operating a sunshade comprising: a housing; a gear assembly mounted inside said housing; a drive unit including a motor with an output shaft, and a worm gear that is connected coaxially to said output shaft, connected drivingly to said gear assembly, and has a free end section opposite to said output shaft; and a vibration limiter having an embracing member disposed around said free end section to prevent said free end section from shaking during the operation of said gear assembly and said motor; wherein said free end section has two axially spaced apart annular flanges, a neck formed between said annular flanges, and an annular groove formed around said neck, said embracing member extending around said neck within said annular groove, said embracing member having an insert opening that permits said neck to be inserted transversely into said embracing member; wherein said vibration limiter further has a mount connected to said embracing member and fixed to said housing; and wherein said housing has first and second housing halves, said first housing half having a surrounding wall surrounding said gear assembly and said worm gear, said surrounding wall having an insert groove proximate to said free end section, said mount being inserted slidably into said insert groove in a direction transverse to said neck.