No person shall cause, create or maintain any obstruction on any street, alley, sidewalk or other public ways, except as may be specifically authorized by ordinance or by the council1 . (1956 Code, Sec. 7.01)
No person shall place or display on any public sidewalk any goods, chattels or merchandise, except as may be necessary while receiving or shipping such goods, chattels or merchandise. (1956 Code, Sec. 7.02)