A. It shall be unlawful for any person as a patron of an establishment where alcoholic beverages are sold for consumption on the premises, to possess or carry or display any dangerous or deadly weapon, whether concealed or not, while on the premises of such establishment.

B. It shall be an affirmative defense to a charge of possession or carrying a dangerous or deadly weapon under this section that said weapon was a folding type knife with a blade not exceeding three and one-half inches (3 1/2"). This defense does not apply to a charge of displaying such a weapon. (Ord. 13, Series 1981)