Except as provided in ORS 166.291 to ORS 166.293, no person shall carry concealed on his or her person any knife having a blade that projects or swings into position by force of a spring or by centrifugal force; any dirk, dagger, ice pick, sling shot, metal knuckles, or any similar instrument by the use of which injury could be inflicted upon the person or property of any other person. (Ord. 2000-19 § 1: prior code § 5.021)