ORS 164.415: Robbery in the first degree.

(1) A person commits the crime of robbery in the first degree if the person violates ORS 164.395 and the person:

      (a) Is armed with a deadly weapon;

      (b) Uses or attempts to use a dangerous weapon; or

      (c) Causes or attempts to cause serious physical injury to any person.

      (2) Robbery in the first degree is a Class A felony.