Texas - Health, Safety & Morals - 46.02. Unlawful carrying weapons. (a) A person commits an offense if intentionally, knowingly , or recklessly carries on or about his person a handgun, illegal knife, or club. [Exceptions: official; actor was own premises; was traveling; engaged in lawful hunting, fishing, or other sporting activity; security guard]. - 46.01. Definitions. (1) "Club"... includes... (D) Tomahawk... (6) "Illegal knife" means a: (A) knife with a blade over five and one-half inches; (B) hand instrument designed to cut or stab another by being thrown; (C) dagger, including but not limited to a dirk, stiletto, and poniard; (D) sword; or (E) spear. (7) "Knife" means any bladed hand instrument that is capable of inflicting serious bodily injury or death by cutting or stabbing a person with the instrument. - 46.03. Places weapons prohibited. (a) A person commits an offense if, with a firearm, illegal knife, club, or prohibited weapon [includes switchblade knives], he intentionally, knowingly, or recklessly goes: (1) on the physical premises of a school [or school bus]; (2) on the premises of a polling place... [(3) a court; (4) a racetrack; (5) secured area of an airport]. - 46.05. Prohibited Weapons. (a) A person commits and offense if he intentionally or knowingly possesses, manufactures, transports, repairs, or sells... (5) a switchblade knife... (d) It is an affirmative defense to prosecution under this section that the actor's conduct: (1) was incidental to dealing with a switchblade knife, springblade knife, or short-barrel firearm solely as an antique or curio... - 46.06. Unlawful transfer of certain weapons. (a) A person commits an offense if he... (2)... sells... gives... offers... to any child younger than 18 years any firearm, or illegal knife [except with written parental consent].
Texas Case Law: - "A teacher could not carry weapons in his school room..." (1889) - Broken switchblade knife was still a "switchblade knife" within this section... (1986) - "Defendant's contention that he took knife to school to fight demons that plagued him did not defeat requisite state of mind for conviction..." (1993)