§61-7-2. Definitions.
As used in this article, unless the context otherwise requires:
(1) "Blackjack" means a short bludgeon consisting, at the striking end, of an encased piece of lead or some other heavy substance and, at the handle end, a strap or springy shaft which increases the force of impact when a person or object is struck. The term "blackjack" shall include, but not be limited to, a billy, billy club, sand club, sandbag or slapjack.
(2) "Gravity knife" means any knife that has a blade released from the handle by the force of gravity or the application of centrifugal force and when so released is locked in place by means of a button, spring, lever or other locking or catching device.
(3) "Knife" means an instrument, intended to be used or readily adaptable to be used as a weapon, consisting of a sharp-edged or sharp-pointed blade, usually made of steel, attached to a handle which is capable of inflicting cutting, stabbing or tearing wounds. The term "knife" shall include, but not be limited to, any dagger, dirk, poniard or stiletto, with a blade over three and one-half inches in length, any switchblade knife or gravity knife and any other instrument capable of inflicting cutting, stabbing or tearing wounds. A pocket knife with a blade three and one-half inches or less in length, a hunting or fishing knife carried for hunting, fishing, sports or other recreational uses, or a knife designed for use as a tool or household implement shall not be included within the term "knife" as defined herein unless such knife is knowingly used or intended to be used to produce serious bodily injury or death.(4) "Switchblade knife" means any knife having a spring-operated blade which opens automatically upon pressure being applied to a button, catch or other releasing device in its handle.
if its an assisted opener i would say it fits the definition of a switchblade. otherwise you should be ok.