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Multipurpose martial arts training deviceRelated Patent Categories: Exercise Devices, StrikingMultipurpose martial arts training device description/claimsThe Patent Description & Claims data below is from USPTO Patent Application 20070117688, Multipurpose martial arts training device. Brief Patent Description - Full Patent Description - Patent Application Claims
TECHNICAL FIELD [0001] The present invention relates to training equipment used in martial arts. In particular, a multipurpose device that may be used as a staff, a stretching aid or separated into two clubs. BACKGROUND OF THE INVENTION [0002] Training for the martial arts takes on many aspects. In addition to teaching self-defense, it presents a physical fitness regimen to condition the body. Part of the training includes the use of conventional weapons, such as a staff sometimes called a Bo Staff, or a Jo Staff, which is shorter than a Bo, as well as clubs, sometimes called Escrima or Kali Sticks. [0003] Typically, the practitioner would train with one weapon at a time. To change weapons in the middle of a session, the student must interrupt or delay the action to make an exchange. At times, the student may be engaged in a battle with two or more opponents with different weapons. In such situations, it may be advantageous to have the use of more than one weapon. For example, a student in combat may wish to switch from a Bo Staff to Kali Sticks, but may be unable to do so with conventional training weapons. [0004] Additionally, the physical fitness aspect of the sport generally requires warm-up exercises that include stretching the muscles. For some advanced techniques, stretching is essential. Students practicing such techniques require extreme flexibility in the legs, including stretching to nearly 180 degrees. Stretching aids can be used to assist with the flexibility exercises, but providing and carrying such additional equipment can be burdensome. Presently, there is no simple stretching aid that would serve other purposes. It would be advantageous to combine such equipment with other martial arts equipment to minimize transporting excessive amounts of devices and to reduce storage area requirements. [0005] Therefore, there is a need for a device that can easily convert from one weapon to another during training without having to interrupt the training to exchange weapons. In addition, there is a need for a device that may be utilized as a weapon during training as well as a stretching tool prior to weapons training. SUMMARY OF THE INVENTION [0006] The present invention provides modular martial arts training devices comprising at least two tubular components, each having at least one joining end, an interior surface and an exterior surface, and a connection means affixed within the interior surfaces of each of the joining ends to removably affix the tubular components together to form a continuous shaft. [0007] In one embodiment, the continuous shaft comprises two tubular components, a first tubular component and a second tubular component with the connection means comprising a receiving means affixed within the interior surface of the joining end of the first tubular component and a locking means affixed within the interior surface and projecting from the joining end of the second tubular component. In one embodiment, the receiving means consists of a pin mounted transverse within the interior surface of the first tubular component and setback from the joining end; and the locking means comprises a cylindrical component having an upper end, a lower end and an external diameter, the external diameter able to be received within the joining end of the second tubular component and is affixed within the interior surface of the second tubular component, while the upper end projects from the joining end of the second tubular component and has a hook to engage the pin. In a preferred embodiment, the hook comprises at least one J-shaped notch in the upper end of the cylindrical component for engaging the pin. [0008] In another embodiment, the locking means further comprises a spring having a bottom end and a top end fitted within the cylindrical component, with the bottom end affixed within the lower end of the cylindrical component and the top end being about flush with the upper end of the cylindrical component when uncompressed. In a preferred embodiment, the locking means comprises a spring and a shaft within the spring with one end of the shaft affixed to the top end of the spring and the other end slidably affixed to the lower end of the cylindrical component, with the bottom end of the spring affixed to the lower end of the cylindrical component. [0009] In yet another embodiment the exterior surface of the first and second tubular components comprise gripping means. [0010] Another aspect of the invention provides a method of converting the martial arts training staff into martial arts training clubs comprising the steps of; grasping the training staff about the middle of a first tubular component with one hand and grasping about the middle of a second tubular component with the other hand; compressing the first tubular component toward the second tubular component; twisting the first tubular component in one direction while twisting the second tubular component in the opposite direction disengaging the first tubular component from the second tubular component; and separating the tubular components into martial arts training clubs. [0011] Another aspect of the invention provides a martial arts training device as well as a stretching tool for flexing the user's legs prior to training. The device comprises at least two tubular units having at least one joining end, an interior surface and an exterior surface, with a connection means affixed within the interior surface of joining ends to removably affix the tubular units together to form a continuous shaft, and at least two leg attachment means able to be affixed to the exterior surfaces of the at least two tubular units. [0012] In one embodiment of this aspect of the invention, the continuous shaft comprises three tubular units, a first tubular unit having a first end and a second end, a second tubular unit having a third and fourth end and an internal surface and an external surface, and a third tubular unit having a fifth and sixth end. Preferably, the first tubular unit and the third tubular unit further comprise a plurality of apertures positioned linearly along the lengths of the first and third tubular units. The connecting means preferably comprises a threaded dowel extending from the second end of the first tubular unit, a threaded dowel extending from the fifth end of the third tubular unit, and the internal surface of the third and fourth ends of the second tubular unit being threaded and able to receive the threaded dowels extending from the first tubular unit and the third tubular unit. Alternatively, the connection means comprises a threaded dowel extending from the third and forth ends of the second tubular unit, and the internal surface of the second end of the first tubular unit and the fifth end of the third tubular unit being threaded and able to receive the threaded dowels extending from the second tubular unit. Preferably, the threading on the threaded dowel of the first tubular unit is a right-handed thread and the threading on the threaded dowel of the third tubular unit is a left-hand thread, with the threading on both tubular units being the same pitch. Alternatively, the threading on the threaded dowel on the third end of the second tubular unit is a right-handed thread and the threading on the threaded dowel on the forth end of the second tubular unit is a left-handed thread. Preferably, the threading is at about 1 to 3 threads per inch and a pitch of about a 25 to about a 45-degree orientation. [0013] In another embodiment, the at least two leg attachment means comprise adjustable straps with a pin affixed to one end, the pins able to be received by any of the plurality of apertures of the first and third tubular units. To prevent the leg attachment means from slipping at the legs of the user, one embodiment consists of a restraining means removably affixed to both adjustable straps and held in place behind the user. [0014] In yet another embodiment, the external surface of the second tubular unit comprises a gripping means. [0015] In a preferred embodiment, the martial arts training device comprises three tubular units, a first tubular unit having a first end and a second end, a second tubular unit having a third and fourth end, and a third tubular unit having a fifth and sixth end, with the second tubular unit having an internal surface and an external surface, the first tubular unit and the third tubular unit further comprising a plurality of apertures positioned linearly along their lengths; a connection means comprising a right-handed threaded dowel extending from the second end of the first tubular unit, a left-handed threaded dowel extending from the fifth end of the third tubular unit, and the internal surface of the third and fourth ends of the second tubular unit being threaded and able to receive the threaded dowels extending from the first tubular unit and the third tubular unit to removably affix the three tubular units together to form a continuous shaft; and two leg attachment means comprising an adjustable strap and a pin affixed to one end of the adjustable strap for each of the two leg attachment means, the pins being able to be received by the plurality of apertures of each of the first and third tubular units. Alternatively, the connection means may comprise a right-handed threaded dowel extending from the third end of the second tubular unit, a left-handed threaded dowel extending from the forth end of the second tubular unit, and the internal surface of the second end of the first tubular unit and the fifth end of the third tubular being threaded and able to receive the threaded dowels extending from the second tubular unit to removably affix the three tubular units together to form a continuous shaft. [0016] In yet another aspect of the invention, a method for assisting flexibility and stretching exercises using the modular martial arts training device comprising the steps of; affixing a first tubular unit to a second tubular unit by inserting a right-handed threaded dowel extending from the second end of the first tubular unit into the third end of the second tubular unit; affixing a third tubular unit to the second tubular unit by inserting a left-handed threaded dowel extending from the fifth end of the third tubular unit into the fourth end of the second tubular unit; connecting one adjustable strap onto the right leg; connecting one adjustable strap onto the left leg; affixing the right leg to the first tubular unit by inserting a pin connected to the adjustable leg strap into one of a plurality of apertures on the first tubular unit; affixing the left leg to the third tubular unit by inserting a pin attached to the adjustable leg strap into one of a plurality of apertures on the third tubular unit; and rotating the second tubular unit, thereby unthreading the first tubular unit and the third tubular unit from the second tubular unit, thereby flexing and stretching the user's legs. DESCRIPTION OF THE FIGURES [0017] FIG. 1: Is a diagrammatic representation of the staff/clubs embodiment of the present invention showing (A) the side view; (B) the top view; (C) the bottom view; (D) a side view of an exploded diagrammatic representation with spring compressed; (E) a bottom view of the female club; (F) a top view of the female club; (G) a top view of the male club; and (H) a bottom view of the male club. [0018] FIG. 2: Is a diagrammatic representation of the staff/stretching tool embodiment of the present invention showing (A) the side view; (B) the top view; (C) the bottom view; (D) a side view of an exploded diagrammatic representation; (E) a bottom view of the left tubular unit; (F) a top view of the left tubular unit; (G) a top view of the right tubular unit; (H) a bottom view of the right tubular unit; (I) a top view of the central tubular unit; (J) a bottom view of the central tubular unit; (K) a view of the restraining means; and (L) a view of the leg attachment means. DETAILED DESCRIPTION [0019] Unless defined otherwise, all terms used herein have the same meaning as are commonly understood by one of skill in the art to which this invention belongs. All patents, patent applications and publications referred to throughout the disclosure herein are incorporated by reference in their entirety. In the event that there is a plurality of definitions for a term herein, those in this section prevail. Continue reading about Multipurpose martial arts training device... Full patent description for Multipurpose martial arts training device Brief Patent Description - Full Patent Description - Patent Application Claims Click on the above for other options relating to this Multipurpose martial arts training device patent application. ###  How KEYWORD MONITOR works... a FREE service from FreshPatents1. Sign up (takes 30 seconds). 2. Fill in the keywords to be monitored. 3. Each week you receive an email with patent applications related to your keywords. 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