Patent ID: 7416517
Filing Date: 2008-08-26
Classification: A63B

Abstract:
1. A martial arts training device, comprising: a. an elongate shaft; b. at least four arms, each arm extending at approximately a right angle from the shaft, the arms being located in spaced apart relationship both with respect to the length of the elongate shaft, and with respect to orientation around the shaft in a plane normal to the shaft, wherein each arm after a first arm has a predecessor arm along the shaft, and each arm after the first arm is rotated at least 60° with respect to its predecessor arm and wherein at least one arm of the at least four arms extends into each quadrant of a circle with the elongate shaft at its center; c. a first rotary bearing; and d. a base, the base supporting the first rotary bearing and the first rotary bearing supporting the elongate shaft at an end thereof such that the shaft is capable of 360° rotation; and e. wherein the first rotary bearing comprises two opposed cup structures each structure comprising a hollow cylinder closed at one end by a curved surface.