Portable runners starting block assembly

Abstract

A lightweight runners starting block assembly with adjustable positions for the foot blocks and adjustable angles for the foot plates is disclosed. The longitudinal position of the foot blocks can be adjusted by selecting from a series of holes in the central tie bar. The tilt angles of the foot plates can be adjusted by selecting from one of several notches in the brace arms. The foot blocks can be easily removed from the central tie bar and folded flat so as to fit in a space 12 inches long, 12 inches wide and 6 inches high. The three parts can be stored in a small bag for convenient portability.

I claim: 
     
         1 . A runner's starting block assembly consisting of three parts: a front foot block, a back foot block and a tie bar, having a total assembled weight of less than eight pounds. 
     
     
         2 . A runner's starting block assembly consisting of three parts: a front foot block, a back foot block and a tie bar, which when assembled and placed on a track in a starting position, makes contact with the track only with and through the spikes located on the bottom of the foot blocks, and makes no contact with the track through any part of the tie bar (or central rail) assembly. 
     
     
         3 . A runner's starting block assembly consisting of three parts: a front foot block, a back foot block and a tie bar, which when assembled and placed on the track in a starting position, allows the front foot block to extend beyond the front of the tie bar, thereby allowing the tie bar to be shorter than the longitudinal separation of the foot blocks. 
     
     
         4 . A runner's starting block assembly consisting of three parts: a front foot block, a back foot block and a tie bar, which when disassembled and folded will fit into a box (or space)12 inches long, 12 inches wide and 6 inches high.