Baseball pitch practicing rack

Abstract

A baseball pitch practicing rack includes two opposite frame seats, a front crossbar mounted between the two opposite frame seats, a rear crossbar mounted between the two opposite frame seats, two opposite U-shaped support foot frames each pivotally mounted on a bottom of a respective one of the two opposite frame seats, and a main frame pivotally mounted between the two opposite frame seats. The main frame is provided with a plurality of swing boards, so that the user can pitch the baseball toward the swing boards to hit one of the swing boards, so as to practice the pitching accuracy.

What is claimed is:  
     
         1 . A baseball pitch practicing rack, comprising two opposite frame seats, a front crossbar mounted between the two opposite frame seats, a rear crossbar mounted between the two opposite frame seats, two opposite U-shaped support foot frames each pivotally mounted on a bottom of a respective one of the two opposite frame seats, and a main frame pivotally mounted between the two opposite frame seats.  
     
     
         2 . The baseball pitch practicing rack in accordance with  claim 1 , wherein the main frame is pivotally mounted between the two opposite frame seats by a shaft.  
     
     
         3 . The baseball pitch practicing rack in accordance with  claim 1 , wherein the further comprising two support rods each having a first end pivotally mounted on the rear crossbar and a second end rested on a back side of the main frame.  
     
     
         4 . The baseball pitch practicing rack in accordance with  claim 1 , wherein the main frame is formed with a plurality of partitions, and the baseball pitch practicing rack further comprises a plurality of swing boards each pivotally mounted in a respective one of the partitions of the main frame.  
     
     
         5 . The baseball pitch practicing rack in accordance with  claim 4 , wherein the main frame is provided with two guide tracks, and the baseball pitch practicing rack further comprises a return rod movably mounted on the main frame and capable of contacting with each of the swing boards, two fixing seats each slidably mounted on a respective one of the two guide tracks and each secured on the return rod for moving the return rod, and a pull cord reeved through a top of the main frame and having two ends each secured on a respective one of the two fixing seats for pulling the two fixing seats.  
     
     
         6 . The baseball pitch practicing rack in accordance with  claim 5 , wherein each of the two fixing seats is formed with a substantially T-shaped guide slot for receiving the respective guide track.  
     
     
         7 . The baseball pitch practicing rack in accordance with  claim 4 , wherein each of the swing boards is pivotally mounted in a respective one of the partitions of the main frame by a support shaft.  
     
     
         8 . The baseball pitch practicing rack in accordance with  claim 7 , wherein each of the swing boards has a bottom formed with a base pivotally mounted on the support shaft, the base of each of the swing boards has a first end provided with two first magnets and a second end provided with two second magnets.  
     
     
         9 . The baseball pitch practicing rack in accordance with  claim 8 , wherein each of the partitions of the main frame is provided with a positioning plate made of metal attracted by the first magnets and the second magnets of the respective swing board.  
     
     
         10 . The baseball pitch practicing rack in accordance with  claim 9 , wherein each of the swing boards is pivoted on the support shaft between a first position where each of the swing boards is located at a horizontal state, so that the second magnets of each of the swing boards are secured on the respective positioning plate of the main frame, and a second position where each of the swing boards is located at a vertical state, so that the first second magnets of each of the swing boards are secured on the respective positioning plate of the main frame.  
     
     
         11 . The baseball pitch practicing rack in accordance with  claim 1 , further comprising two elbow links each having a first end pivotally mounted on the rear crossbar and a second end pivotally mounted on a respective one of the opposite support foot frames.  
     
     
         12 . The baseball pitch practicing rack in accordance with  claim 1 , further comprising two mounting tubes each having a first end mounted on a top of a front end of a respective one of the two opposite frame seats, and a substantially inverted U-shaped front rail having two ends each inserted into a second end of a respective one of the two mounting tubes.  
     
     
         13 . The baseball pitch practicing rack in accordance with  claim 12 , further comprising cushioning nets and cushioning cloth mounted between the two opposite frame seats, the two support foot frames and the front rail.  
     
     
         14 . The baseball pitch practicing rack in accordance with  claim 1 , further comprising a substantially inverted U-shaped rear rail having two ends each mounted on a top of a rear end of a respective one of the two opposite frame seats.  
     
     
         15 . The baseball pitch practicing rack in accordance with  claim 14 , further comprising cushioning nets and cushioning cloth mounted between the two opposite frame seats, the two support foot frames and the rear rail.