Adjustable arm device for cable training

Abstract

Disclosed is an adjustable arm device for cable training. The adjustable arm device has a mounting base fitted on a vertical frame, a locking component for locking the mounting base, a swing arm having a guide pulley at its connecting end for the training cable to slide against, a swivel pulley housing at the extending end of the swing arm, a vertically adjustable joint at the connecting end of the swing arm including a horizontal support shaft, a vertical positioning seat, a vertical angle locking component that allows vertical swinging, a horizontal adjustable joint on the mounting base below the vertical joint, including a vertical support shaft, a horizontal positioning seat, a horizontal angle locking component that allows horizontal swinging, and a cable passage between the connecting end of the swing arm and the swivel pulley housing for passage of the training cable.

I claim: 
     
         1 . An adjustable arm device for cable training, which is designed to be mounted on an existing vertical frame to provide guidance and positional support for a training cable equipped with a grip at its end; the adjustable arm device for cable training includes:
 a mounting base, fitted on the vertical frame with an adjustable height;   a locking component, provided on the mounting base to lock the height position of the mounting base;   a swing arm, including a connecting end and an extending end, where the connecting end is connected to the mounting base, and a guide pulley is rotatably provided on the connecting end for the training cable to be in a sliding contact relationship;   a swivel pulley housing, rotatably disposed on the extending end of the swing arm via a rotary shaft, the swivel pulley housing including a cable outlet and an end pulley, with the end pulley rotatably disposed at a position adjacent to the cable outlet so that the end of the training cable first slides and contacts the end pulley before passing out through the cable outlet;   a vertical adjustable joint, installed at the connecting end of the swing arm, including a horizontal support shaft, a vertical positioning seat having a planar positioning surface with multiple vertical angle slots arranged thereon, and a vertical angle locking component, where the swing arm performs a vertical swinging motion to adjust the angle with the horizontal support shaft as the pivot point, and the vertical angle locking component selectively locks with any one of the vertical angle slots to fix the state of the vertical adjustable joint;   a horizontal adjustable joint, positioned adjacent to the vertical adjustable joint, said horizontal adjustable joint including a vertical support shaft and a horizontal positioning seat comprising a substantially planar horizontal plate having multiple horizontal angle slots arranged thereon, wherein a spring-loaded pin of a horizontal angle locking component is oriented substantially parallel to the vertical support shaft and extends in a direction transverse to the planar horizontal plate, said spring-loaded pin being selectively insertable into any one of the horizontal angle slots to secure the horizontal adjustable joint in a fixed angular position, where the swing arm performs a horizontal swinging motion when the spring-loaded pin is withdrawn from the horizontal angle slot to adjust the angle with the vertical support shaft as the pivot point; and   a cable passage, formed between the connecting end of the swing arm and the swivel pulley housing at the extending end.   
     
     
         2 . The adjustable arm device for cable training according to  claim 1 , wherein the horizontal positioning seat is positioned below the vertical adjustable joint. 
     
     
         3 . The adjustable arm device for cable training according to  claim 1 , wherein the horizontal positioning seat is positioned above the vertical adjustable joint. 
     
     
         4 . The adjustable arm device for cable training according to  claim 1 , wherein a handle is further provided on one side of the mounting base. 
     
     
         5 . The adjustable arm device for cable training according to  claim 1 , wherein the vertical angle slots provided on the vertical positioning seat are in the form of holes, and the vertical angle locking component is a spring-loaded pin type including a pull control mechanism, a spring, and an insertion end, where the insertion end selectively engages with any one of the vertical angle slots. 
     
     
         6 . The adjustable arm device for cable training according to  claim 1 , wherein the connecting end of the swing arm includes two side plates spaced apart from each other such that the vertical positioning seat of the vertical adjustable joint is located between the two side plates. 
     
     
         7 . The adjustable arm device for cable training according to  claim 1 , wherein a stop ball is threaded through the end of the training cable, the outer diameter of the stop ball being larger than the cable outlet, thereby preventing the end of the training cable from retracting backward through the cable outlet. 
     
     
         8 . A method for providing multi-directional cable training adjustment comprising:
 providing a cable training device having a swing arm connected to a mounting base through a dual-axis joint system, wherein the dual-axis joint system includes a horizontal adjustment mechanism and a vertical adjustment mechanism;   configuring the horizontal adjustment mechanism with a substantially planar positioning plate having multiple discrete positioning holes arranged therein, and a spring-loaded positioning pin oriented substantially perpendicular to the planar positioning plate;   positioning the spring-loaded positioning pin substantially parallel to a vertical axis of rotation to enable horizontal angular adjustment of the swing arm;   engaging the spring-loaded positioning pin with a selected one of the discrete positioning holes to lock the swing arm in a desired horizontal angular position;   independently adjusting a vertical angular position of the swing arm using the vertical adjustment mechanism while maintaining the locked horizontal angular position; and   routing a training cable through the swing arm to provide resistance training at the selected angular positions,   wherein the spring-loaded positioning pin extends transversely through the planar positioning plate in a direction that distinguishes the horizontal adjustment mechanism from curved positioning surfaces having horizontally-oriented locking elements.   
     
     
         9 . The method according to  claim 8 , further comprising disengaging the spring-loaded positioning pin from the selected positioning hole by applying a pulling force to a handle connected to the spring-loaded positioning pin. 
     
     
         10 . The method according to  claim 8 , further comprising compressing a spring to withdraw the spring-loaded positioning pin from the positioning hole during horizontal angular adjustment. 
     
     
         11 . The method according to  claim 8 , wherein the planar positioning plate is oriented substantially horizontally and the spring-loaded positioning pin extends substantially vertically through the positioning holes. 
     
     
         12 . The method according to  claim 8 , further comprising providing multiple training positions by selectively engaging different positioning holes in a predetermined sequence. 
     
     
         13 . The method according to  claim 8 , wherein the vertical adjustment mechanism includes a curved positioning surface with discrete angular positioning locations and a corresponding locking mechanism. 
     
     
         14 . The method according to  claim 8 , further comprising adjusting a height position of the mounting base on a vertical frame prior to angular positioning adjustments. 
     
     
         15 . The method according to  claim 8 , wherein the training cable passes through a swivel pulley housing that allows additional rotational movement independent of the dual-axis joint system. 
     
     
         16 . A cable training apparatus comprising:
 a mounting structure adapted for attachment to a vertical support frame;   an articulating arm assembly having a proximal end operatively connected to the mounting structure and a distal end configured to guide a training cable;   a dual-axis adjustment system comprising:
 a first positioning joint enabling rotational movement of the articulating arm assembly about a first axis, said first positioning joint having a substantially flat positioning plate with discrete angular positioning locations arranged in an array, and a spring-biased locking mechanism having a locking element oriented substantially perpendicular to the flat positioning plate for selective engagement with said angular positioning locations; and 
 a second positioning joint enabling rotational movement of the articulating arm assembly about a second axis substantially perpendicular to the first axis, said second positioning joint having a positioning surface with discrete angular positioning locations and a locking mechanism for selective engagement with said angular positioning locations; 
   wherein the spring-biased locking mechanism of the first positioning joint comprises a spring-loaded pin extending substantially parallel to an axis of rotation of the second positioning joint, said spring-loaded pin being insertable through the flat positioning plate to engage discrete positioning holes formed therethrough.   
     
     
         17 . The cable training apparatus according to  claim 16 , wherein the discrete angular positioning locations of the first positioning joint are arranged in a linear array across the flat positioning plate. 
     
     
         18 . The cable training apparatus according to  claim 16 , wherein the discrete angular positioning locations of the first positioning joint are arranged in an arcuate array corresponding to angular positions of the articulating arm assembly. 
     
     
         19 . The cable training apparatus according to  claim 16 , wherein the second positioning joint comprises a curved positioning plate having positioning holes arranged along an arc, and the locking mechanism includes a spring-loaded pin oriented substantially parallel to the flat positioning plate of the first positioning joint. 
     
     
         20 . The cable training apparatus according to  claim 16 , wherein the first positioning joint and second positioning joint are positioned adjacent to each other with the first positioning joint controlling horizontal angular movement and the second positioning joint controlling vertical angular movement of the articulating arm assembly.