Golf club bag

Abstract

A golf club bag has a bag member, a transmission device and two wheels. The transmission device is provided on the bag member, which has a control bar and two frames. The control bar is moved for a linear reciprocating motion. The frames are pivoted on the bag member and are moved by the control bar between a collapsed position and an extended position. The wheels are provided on the frames of the transmission device respectively for rotation.

1 . A golf club bag, comprising: 
 a bag member;    a transmission device provided on the bag member, which has a control bar and two frames, wherein the control bar is moved for a linear reciprocating motion, and the frames are pivoted on the bag member and moved by the control bar between a collapsed position and an extended position, and    two wheels provided on the frames of the transmission device respectively.    
   
   
       2 . The golf club bag as defined in  claim 1 , wherein the transmission device has two racks on the control bar, and the frames have an outer gear respectively to be driven by the racks respectively.  
   
   
       3 . The golf club bag as defined in  claim 2 , wherein the bag member has a base, on which an axial hole is provided, and the control bar is inserted into the axial hole of the base, and the frames have an end pivoted on the base respectively.  
   
   
       4 . The golf club bag as defined in  claim 3 , wherein the transmission device has two gear sets, each of which are provided on the base and has a gear meshed with the racks and the outer frames respectively.  
   
   
       5 . The golf club bag as defined in  claim 4 , wherein the frames are pivoted on two connectors respectively, and the transmission device has two auxiliary bars, each of which have opposite ends pivoted on the base and the connectors respectively.  
   
   
       6 . The golf club bag as defined in  claim 5 , wherein the control bar has an inner tube, a handle on the inner tube and an outer tube fitted to the inner tube, on which the racks are fixed.  
   
   
       7 . The golf club bag as defined in  claim 1 , wherein the bag member has two concave portions at a bottom thereof to receive the wheels therein respectively.  
   
   
       8 . The golf club bag as defined in  claim 1 , wherein the bag member has a bag and a lid to be detachably coupled with the bag.  
   
   
       9 . The golf club bag as defined in  claim 1 , wherein the control bar has an outer tube and an inner tube fitted to the outer tube to be moved relative to the outer tube.