Tightening straps for bag

Abstract

The present invention provides tightening straps for a bag which are tightening straps for a bag that are coupled and installed on a bag having shoulder straps on both sides thereof, and which comprise: an upper left side strap having one end connectedly coupled to a left side shoulder strap; an upper right side strap having one end connectedly coupled to a right side shoulder strap; a lower left side strap having one end connectedly coupled to the bottom left side of a bag; a lower right side strap having one end connectedly coupled to the bottom right side of the bag; first coupling parts installed on the other end of the upper left side strap and the other end of the lower right side strap, and coupling the other end of the upper left side strap and the other end of the lower right side strap in a detachable manner; and a second coupling parts installed on the other end of the upper right side strap and the other end of the lower left side strap, and coupling the other end of the upper right side strap and the other end of the lower left side strap in a detachable manner. Thus, the tightening straps for a bag have the upper left side strap and the lower right side strap which are connected to each other via the first coupling parts and the upper right side strap and the lower left side strap which are connected to each other via the second coupling parts disposed tightly in an “X” shape on the front of a user's upper body in a state in which the user is carrying the bag using shoulder straps, and can maintain the bag in a secure, tight state on the user's back.

1 . Tightening straps for a bag which are coupled and installed on a bag having shoulder straps on both sides thereof, comprising:
 an upper left side strap having one end connectedly coupled to a left side shoulder strap;   an upper right side strap having one end connectedly coupled to a right side shoulder strap;   a lower left side strap having one end connectedly coupled to the bottom left side of the bag;   a lower right side strap having one end connectedly coupled to the bottom right side of the bag;   a first coupling part installed on the other end of the upper left side strap and the other end of the lower right side strap, and coupling the other end of the upper left side strap and the other end of the lower right side strap in a detachable manner; and   a second coupling part installed on the other end of the upper right side strap and the other end of the lower left side strap, and coupling the other end of the upper right side strap and the other end of the lower left side strap in a detachable manner.   
     
     
         2 . The tightening straps for a bag according to  claim 1 , wherein the first coupling part and the second coupling part form a buckle member. 
     
     
         3 . The tightening straps according to  claim 1 , wherein the first coupling part and the second coupling part are snap buttons. 
     
     
         4 . Tightening straps for a bag which are coupled and installed on a bag having shoulder straps on both sides thereof, comprising:
 a left side connection strap having one end connectedly coupled to a left side shoulder strap and the other end connectedly coupled to a bottom left side of the bag;   a right side connection strap having one end connectedly coupled to a right side shoulder strap and the other end connectedly coupled to a bottom right side of the bag; and   a third coupling part installed on one side of the left side connection strap and one side of the right side connection strap, and coupling the one side of the left side connection strap and the one side of the right side connection strap in a detachable manner.   
     
     
         5 . The tightening straps for a bag according to  claim 4 , wherein the third coupling part is a buckle member. 
     
     
         6 . The tightening straps according to  claim 4 , wherein the third coupling part is to be snap buttons. 
     
     
         7 . Tightening straps for a bag which are coupled and installed on a bag having a shoulder strap on one side thereof, comprising:
 an upper connection strap having one end connectedly coupled to the shoulder strap;   a lower connection strap having one end connectedly coupled to a lower end at the other side of the bag; and   a fourth coupling part installed on the other end of the upper connection strap and the other end of the lower connection strap, and coupling the other end of the upper connection strap and the other end of the lower connection strap in a detachable manner.   
     
     
         8 . The tightening straps for a bag according to  claim 7 , wherein the fourth coupling part is a buckle member. 
     
     
         9 . The tightening straps according to  claim 7 , wherein the fourth coupling part is to be snap buttons.