Vehicle frame construction for buggies with riding saddles

摘要

A vehicle frame construction in a buggy with a riding saddle, includes a main frame extending longitudinally along a central axis of the buggy, the main frame having front and rear ends, and a pair of down tubes disposed one on each side of the main frame and having one ends fixed to sides of the front end of the main frame and opposite ends fixed to sides of the rear end of the main frame. Each of the down tubes is composed of a downwardly directed portion extending downwardly from the front end of the main frame and in a forward direction of the buggy, a horizontal portion extending substantially horizontally from the downwardly directed portion in a rearward direction of the buggy, and an upwardly directed portion extending substantially vertically upwardly from the horizontal portion to the rear end of the main frame. Each of the down tubes includes a curved portion between the downwardly directed portion and the horizontal portion, the downwardly directed portion and the horizontal portion having axes extending at an acute angle with respect to each other. A reinforcement pipe is detachably coupled between the downwardly directed portion and the horizontal portion of each of the down tubes.