| 摘要 |
PURPOSE:To prevent a coupling pin and accessories from being seized together, and as well to facilitate the alignment of pin holes, by coupling a truck frame with a side frame by means of the pin through a floatable plate. CONSTITUTION:Pin holes 12, 13 which are snuggly fitted therein with a pin 15 are formed in a bracket 9 and the bottom plate of a truck frame 5 which is attached with the bracket 9 on the inside of the end of thereof. A rectangular plate fitting hole 16 which is larger than the pin hole 13 in the truck frame 5, is formed in a side frame 6. A plate 18 is fitted in the plate fitting hole 16 floatably therein, and is formed therein with a pin hole 19. The truck frame 5 is coupled with the side frame 6 by means of the pin 15 through the plate 18. With the provision of the plate 18 the pin 15 may prevented from being fatigued and seized. |
