| 摘要 |
<P>PROBLEM TO BE SOLVED: To improve durability of a freely collapsible carriage having a loading space part made of a synthetic resin. <P>SOLUTION: The freely collapsible carriage includes: a freely rising-up/falling-down loading space part 1 horizontally superposable on a back panel; and a side panel 4 freely collapsible so as to sandwich the loading space part 1 between the back panel and itself, wherein the loading space part 1 is provided with a lock means 11 for checking the rotational movement to a rising attitude of the loading space part 1 and rocking to the outside of the side panel 4 by engaging with a front end part of both right-left side panels when this loading space part 1 is in a horizontal rinsing-up/falling-down attitude, and is constituted by arranging a second vertical abutting surface S3 on the loading space part 1 side and a second vertical abutting surface S4 on the side panel 4 side, for checking rocking to the outside of the side panel 4 by mutually abutting simultaneously with abutment of mutual these both vertical abutting surfaces S1 and S2, separately from the vertical abutting surface S1 on the side panel 4 side and the vertical abutting surface S2 on the loading space part 1 side, for checking the rocking to the outside of the side panel 4 by mutually abutting in the engaging action against the side panel of the lock means 11. <P>COPYRIGHT: (C)2012,JPO&INPIT |
