Patent Number: 6,292,979

Title: Positioning structure of retractable draw bar for a suitcase

Abstract: The present invention proposes a positioning structure of a retractable draw bar, wherein an extended sheet is formed at the upper edge of each of the retaining holes of the first joint tube to increase the area of the upper edge of the retaining hole. When the retaining buttons of the positioning seat is fastened in the retaining holes and bear an upward force, the contact area of the upper edges thereof will be larger. Therefore, the retaining buttons can bear larger load so that they will not break or be damaged because of large shearing force. The lifetime can thus be greatly increased.

Inventors: Kuo; Chung-Hsien (Taipei Hsien, TW)

Assignee: Chaw Khong Technology Co., Ltd.

International Classification: A45C 13/26 (20060101); A45C 13/00 (20060101); A45C 003/00 (); B25G 001/04 ()

Expiration Date: 09/25/2018