Spring structure of a multi-joint luggage pull-rod

Details Spring structure of a multi-joint luggage pull-rod Spring structure of a multi-joint luggage pull-rod

2006-06-29

2009-06-23

Mai, Tri M (Department: 3781)

Trunks and hand-carried luggage

Hand luggage

With handle

C016S113100

Reexamination Certificate

active

07549520

ABSTRACT:
The spring structure of a multi-joint luggage pull rod is placed in the positioning base between the first and second joint tube of the pull rod. The spring structure includes top base, spring and bottom base. The top base includes a concave part, protruding joint, and spring limiting part. The protruding joint inserts in the through hole of the positioning base made by the second joint tube. The base includes a spring support and a prop, and the spring support is to be connected to the bottom of the spring. The prop can be pushed against the top of the positioning base made by the second joint tube. The spring structure for a multi-joint pull rod adds the top base, spring and bottom base for easy assembly, which does not have to change the internal structure of the pull rod to make the grip spring upward.

REFERENCES:
patent: 6026543 (2000-02-01), Chen
patent: 6148477 (2000-11-01), Cheng
patent: 6581737 (2003-06-01), Wang
patent: 6609271 (2003-08-01), Kuo
patent: 7207085 (2007-04-01), Chen
patent: 2003/0042092 (2003-03-01), Wang
patent: 2006/0225981 (2006-10-01), Lin

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