# US 5,704,725 A · Locating structure for luggage pull rod

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- Number: US 5,704,725 A
- Document ID: US5704725A
- Status: Granted
- Kind: A
- Application number: 08/725,473
- Filed: 1996-10-04
- Granted: 1998-01-06
- Earliest claimed: 1996-10-04
- Inventors: Ruen-Liann Horing
- Web page: https://patentgrep.com/patent/US5704725A

## CPC

- A45C 13/262: {for wheeled luggage}
- Y10T 403/32483: Spring biased
- Y10T 403/7077: for telescoping members
- A45C: PURSES; LUGGAGE; HAND CARRIED BAGS
- Y10T: TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION

## Abstract

A locating structure for luggage pull rod, including a rectangular outer tube, a rectangular inner tube, a locating cord, an engaging body, a small spring, a large spring, a control linking lever, two opposite cover bodies and two sealing caps. The outer tube is integrally made and two ends of top face of the outer tube are respectively formed with two notches. The top face of the inner tube is formed with an arch channel. The locating cord is disposed with multiple ball members at equal intervals. The engaging body is U-shaped. The top face of the engaging body is disposed with two concaves, while the bottom face thereof is formed with a central circular dent. One end of the control linking lever is connected with a control body, while the other end thereof is connected with a depression body. Two ends of the control body are disposed with two abutting legs. A rectangular hole is formed between the two abutting legs. Each of the two cover bodies has a small dimension insertion section. The inner side of each cover body is disposed with a first receiving chamber for the engaging body, a passage for the locating cord and a second receiving chamber for the control body.

## Claims

### Claim 1

A locating structure for luggage pull rod, comprising a rectangular outer tube, a rectangular inner tube, a locating cord, an engaging body, a small spring, a large spring, a control linking lever, two opposite cover bodies and two sealing caps, the locating cord being disposed with multiple ball members at equally spaced intervals, the engaging body being U-shaped, one end of the control linking lever being connected with a control body, while the other end thereof being connected with a depression body, two ends of the control body being disposed with two abutting legs, a rectangular hole being formed between the two abutting legs, said locating structure being characterized in that:
two ends of top face of the outer tube are respectively formed with two notches;
a top face of the inner tube is formed with an arch channel;
a top face of the engaging body is disposed with two concaves, while a bottom face thereof is formed with a central circular dent;
each of the two cover bodies has a small dimension insertion section, an inner side of each cover body being disposed with a first receiving chamber for the engaging body, a passage for the locating cord and a second receiving chamber for the control body; and
when assembled, the small spring is fitted in the circular dent of the engaging body and the engaging body together with the small spring is fitted in the first receiving chamber of one of the cover bodies with the small spring passing through the rectangular hole of the control body to abut against a lateral wall of the second receiving chamber of the cover body and the large spring is fitted between an end face of the control body and a lower end of the second receiving chamber of the cover body, in normal state, the engaging body being slopped by the two abutting legs of the control body from compressing the small spring, one end section of the locating cord being placed in the passage of the cover body with two of the ball members of the end section engaged in the concaves of the engaging body, then the two opposite cover bodies being associated with each other with their insertion sections inserted into one end of the inner tube, the locating cord being received in the arch channel of the inner tube and the control linking lever being fitted into the inner tube, then the inner tube as well as the two opposite cover bodies being fitted into the outer tube with two ends of the locating cord inserted into the notches of the outer tube, then the two sealing caps being respectively fitted into the two ends of the outer tube so as to restrict the locating cord from displacing.