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Elastic cord and pull exerciser having the same

a technology of elastic cord and pull exerciser, which is applied in the field of elastic cord, can solve the problems of troublesome assembly procedures of the sleeve b>32/b>

Inactive Publication Date: 2007-09-06
WU YING CHING
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

[0006] In accordance with a first aspect of the present invention, a pull exerciser comprises at least one attachment device, at least one positioning device coupled to the at least one attachment device, and at least one elastic cord. The attachment device includes a handle. The positioning device includes at least one positioning hole. At least one of two ends of the elastic cord is hollow and engaged in the positioning hole. The end of the elastic cord includes an inner section and a turnback section surrounding the inner section. The end of the elastic cord and a distal end portion of the turnback section are engaged in the positioning hole. A stop is mounted in the end of the elastic cord and securely held by the inner section and the turnback section. The stop has an outer diameter larger than a diameter of the positioning hole.

Problems solved by technology

However, the assembling procedures for the sleeve 32 are troublesome.

Method used

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  • Elastic cord and pull exerciser having the same
  • Elastic cord and pull exerciser having the same
  • Elastic cord and pull exerciser having the same

Examples

Experimental program
Comparison scheme
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Embodiment Construction

[0019]FIG. 3 is a perspective view of a pull exerciser in accordance with the present invention. FIG. 4 is a sectional view of a portion of the pull exerciser in FIG. 3.

[0020] In this embodiment, the pull exerciser comprises two positioning devices 5, two attachment devices 6, and at least one elastic cord 71 (three in this example). Each attachment device 6 comprises a handle 62 and a length-adjustable belt 61 extending through the handle 62.

[0021] Each positioning device 5 is coupled with an associated attachment device 6 in a position opposite an associated handle 62. Each positioning device 5 includes two positioning plates 51 each having at least one positioning hole 511 (three in this example). Each positioning hole 511 is in communication with outside via a reduced opening 512. An example of the positioning device 5 is disclosed in Applicant's U.S. Pat. No. 6,676,576, the entire contents of which are incorporated herein by reference.

[0022] Each elastic cord 71 is substanti...

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PUM

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Abstract

A pull exerciser includes at least one attachment device, at least one positioning device coupled to the at least one attachment device, and at least one elastic cord. The positioning device includes at least one positioning hole. At least one of two ends of the elastic cord is hollow and engaged in the positioning hole. The end of the elastic cord includes an inner section and a turnback section surrounding the inner section. The end of the elastic cord and a distal end portion of the turnback section are engaged in the positioning hole. A stop is mounted in the end of the elastic cord and securely held by the inner section and the turnback section. The stop has an outer diameter larger than a diameter of the positioning hole.

Description

BACKGROUND OF THE INVENTION [0001] 1. Field of the Invention [0002] The present invention relates to an elastic cord. The present invention also relates to a pull exerciser having such an elastic cord. [0003] 2. Description of the Related Art [0004]FIG. 1 of the drawings illustrates a conventional pull exerciser. FIG. 2 is a sectional view of a portion of the conventional pull exerciser. The pull exerciser comprises two handles 1, a belt 2 extending through each handle 1, and an elastic cord 3. A positioning device 4 is provided to fix two ends of each belt 2 together. Each of two ends 30 of the elastic cord 3 is fixed to an associated positioning device 4. More specifically, each positioning device 4 includes a positioning member 41 having a positioning hole 411 through which an associated end 30 of the elastic cord 3 extends. As illustrated in FIG. 2, a stop 31 is inserted into each end 30 of the elastic cord 3, and a sleeve 32 is mounted around the end 30 of the elastic cord 3 an...

Claims

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Application Information

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Patent Type & Authority Applications(United States)
IPC IPC(8): A63B21/02
CPCA63B21/0004A63B21/00043A63B21/00065A63B21/00069A63B21/1434A63B21/0552A63B21/0555A63B21/0557A63B21/0428A63B21/4017
Inventor WU, YING-CHING
Owner WU YING CHING
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