Rubber chi

Rubber chi

  • CN 204,438,942 U
  • Filed: 10/12/2013
  • Issued: 07/01/2015
  • Est. Priority Date: 10/12/2013
  • Status: Active Grant
First Claim
Patent Images

1. rubber chi, comprises rubber (1), it is characterized in that:

  • described rubber (1) inside is provided with the rectangular inner cavity (3) of hollow, and rectangular inner cavity (3) is in communication with the outside by the plate passage (4) be arranged in rubber;

    The central axis of described rectangular inner cavity (3) is arranged a locating shaft (5), on the upper surface that the two ends of locating shaft (5) are fixedly connected on rubber rectangular inner cavity (3) respectively and lower surface, locating shaft (5) is set with the turnbarrel (6) of hollow, the outer wall of described turnbarrel (6) is wound around a tape measure (2);

    One end of tape measure (2) is fixedly pasted on turnbarrel (6), and the other end stretches out outside rubber through plate passage (4);

    The torsion spring (7) for the tape measure that resets (2) is provided with between described turnbarrel (6) and locating shaft (5).

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