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Support device for a child vehicle safety seat

  • US 7,441,733 B2
  • Filed: 06/04/2007
  • Issued: 10/28/2008
  • Est. Priority Date: 08/02/2006
  • Status: Active Grant
First Claim
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1. A support device for a child vehicle safety seat, said support device comprising:

  • a positioning tube having a first tube portion adapted to be connected to the child vehicle safety seat, and a second tube portion opposite to said first tube portion, said positioning tube being formed with a plurality of positioning hole units spaced apart from each other along a tube axis, each of said positioning hole units including a pair of positioning holes that are disposed at diametrically opposite positions relative to the tube axis;

    a support tube sleeved telescopically on said second tube portion of said positioning tube and formed with a pair of through holes that are disposed at diametrically opposite positions relative to the tube axis;

    a support base sleeved on said support tube, and having a mounting seat disposed at a horizontal level corresponding to said through holes in said support tube; and

    a seat height adjusting unit includingan actuator mounted movably in said mounting seat and having a pair of extending arms respectively disposed at opposite lateral sides of said support tube, and a pair of protruding members each disposed at a respective one of said extending arms, said protruding members being extendible into said through holes and said positioning holes of a registered one of said positioning hole units to retain said positioning tube at a desired extended length relative to said support tube, anda spring member disposed in said mounting seat for applying a biasing force to said actuator.

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