Door body mechanism for extension door

Door body mechanism for extension door

  • CN 2,402,789 Y
  • Filed: 11/27/1999
  • Issued: 10/25/2000
  • Est. Priority Date: 11/27/1999
  • Status: Active Grant
First Claim
Patent Images

1. a retractable door body mechanism comprises one group of door sheet and links with each sheet and can drive the integrated type expansion bracket that each sheet is superimposed or separate, and it is characterized in that:

  • the door sheet is an annular solid, and the front and back sidepiece of this annular solid parallels.

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