Locking device of folding joint

Locking device of folding joint

  • CN 2,937,697 Y
  • Filed: 05/17/2006
  • Issued: 08/22/2007
  • Est. Priority Date: 05/17/2006
  • Status: Active Grant
First Claim
Patent Images

1. the locking device of a folding joint, have two can be folded the connecting plate (2) that rod member (1) fixes, two connecting plates (2) are hinged in a side, the opposite side of two connecting plates is distinguished a hinged connecting rod (3), (4) separately, the other end of two connecting rods (3), (4) is hinged, it is characterized in that:

  • the length c of one of them connecting rod (3) is greater than the length a of another connecting rod, two connecting plates (2) are when closing up state, hinge center P 2, the distance between the P3 of two connecting plates and connecting rod (3), (4) are b, wherein a+b 〉

    =c.

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