Folding chair

  • US 6,547,321 B2
  • Filed: 07/17/2001
  • Issued: 04/15/2003
  • Est. Priority Date: 07/17/2001
  • Status: Expired due to Fees
First Claim
Patent Images

1. A folding chair comprising:

  • a seat, a first leg mounted on a bottom of the seat, a second leg mounted on the bottom of the seat, a first rod connected to an upper end of the first leg and a lower end of the second leg, a second rod connected to a lower end of the first leg and an upper end of the second leg, and a folding device, the folding device having a first joint and a second joint coupled with the first joint, the first joint having an arcuate guide channel, a circular aperture, and a slant round hole for receiving the first rod, the second joint having a post inserted into and slidably mounted in the arcuate guide channel of the first joint, a hollow protruded block inserted into and rotatably mounted in the circular aperture of the first joint, a round through aperture, and a slant circular hole for receiving the second rod, a bolt passing through the round through aperture of the second joint and the circular aperture of the first joint, and a nut engaged with the bolt.

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