Patent ID: 6938951

Claim:
A foldable chair comprising: a first leg including left and right leg parts, each of which has first and second end portions and a pivot portion between said first and second end portions of a respective one of said left and right leg parts of said first leg; a second leg including left and right leg parts, each of which has first and second end portions and a pivot portion between said first and second end portions of a respective one of said left and right leg parts of said second leg, said pivot portion of each of said left and right leg parts of said second leg being coupled pivotally to said pivot portion of a respective one of said left and right leg parts of said first leg; a backrest including elongate left and right backrest parts, each of which has first and second end portions, said first end portion of each of said elongate left and right backrest parts being coupled pivotally to said second end portion of a respective one of said left and right leg parts of said second leg; a seat-supporting frame having first and second end portions, and an intermediate portion that interconnects said first and second end portions of said seat-supporting frame, each of said first and second end portions of said seat-supporting frame being coupled pivotally to said second end portion of a respective one of said left and right leg parts of said first leg, said intermediate portion of said seat-supporting frame being coupled pivotally to said second end portions of said elongate left and right backrest parts of said backrest; and first and second safety locks, each of which prevents accidental folding of said foldable chair, each of said first and second safety locks including a pair of lock parts that are coupled pivotally to each other; wherein one of said lock parts of said first safety lock is coupled pivotally to said left leg part of said first leg at a position between said second end portion and said pivot portion of said left leg part of said first leg, the other of said lock parts of said first safety lock being coupled pivotally to said second end portion of said left leg part of said second leg; and wherein one of said lock parts of said second safety lock is coupled pivotally to said right leg part of said first leg at a position between said second end portion and said pivot portion of said right leg part of said first leg, the other of said lock parts of said second safety lock being coupled pivotally to said second end portion of said right leg part of said second leg.