Patent ID: 7942476
Filing Date: 2011-05-17
Classification: A47C

Abstract:
1. A collapsible chair frame comprising: two rear legs; two front legs extending shorter than the rear legs; four caps each secured to a lower end of a related one of the legs; four sheaths each extended from a related one of the caps and used to continue to receive the related leg when the related cap is lowered beyond the related leg in a collapsed position of the collapsible chair frame; four lower rings each movably provided on a related one of the legs; two rear, upper rings each secured to a related one of the rear legs; two front, upper rings each movably provided on a related one of the front legs; four lateral rods each comprising a lower end pivotally connected to a related one of the lower rings and an upper end pivotally connected to a related one of the upper rings; two rear rods extending longer than the lateral rods, each of the rear rods comprising a lower end pivotally connected to a related one of the caps and an upper end pivotally connected to a related one of the rear, upper rings; and two front rods extending as long as the rear rods, each of the front rods comprising a lower end pivotally connected to a related one of the caps and an upper end pivotally connected to a related one of the front, upper rings.