Patent ID: 9635946
Date: 2017-05-02
CPC Classifications: A47C

Claim:
1. A chair footrest frame, comprising a base sliding block ( 1 ) fixed to both sides of a bottom face of a chair base, two sliding rods ( 2 ) arranged in a sliding manner respectively on the base sliding blocks ( 1 ), and a footrest cushion ( 7 ) provided between the two sliding rods ( 2 ), wherein a roller ball ( 12 ) suitable for the sliding of the sliding rods ( 2 ) is provided on the base sliding block ( 1 ); wherein a rotating central shaft ( 3 ) in rotational connection with the two sliding rods ( 2 ) is arranged between the two sliding rods ( 2 ), and the rotating central shaft ( 3 ) is provided with angle iron fixtures ( 4 ) for fixing the footrest cushion ( 7 ); and each sliding rod ( 2 ) is provided with a plastic sliding block ( 5 ); the plastic sliding block ( 5 ) is formed with openings ( 51 ) and sliding chutes ( 52 ) coaxial with the openings ( 51 ); two ends of the rotating central shaft ( 3 ) are respectively sleeved in corresponding openings ( 51 ); and the sliding chutes ( 52 ) are in sliding connection with locating pins ( 6 ) capable of resisting to two ends of the sliding chutes ( 52 ) and linking with the rotating central shaft ( 3 ).