US 11,857,067 B2
Connecting device having retractable rods
Jin Song, Jiujiang (CN)
Assigned to JIANGXI RASSON BILLIARD MANUFACTURING CO., LTD, Jiujiang (CN)
Filed by JIANGXI RASSON BILLIARD MANUFACTURING CO., LTD, Jiujiang (CN)
Filed on Apr. 30, 2021, as Appl. No. 17/244,974.
Claims priority of application No. 202110345521.0 (CN), filed on Mar. 31, 2021.
Prior Publication US 2022/0312950 A1, Oct. 6, 2022
Int. Cl. A47B 3/00 (2006.01); A47C 4/00 (2006.01); F16B 12/40 (2006.01)
CPC A47B 3/002 (2013.01) [A47C 4/00 (2013.01); F16B 12/40 (2013.01)] 8 Claims
OG exemplary drawing
 
1. A connecting device comprising:
a case (1);
a first rod (2), a second rod (3), and a third rod (4) that are connected to the case (1);
two first connecting members (5) configured to connect the second rod (3) and the third rod (4) to the case (1);
a second connecting member (6) configured to connect the first rod (2) to the case (1); and
a spring (8) arranged within the case (1) and arranged around the second connecting member (6);
wherein the case (1) comprises an upper housing (101) and a lower housing (102), the upper housing (101) and the lower housing (102) define a first receiving hole (10), a second receiving hole (11), and a third receiving hole (9), the second connecting member (6) and the two first connecting members (5) are received in the first receiving hole (10), the second receiving hole (11), and the third receiving hole (9), respectively, the lower housing (102) comprises two shafts (1022) that are located at opposite sides of the second connecting member (6), and two rotary tabs (7) that are movably connected to the two shafts (1022), the two rotary tabs (7) each comprise a first end that is movably connected to the second connecting member (6) and a second end, and the second ends are movably connected to the first connecting members (5), respectively.