US 12,478,853 B2
Rotary dumbbell rack
Guangchao Liu, Ontario, CA (US)
Assigned to BANCORESY TECHNOLOGY (ZHEJIANG) CO., LTD, Ningbo (CN)
Filed by Qiduo E-Commerce (ZheJiang) Co., Ltd, Ningbo (CN)
Filed on Sep. 14, 2023, as Appl. No. 18/368,547.
Prior Publication US 2025/0090929 A1, Mar. 20, 2025
Int. Cl. A63B 21/072 (2006.01); A47F 5/02 (2006.01); A63B 71/00 (2006.01)
CPC A63B 71/0036 (2013.01) [A47F 5/02 (2013.01); A63B 21/0726 (2013.01)] 7 Claims
OG exemplary drawing
 
1. A rotary dumbbell rack, comprising a base, wherein a plurality of expansion bolts are provided on the base; a supporting shaft and a plurality of triangular supporting plates are provided on the center of the base; the triangular supporting plates are fixed on the surface of the supporting shaft to clamp and fix the supporting shaft on the base; bearings are provided at upper and lower ends of the supporting shaft; a rotating sleeve is sleeved outside each of the bearings; square connecting tubes are fixed on first and second opposing sides of each of the rotating sleeves; an outer cylinder is fixedly connected to the square connecting tubes by means of connecting plates and bolts; the outer cylinder and the supporting shaft are arranged in a concentric circle form; a plurality of dumbbell placement plates are provided on an outer side of the outer cylinder, every two of the dumbbell placement plates form a group, and the groups are arranged at equal intervals along the circumference; and a plurality of placement grooves are longitudinally formed in each of the dumbbell placement plates at equal intervals.