US 11,745,045 B2
Weight adjustable exercise device
Lopin Wang, Taichung (TW)
Assigned to BETO ENGINEERING AND MARKETING CO., LTD., Taichung (TW)
Filed by BETO ENGINEERING AND MARKETING CO., LTD., Taichung (TW)
Filed on Sep. 17, 2021, as Appl. No. 17/478,171.
Claims priority of application No. 109133133 (TW), filed on Sep. 24, 2020.
Prior Publication US 2022/0088432 A1, Mar. 24, 2022
Int. Cl. A63B 21/075 (2006.01); A63B 21/072 (2006.01)
CPC A63B 21/075 (2013.01) [A63B 21/0726 (2013.01); A63B 21/0728 (2013.01)] 10 Claims
OG exemplary drawing
 
1. A weight adjustable exercise device comprising:
a base unit;
a magnetically attractive unit including two magnetically attractive members which are disposed on said base unit and spaced apart from each other;
a weight unit including two weight sets which are supported by said base unit and spaced apart from each other in the left-right direction, each of said weight sets having a plurality of weights which are supported on said base unit to be held upright and spaced apart from each other in a left-right direction; and
a handle unit including a handle shaft which extends in the left-right direction to have two opposite end portions, two anti-rotation modules which are respectively and non-rotatably sleeved around said opposite end portions of said handle shaft and which are insertable downwardly in and supported on said base unit, two weight adjusting modules which are respectively mounted on said anti-rotation modules, and two indexing discs which are respectively and rotatably mounted on said weight adjusting modules, each of said weight adjusting modules having a plurality of selector assemblies which are securely sleeved on said handle shaft and respectively aligned with corresponding ones of said plurality of weights of said weight sets, said plurality of selector assemblies of each of said weight adjusting modules and a corresponding one of said indexing discs being rotatable synchronously such that each of said plurality of selector assemblies selectively engages or is disengaged from the corresponding one of said plurality of weights, each of said anti-rotation modules having a mounting seat which is insertable downwardly in said base unit and a magnet member which is movably mounted on said mounting seat to be removably engaged with the corresponding one of said indexing discs, said magnet member being movable by a magnetically attractive force of a corresponding one of said magnetically attractive members to be disengaged from the corresponding one of said indexing discs when said mounting seat is inserted downwardly in said base unit.