US 11,944,865 B2
Constant tension mechanism of training machine
Chung-I Chen, Taichung (TW)
Assigned to WELLGO PEDAL'S CORP., Taichung (TW)
Filed by WELLGO PEDAL'S CORP., Taichung (TW)
Filed on Jul. 20, 2021, as Appl. No. 17/380,394.
Claims priority of application No. 109209443 (TW), filed on Jul. 23, 2020.
Prior Publication US 2022/0023712 A1, Jan. 27, 2022
Int. Cl. A63B 22/06 (2006.01); A63B 21/00 (2006.01)
CPC A63B 22/0605 (2013.01) [A63B 21/15 (2013.01)] 9 Claims
OG exemplary drawing
 
1. A constant tension mechanism of a training machine, including:
a base, configured to be connected to a body of the training machine;
an elastic member, abutted against the base; and
a tension mechanism, including a movable member movably connected with the base and abutted against the elastic member, and at least one tension pulley rotatably disposed on the movable member and configured to urge a belt connected to the body;
wherein relative to the base a direction in which the elastic member forces the movable member and a direction in which the at least one tension pulley moves point toward the same direction;
wherein the movable member includes a rod member movably inserted to the base and a bracket connected with the rod member, the at least one tension pulley is rotatably connected to the bracket, and the elastic member is abutted against the bracket;
wherein the base includes two side walls and a tubular member disposed between the two side walls, the rod member is movably inserted within the tubular member, and the elastic member is disposed around the rod member.