US 12,145,017 B2
Methods, systems, and apparatuses for reciprocal muscle activation and release
Nirinjan Bikko, Orinda, CA (US)
Assigned to BreathCore, Inc., Orinda, CA (US)
Filed by BreathCore, Inc., Orinda, CA (US)
Filed on Dec. 5, 2022, as Appl. No. 18/075,404.
Claims priority of provisional application 63/285,895, filed on Dec. 3, 2021.
Prior Publication US 2023/0173320 A1, Jun. 8, 2023
Int. Cl. A63B 21/02 (2006.01); A63B 21/05 (2006.01); A63B 21/055 (2006.01); A63B 23/035 (2006.01); A63B 23/12 (2006.01)
CPC A63B 21/022 (2015.10) [A63B 21/023 (2013.01); A63B 21/05 (2013.01); A63B 21/055 (2013.01); A63B 23/03533 (2013.01); A63B 23/12 (2013.01)] 9 Claims
OG exemplary drawing
 
1. An apparatus for exercising comprising:
a housing;
a first inner tube;
a second inner tube;
a compression spring operable to resist motion when compressed, wherein the first inner tube is coupled with a first end of the compression spring and the second inner tube is coupled with a second end of the compression spring; and
an extension spring inside the housing, wherein a portion of the compression spring and a portion of each of the first and second inner tubes are inside the housing, wherein a first end of the extension spring is coupled with a first handle or loop and the second end of the extension spring is coupled with a second handle or loop, wherein the extension spring operable to provide resistance during pulling motion away from a center of the apparatus.