US 12,311,220 B2
Weight machine sensor system
Jeremy L. Fink, Anoka, MN (US); Nolan Orfield, Ann Arbor, MI (US); Jack Laven, Loveland, CO (US); and Andrew Muth, Ann Arbor, MI (US)
Assigned to ShapeLog, Inc., Ann Arbor, MI (US); and Life Fitness, LLC, Franklin Park, IL (US)
Filed by ShapeLog, Inc., Ann Arbor, MI (US); and Life Fitness, LLC, Franklin Park, IL (US)
Filed on Nov. 1, 2022, as Appl. No. 18/051,824.
Claims priority of provisional application 63/263,463, filed on Nov. 3, 2021.
Prior Publication US 2023/0139629 A1, May 4, 2023
Int. Cl. A63B 21/00 (2006.01); A63B 21/062 (2006.01); G01G 19/18 (2006.01)
CPC A63B 21/154 (2013.01) [A63B 21/0628 (2015.10); A63B 21/152 (2013.01); G01G 19/18 (2013.01); A63B 2220/833 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A weight machine sensor system for determining a weight setting of a weight machine having weight plates and incremental weights to be lifted during an exercise, the weight machine sensor system comprising:
a load sensing bolt configured to support a pulley of the weight machine and including a strain gauge for sensing force transferred from the weight plates and the incremental weights by the pulley to the load sensing bolt; and
a controller in communication with the load sensing bolt, wherein the controller determines a weight setting of the weight machine according to the load sensing bolt.