US 12,324,952 B2
Treadmill with vertically displaceable platform
Jeffrey A. Beyer, Portland, OR (US); Stacy E. Stamm, Beaverton, OR (US); Jay T. Worobets, Portland, OR (US); Brian R. Brothers, Lake Orion, MI (US); Andrew James Lewis, Royal Oak, MI (US); Thomas J. Sawarynski, Jr., Troy, MI (US); and Edward F. Wettlaufer, Jr., St. Clair Shores, MI (US)
Assigned to NIKE, Inc., Beaverton, OR (US)
Filed by NIKE, Inc., Beaverton, OR (US)
Filed on Apr. 25, 2023, as Appl. No. 18/138,932.
Application 17/153,647 is a division of application No. 15/991,499, filed on May 29, 2018, granted, now 10,918,904, issued on Feb. 16, 2021.
Application 18/138,932 is a continuation of application No. 17/153,647, filed on Jan. 20, 2021, granted, now 11,666,799.
Claims priority of provisional application 62/512,770, filed on May 31, 2017.
Claims priority of provisional application 62/512,769, filed on May 31, 2017.
Prior Publication US 2023/0256292 A1, Aug. 17, 2023
Int. Cl. A63B 22/02 (2006.01); A63B 22/00 (2006.01); A63B 24/00 (2006.01); F16F 9/32 (2006.01)
CPC A63B 22/0228 (2015.10) [A63B 22/0023 (2013.01); A63B 22/0235 (2013.01); A63B 24/0087 (2013.01); F16F 9/3228 (2013.01)] 13 Claims
OG exemplary drawing
 
1. A displacement apparatus for a treadmill, comprising:
a base;
a platform;
an actuator coupled between the base and the platform;
wherein the actuator is configured to rebound the platform upward with a force applied in response to a control signal indicating a decrease in a load applied to the platform; and
a resistance/rebound mechanism,
wherein the actuator comprises one of a plurality of actuators of the resistance/rebound mechanism, each of the plurality of actuators being coupled between the base and the platform.