US 11,666,799 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., West Bloomfield, 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 Jan. 20, 2021, as Appl. No. 17/153,647.
Application 17/153,647 is a division of application No. 15/991,499, filed on May 29, 2018, granted, now 10,918,904.
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 2021/0138298 A1, May 13, 2021
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)] 19 Claims
OG exemplary drawing
 
1. A treadmill, comprising:
a base;
a platform movably coupled to the base;
a drive roller rotatably coupled to the base;
a belt extending across the drive roller and the platform; and
a linear actuator coupled between the base and the platform, the linear actuator comprising a voice coil actuator, wherein the linear actuator is coupled to a piston.