US 11,730,999 B2
Exercise machine enhancements
Dana Robert Nicholson, Lafayette, CA (US); Mark Peter McNally, San Francisco, CA (US); David Mallard, Mill Valley, CA (US); and David Jonathan Zimmer, Exeter, CA (US)
Assigned to Tonal Systems, Inc., San Francisco, CA (US)
Filed by Tonal Systems, Inc., San Francisco, CA (US)
Filed on Jan. 26, 2022, as Appl. No. 17/585,218.
Application 17/585,218 is a continuation of application No. 16/896,084, filed on Jun. 8, 2020, granted, now 11,285,355.
Prior Publication US 2022/0143454 A1, May 12, 2022
This patent is subject to a terminal disclaimer.
Int. Cl. A63B 21/00 (2006.01); A63B 21/005 (2006.01); A63B 21/22 (2006.01)
CPC A63B 21/15 (2013.01) [A63B 21/005 (2013.01); A63B 21/22 (2013.01); A63B 21/157 (2013.01); A63B 2220/833 (2013.01)] 20 Claims
OG exemplary drawing
 
1. An exercise machine, comprising:
a central unit having a gear; and
an arm, wherein the arm includes:
a female member that engages the gear at a proximal end of the arm, wherein advancing the female member along the gear enables rotation of the arm about an axis of freedom, and wherein the female member engages the gear to maintain the arm at a fixed angle; and
a locking mechanism that prevents the female member from disengaging from the gear.