US 11,833,390 B2
Controlled squat strength-training machine
Ernest Michael Mattox, Holt, MO (US)
Filed by Ernest Michael Mattox, Holt, MO (US)
Filed on Oct. 25, 2022, as Appl. No. 17/973,308.
Claims priority of provisional application 63/273,004, filed on Oct. 28, 2021.
Prior Publication US 2023/0136975 A1, May 4, 2023
Int. Cl. A63B 23/04 (2006.01); A63B 21/00 (2006.01); A63B 21/04 (2006.01); A63B 21/055 (2006.01); A63B 21/002 (2006.01)
CPC A63B 23/04 (2013.01) [A63B 21/002 (2013.01); A63B 21/0407 (2013.01); A63B 21/0557 (2013.01); A63B 21/154 (2013.01); A63B 21/4015 (2015.10); A63B 21/4035 (2015.10); A63B 21/4039 (2015.10); A63B 2023/0411 (2013.01); A63B 2230/01 (2013.01)] 14 Claims
OG exemplary drawing
 
1. A controlled squat strength-training machine comprising:
a frame including a base configured for placement on a support surface;
a first upright with a lower end fixedly connected to said base, said first upright extending upwardly from said base and terminating at a first upright upper end;
a second upright with an intermediate upright lower end pivotally connected to the base, said second upright extending upwardly from said base and terminating at an second upright upper end, said second upright configured for pivotal movement fore-and-aft relative to the base;
a third upright fixedly connected to said base and extending upwardly therefrom, said third upright terminating at a third upright upper end;
a traveler assembly vertically-slidably mounted on said first upright;
an upper pulley mounted on said first upright upper end;
a resistance band connected to said base and said traveler, said resistance band configured for stretching when the traveler moves upwardly on said first upright;
a grip bar mounted on said second upright upper end and configured for grasping by a user;
a knee pad assembly mounted on said second upright and configured for engagement by a user in proximity to the user's knees;
front and back lower pulleys rotatably mounted on said base;
a strap connected to said traveler, extending over said upper pulley, extending below said lower pulleys and terminating at a strap rear end;
a yoke assembly including: a chain connected to said strap rear end; and a yoke connected to the chain and configured for engaging a user behind his or her neck;
a seat assembly mounted on said third upright upper end; and
said machine configured for restraining a user's knees during a squat exercise starting with the user seated on the seat assembly with his or her knees engaging the knee pad assembly, the user stretching the resistance band through the standing portion of a squat exercise while his or her knees remain engaged with the knee pad assembly.