US 12,324,948 B2
Exercise device
Kevin Gene Abelbeck, Fort Collins, CO (US)
Assigned to BLUE GOJI LLC, Austin, TX (US)
Filed by Blue Goji LLC, Austin, TX (US)
Filed on Apr. 11, 2023, as Appl. No. 18/299,017.
Application 18/299,017 is a division of application No. 17/405,347, filed on Aug. 18, 2021, granted, now 11,623,117, issued on Apr. 11, 2023.
Application 17/405,347 is a division of application No. 15/609,910, filed on May 31, 2017, granted, now 11,123,598.
Claims priority of provisional application 62/358,517, filed on Jul. 5, 2016.
Prior Publication US 2023/0310926 A1, Oct. 5, 2023
Int. Cl. A63B 22/00 (2006.01); A63B 21/00 (2006.01); A63B 21/015 (2006.01); A63B 21/22 (2006.01); A63B 22/06 (2006.01); A63B 23/04 (2006.01); A63B 24/00 (2006.01)
CPC A63B 22/001 (2013.01) [A63B 21/015 (2013.01); A63B 21/154 (2013.01); A63B 21/225 (2013.01); A63B 21/4033 (2015.10); A63B 21/4034 (2015.10); A63B 21/4035 (2015.10); A63B 22/0056 (2013.01); A63B 22/0664 (2013.01); A63B 23/0423 (2013.01); A63B 24/0087 (2013.01); A63B 21/151 (2013.01); A63B 2022/0051 (2013.01); A63B 2022/0676 (2013.01); A63B 2022/0688 (2013.01)] 3 Claims
OG exemplary drawing
 
1. An exercise device comprising:
a frame;
a first and a second crank system mounted opposing sides of the frame adapted for positioning a user therebetween, each of the first and second crank system comprising a first crank assembly rotatable about a first axis and a second crank assembly rotatable about a second axis with the first and second axes each being displaced from the other, each of the first crank assemblies comprising a first crank arm, and each of the second crank assemblies comprising a second crank arm;
a pair of synchronous control system assemblies, one mechanically coupled to the first crank system and the other mechanically coupled to the second crank system, each synchronous control system assembly of the pair of synchronous control system assemblies being mechanically coupled to the first and second crank assemblies of the corresponding crank system in a configuration that allows for 360 degrees of synchronous rotation of the first and second crank assemblies, wherein each first crank arm of each first crank assembly rotates in the same direction as the second crank arm of each second crank assembly by the corresponding synchronous control system assembly of the pair of synchronous control system assemblies;
a pair of pedal arms, one coupled to the first crank system and the other coupled to the second crank system, each of the pair of pedal arms being pivotally coupled at a first end to the first crank arm of the first crank assembly and being pivotally coupled at a second end to a pedal;
a pair of movable crank links, one corresponding to each of the first and second crank systems, each of the pair of movable crank links comprising:
a first link having a first attachment point located proximal to a first end of the first link,
a second link having a second attachment point located proximal to a first end of the second link,
a pivoting attachment,
a first spring, and
a second spring,
wherein the first link is pivotally coupled to the second link with the pivoting attachment positioned at a medial location of both links such that a second end of each link extends past the pivoting attachment, and
wherein the first spring is an attachment between the second ends of the first and second links and the second spring is attached between the second end of one link and a location between the pivoting attachment and the corresponding attachment point of the other link to provide controlled flexibility during operation, wherein the first attachment point is pivotally coupled to the pedal arm of its corresponding crank system and the second attachment point is pivotally coupled to the second crank arm of its corresponding second crank assembly.