US 12,296,217 B2
Dual action weightlifting machine with selectorized resistance
Jeffrey O. Meredith, Del Mar, CA (US)
Assigned to HOIST FITNESS SYSTEMS, INC., Poway, CA (US)
Filed by HOIST FITNESS SYSTEMS, INC., Poway, CA (US)
Filed on Jul. 27, 2023, as Appl. No. 18/226,964.
Claims priority of provisional application 63/395,112, filed on Aug. 4, 2022.
Prior Publication US 2024/0042262 A1, Feb. 8, 2024
Int. Cl. A63B 21/062 (2006.01); A63B 21/00 (2006.01); A63B 23/035 (2006.01); A63B 23/12 (2006.01)
CPC A63B 21/0628 (2015.10) [A63B 21/156 (2013.01); A63B 21/4035 (2015.10); A63B 21/4045 (2015.10); A63B 23/03525 (2013.01); A63B 23/1218 (2013.01)] 16 Claims
OG exemplary drawing
 
1. An exercise machine, comprising:
a frame;
a pair of weight stacks connected to opposite sides of the frame;
a pair of vertically moveable pulley carriages connected to front portions of the frame;
a lifting bar assembly connected to a rear portion of the frame, the lifting bar assembly comprising:
a lifting bar,
a vertically moveable bar mount supporting each end of the lifting bar, and
a vertically moveable locking mechanism for setting a bottom height for each of the vertically moveable bar mounts;
a pair of arm cables, wherein each of the pair of arm cables is connected to a respective one of the pair of vertically moveable pulley carriages and passes around a first series of pulleys such that the pair of weight stacks are respectively lifted when the pair of arm cables are pulled by a user through the pair of vertically moveable pulley carriages; and
a pair of lifting bar cables, wherein each of the pair of lifting bar cables is connected to a respective one of the vertically moveable bar mounts and passes around a second series of pulleys such that the pair of weight stacks are respectively lifted when the lifting bar is raised by the user.