US 12,005,292 B1
Barbell adapter with linkage connectors
Alfred Sidney Smith, Jr., Sammamish, WA (US)
Filed by Alfred Sidney Smith, Jr., Sammamish, WA (US)
Filed on Sep. 12, 2022, as Appl. No. 17/943,017.
Claims priority of provisional application 63/242,923, filed on Sep. 10, 2021.
Int. Cl. A63B 21/072 (2006.01)
CPC A63B 21/0724 (2013.01) [A63B 21/0728 (2013.01)] 20 Claims
OG exemplary drawing
 
1. An adapter for use with a barbell having two or more weights mounted thereto, and for use with one or more linkages each having a first end and a second end, the adapter comprising:
a split collar having an aperture therethrough adapted to receive the barbell therewithin, the split collar including a first half having one half of the aperture on an inside surface and two ends each having a fastening aperture therethrough, the split collar including a second half having an opposing half of the aperture on an inside surface and two ends each having a threaded recess, the two halves when brought together around the barbell being tightened to the barbell with two threaded bolts that traverse the fastening apertures on each end of the first half to engage the threaded recesses of the second half, each half of the split collar having a threaded aperture traversing from an outside surface to the inside surface;
one or more connection bolts each having at a first end a threaded shaft adapted to engage the threaded aperture of one of the halves of the split collar, and at a second end a linkage connection adapted for connecting with either of the first end or the second end of one of the linkages;
whereby with the split collar fastened around the barbell, and with the linkage connection of the connection bolt connected with either the first end or the second end of the linkage, the barbell can be used for exercising with the linkage adding additional resistance to the exercises.