US 12,220,608 B2
Dumbbell attachment apparatus with two-handed grip configuration
Erik Smith, San Francisco, CA (US)
Filed by Erik Smith, San Francisco, CA (US)
Filed on Oct. 7, 2022, as Appl. No. 17/961,681.
Prior Publication US 2024/0115900 A1, Apr. 11, 2024
Int. Cl. A63B 21/072 (2006.01); A63B 21/00 (2006.01)
CPC A63B 21/0724 (2013.01) [A63B 21/0004 (2013.01); A63B 21/0726 (2013.01)] 12 Claims
OG exemplary drawing
 
1. A dumbbell or barbell attachment device to enable two-handed exercises, comprising:
a first bar comprising a first grip area, wherein the first bar is comprised of cast iron, steel, aluminum, brass, ceramic, carbon fiber, or plastic;
a second bar comprising a second grip area, wherein the second bar is comprised of cast iron, steel, aluminum, brass, ceramic, carbon fiber, or plastic;
a third bar comprising a third grip area, wherein the second bar is comprised of cast iron, steel, aluminum, brass, ceramic, carbon fiber, or plastic; and
a fourth bar comprising a fourth grip area, wherein the second bar is comprised of cast iron, steel, aluminum, brass, ceramic, carbon fiber, or plastic,
wherein the first bar, the second bar, the third bar, and the fourth bar are attached to a central housing, and wherein the central housing is comprised of cast iron, steel, aluminum, brass, ceramic, carbon fiber, or plastic;
wherein the first bar and the second bar are of equal size and equal shape, wherein the first bar and the second bar are cylindrical, and wherein the first bar and second bar are arranged in a configuration parallel to each other;
wherein the third bar and the fourth bar are each in a curl bar shape or configuration; and
wherein the central housing comprises: a first U-channel, the first U-channel comprising a first support member sized and shaped to accommodate a weightlifting bar having a first diameter within a first range of diameters; and a first clamp lid comprising an upper notch and tooth mechanism and a lower notch and tooth mechanism.