METHOD AND APPARATUS FOR CONTROLING OF LENGTH OF BARBELL BAR

A length-adjustable barbell bar and a method for controlling the length of a barbell bar are provided. The barbell bar comprises a pipe coupled with one or more weights; a direct current (DC) motor operating in accordance with a control signal; a length adjusting part adjusting the length of the pip...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	SIN, JUNG HUN, LEE, JANG HYEON, MOON, SAN GOOK, SONG, TAE YANG, DO, JAE SUN
Format:	Patent
Sprache:	eng ; kor
Schlagworte:	AMUSEMENTS APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING,CLIMBING, OR FENCING BALL GAMES GAMES HUMAN NECESSITIES SPORTS TRAINING EQUIPMENT
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