Demonstrating device for overweight and weightlessness

• Main Authors: WU LINTAO, YANG QIUYUE, HUANG RONGJI, WEN JIANMING, CAO PIXIAN, CHEN JING, HU YAN
• Format: Patent
• Language: Chinese; English
• Published: 19.06.2013
• Subjects: ADVERTISING; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND,DEAF OR MUTE; CRYPTOGRAPHY; DIAGRAMS; DISPLAY; EDUCATION; EDUCATIONAL OR DEMONSTRATION APPLIANCES; GLOBES; PHYSICS; PLANETARIA; SEALS

The utility model relates to a demonstrating device for overweight and weightlessness. The demonstrating device for overweight and weightlessness includes a tension meter and a weight. The demonstrating device for overweight and weightlessness also includes three fixed pulleys and a support. The first fixed pulley is installed on the upper end of the front side edge of the support. The second fixed pulley is installed on the bottom part inside the support. The third fixed pulley is installed on the rear side of the support between the first fixed pulley and the second fixed pulley. A cable connected with the weight is coiled on the upper end of the third fixed pulley. The cable extends downward and is connected with a rotary shaft of a movable pulley. A pull string is coiled on the upper end of the movable pulley. The end of the pull string that is close to the weight is fixed on the bottom of the support. The end of the pull string that is far from the weight is suspended on the front side edge of the suppor