Weight-driven automatic swinging baby cradle

Application Number: 00108819
Application Date: 2000.05.10
Publication Number: 1322508
Publication Date: 2001.11.21
Priority Information:
International: A47D9/02
Applicant(s) Name: Wang Changrui
Inventor(s) Name: Wang Changrui
Patent Agency Code: 00000
Patent Agent:
Abstract The present invention relates to machine manufacture and the baby cradle operating based on pendulum clock principle can swing automatically in relatively stable swining frequency and amplitude. The sample baby cradle has weight weighing 3.3 Kg and elevated by 1.12 m, distance between the bottom side and the suspending axle of 1.1m, swinging duration of 25 min, swinging frequency of 0.5 Hz, swinging amplitude of minus or plus 15 cm and maximum swinging weight of 14 Kg. The weight mass, the elevated height and the gear ratio may be further regulated to increase the swinging duration.