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US 6,386,943 B1Granted
Puppet legs movement mechanism
OwnerChao-Tsung Changinventor
Life of this patent
Estimating the term…
Abstract
A puppet mechanism for moving two legs of a puppet includes an output shaft rotatably extending from a gear box and engaged with a gear reduction device in the gear box. Two disks are respectively connected two ends of the output shaft and each disk has an eccentric protrusion extending therefrom. Two swing members are pivotally connected to two sides of the gear box and each swing member has a slot in which the eccentric protrusion is movably engaged. The swing members are inserted in the two legs of the puppet and are swung when the disks rotate.
Claims5
A puppet mechanism for moving two legs of a puppet, comprising:
- a gear box having a gear reduction device received therein and a motor connected to said gear reduction device, an output shaft rotatably extending from said gear box and engaged with said gear reduction device, two disks respectively connected to ends of said output shaft and each disk having a protrusion extending eccentrically therefrom, and
- two swing members each pivotally connected to said gear box at a mediate point thereof and a slot defined through a first end of each swing member, said two protrusions respectively engaged with said slots of said two swing members, a second end of each swing member connected to a first end of a spring and a second end of said spring connected to an extension rod, said second end of each swing member adapted to be connected to respective one of the two legs of the puppet.
Dependencies are inferred from the claim text.