发明名称 |
Toy projectile launching device |
摘要 |
A toy projectile launching device for launching toy projectiles includes a spring shaped as a hollow hemisphere that is capable of being at least partially inverted from a primary normally convex position to a secondary at least partially inverted loaded position. Upon release, the spring snaps back to the primary position, thereby launching the toy projectile.
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申请公布号 |
US2008078366(A1) |
申请公布日期 |
2008.04.03 |
申请号 |
US20070702234 |
申请日期 |
2007.02.05 |
申请人 |
MASS INSTITUTE OF TECHNOLOGY |
发明人 |
FIENUP WILLIAM JAMES;KUDROWITZ BARRY;WALLACE DAVID |
分类号 |
F41B7/00 |
主分类号 |
F41B7/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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