A ball rebound device
作者： Joachim Christgau , Nikolai Thomassen
DOI:
关键词: Mechanics 、 Structural engineering 、 Ball impact 、 Ball (mathematics) 、 Materials science
摘要: A ball rebound device (1) for games comprising: a frame structure (2), sheet (5) being detachably attached to the front of (2) and adjusting means (6) connected able move part whereby tension can increase or decrease. By stretching (5), it is possible force by impact. Similarly, be decreased when slackened.
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