Football practice blocking and tackling reaction machine

作者: Ronald S. Bowen

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摘要: A reaction machine for football practice or the like. An upright is provided supported from its lower portion by a base. beam pivotally mounted with pivotable horizontally around and vertically. dummy support arm vertically on one end of mounting tackle brake assembly between holding in fixed horizontal position. shock absorber also absorbing player hitting dummy. The are latch structure raised position releasing to lowered

参考文章(3)
James Rufus Trice, Powered football blocking machine ,(1965)
James F Carberry, Mechanical football dummy ,(1939)