发明名称 COLLAPSIBLE WEIGHT SYSTEM
摘要 A collapsible weight system provides a collapsible/expandable diaphragm for containing a liquid which includes a closed hub disclosed on one end thereof and an open hub disposed on another end thereof. A tubular cap is provided to seal the collapsible/expandable diaphragm while engaging both the closed hub and the open hub to provide axial support of the diaphragm. A pin locking system is provided in order to lock the tubular cap to a bar for lifting the weights. When the bar is engaged and locked with the cap, it extends therethrough providing additional strength and support for the collapsible/expandable diaphragm.
申请公布号 AU3748289(A) 申请公布日期 1990.01.05
申请号 AU19890037482 申请日期 1989.05.30
申请人 RICHARD JACKSON MCWAIN 发明人 RICHARD JACKSON MCWAIN
分类号 A63B21/06;A63B21/072 主分类号 A63B21/06
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