发明名称 Dry swim=training machine esp. for crawl stroke
摘要 A training apparatus for simulating crawl swimming movements in the dry has an endless traction member arranged above a user supporting element. The traction member is a hard elastic belt whose upper end may elastically bend in the direction of its lower end. The traction member is provided with handles positioned at a distance from each other sightly larger than the distance that separates a user's hand stretched forward in the longitudinal direction and a hand stretched backwards in the longitudinal direction. The inertia of the masses moved by the traction member and its deflecting rollers is higher than the friction and braking forces that act upon the traction member. This device allows crawl movements and force relationships to be realistically simulated.
申请公布号 DE4418795(A1) 申请公布日期 1995.11.30
申请号 DE19944418795 申请日期 1994.05.26
申请人 LABRENZ, HERMANN, DIPL.-PHYS., 10119 BERLIN, DE 发明人 LABRENZ, HERMANN, DIPL.-PHYS., 10119 BERLIN, DE
分类号 A63B69/10;(IPC1-7):A63B69/10;A63B22/10 主分类号 A63B69/10
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