发明名称 Training device for cross-country skiers and ice skaters
摘要 An apparatus for training cross-country skiers and ice skaters has a frame having a center support and two bars, the rear ends of which are connected to said frame in such a manner as to be pivotable about vertical axes. The center support and the bars have respective standing surfaces with threaded bores of the attachment of cross-country ski bindings. The bars are held together by at least one spring and support rollers on their forward ends which rotate about horizontal axes. The hip muscles, thigh extensors and gluteal muscles can be exercised with this apparatus.
申请公布号 US4795146(A) 申请公布日期 1989.01.03
申请号 US19870053628 申请日期 1987.05.26
申请人 DONNERSTAG, HEINZ;KREUZER, HANS-UELI 发明人 DONNERSTAG, HEINZ;KREUZER, HANS-UELI
分类号 A63B69/18;A63B23/04;A63B69/00;(IPC1-7):A63B69/18;A63B21/02 主分类号 A63B69/18
代理机构 代理人
主权项
地址