| 摘要 |
<P>PROBLEM TO BE SOLVED: To facilitate the operation of an operation arm connection part for switching left and right operation arms to be linked/unlinked and to facilitate the other operations of the equipment in a switching type rowing machine. <P>SOLUTION: In the rowing machine (43), the operation arm connection part (1) is provided in the respective extension middle parts of the left and right operation arms (5a) and (5b) moved by an exercising person, and the operation arm part (1) is composed of a projection piece (27) projected on one operation arm (5) and a fitting member (28) provided on the other operation arm (5). By moving the fitting member (28), the fitting member (28) is turned to the state of being locked to the projection piece or the state of not being locked and simultaneously the left operation arm (5a) and the right operation arm (5b) are switched to a linked state or an independent operation state. <P>COPYRIGHT: (C)2007,JPO&INPIT |
