Device for changing the moving direction of a flat rectangular sheetlike product

摘要

PCT No. PCT/EP97/04336 Sec. 371 Date Jan. 13, 1999 Sec. 102(e) Date Jan. 13, 1999 PCT Filed Aug. 8, 1997 PCT Pub. No. WO98/06651 PCT Pub. Date Feb. 19, 1998A resistance device for use in an exercising apparatus having a plurality of resistance elements, a force transmission device and a resistance adjusting device. Through the force transmission device, a user can apply an exercise force to the resistance elements which in general provide a resisting force derived from atmospheric pressure. For adjusting the total resistance, the user may operate the resistance adjusting device to determine which resistance element(s) is(are) enabled to adjust the level of resisting force.