CPC A63B 21/227 (2013.01) [A63B 21/00061 (2013.01); A63B 21/153 (2013.01); A63B 21/16 (2013.01); A63B 21/4035 (2015.10)] | 18 Claims |
1. A physical training apparatus comprising:
a housing;
a flywheel mechanism accommodated in the housing, said flywheel mechanism including a spindle, at least one flywheel mounted on the spindle and bearings to support the spindle in the housing;
a windable pull element which is arranged to be wound up the spindle and unwound from the spindle;
a handgrip attached to the pull element;
wherein the spindle includes a spindle end portion, wherein the flywheel is exchangeably mounted on the spindle end portion against a stop located on the spindle, and wherein a fastening knob is releasably coupled to the spindle end portion and adapted to engage the flywheel and force the flywheel against the stop located on the spindle;
wherein the fastening knob includes an associated spring element which resiliently forces the flywheel against the stop.
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