Patent ID: 9320936
Filing Date: 2016-04-26
CPC Classification: A63B

Claim Text:
1. A selectively adjustable, portable exercise system comprising: a first resistance mechanism comprising a rotatable spool, a cord wrapped around the rotatable spool, a handle secured to the cord, and a resistance stack; a plurality of keys wherein each key of the plurality of keys has a rod portion with an engagement pattern longitudinally spaced therealong the rod portion, and wherein the engagement pattern of each key has a spool engagement pattern and a resistance pack engagement pattern, the spool engagement pattern for engaging the engagement pattern of the rotatable spool to lock the rotatable spool relative to the key and the resistance pack engagement pattern for engaging the engagement pattern of one or more resistance packs of the plurality of resistance packs to lock the one or more resistance packs relative to the key and the rotatable spool, and wherein the resistance pack engagement patterns of at least some keys of the plurality of keys vary to lock different combinations of the one or more resistance packs relative to the key and the rotatable spool.