Patent ID: 7637853

Claim:
A conditioning and exercising device comprising: a spool housing having a removable housing plate; a removable set of spools having a first spool configured for rotation in said spool housing, a second spool configured for rotation in said spool housing and a torsion spring wound on said second spool and directly coupled to said first spool; a rewind housing removably attached to said spool housing immediately adjacent and directly to said removable housing plate and configured to house a pulley therein; a pull cord having a free end extending through said rewind housing, said pull cord wound on said pulley and configured to rotate said first spool and said pulley in concert, wherein extension of said pull cord from said pulley rotates said first spool and said second spool against the bias of said torsion spring as said torsion spring unwinds from said second spool and reverse-winds on said first spool and applies tension to said pull cord; the rewind housing comprises a split rewind housing, the split rewind housing comprises: an outside housing member; and an inside housing member connected by spaced-apart rewind housing mount bolts to said outside housing member; the split rewind housing further comprises: a rocker arm coupled to the outside housing member, the rocker arm being fitted with a rocker arm slot at one end and having a rocker arm pivot that extends between a pair of rocker arm mounts on the outside housing member; the outside housing member comprises a pin opening; the inside housing member comprises a pin opening; and the spool housing comprises a pin lock opening; and further comprising a stabilizing pin configured to be seated in the rocker arm slot when the stabilizing pin is inserted in the pin opening of the outside housing member, the pin opening in the inside housing member and the pin lock opening in the spool housing; and the split rewind housing is configured to be removed by depressing the rocker arm and lifting the stabilizing pin from the pin lock opening.