Quick Change Shock Mitigation Outsole Insert with Debris Shield

摘要

An article of footwear has a shock absorbing insert placed between the insole and the outsole thereof, for example at the heel. The insert includes a spring carrier having upper and lower portions, each having a plurality seats for receiving a respective ends of respective coil springs. Each of the springs extends between said upper and lower portions and is captured therebetween. A magnetic spring supplements the mechanical springs. The springs and carrier are protected from environmental elements and abrasive particles by a debris shield.

主权项

1. An article of footwear comprising
an outsole, an inner sole, and a shock absorbing insert disposed between the outsole and the inner sole, said insert comprising a spring carrier having upper and lower portions, each of said portions having a plurality seats for receiving a respective ends of respective mechanical compression springs, a like plurality of mechanical compression springs, each extending between said upper and lower portions and being captured therebetween, a single magnetic spring disposed between the mechanical compression springs, said magnetic spring comprising a pair of permanent magnets of opposed polarity, and a debris shield for containing said spring carrier and said springs, said debris shield being adapted to protect said springs from environmental elements and abrasive particles.