| 主权项 |
1. A roller assembly configured to be coupled to a walker, said assembly comprising:
a housing having a top end, a bottom end and a peripheral wall extending therebetween, said top end having a first well extending downwardly therein, said bottom end having a second well extending upwardly therein, said top end having a groove extending downwardly therein, said groove extending into said first well, said first well being configured to insertably receive a leg of a walker, said peripheral wall being convexly arcuate such that said housing has a spherical shape; a grip positioned within said first well, said grip being configured to engage the leg of the walker, said grip comprising a plurality of pads positioned within said first well, said pads being distributed around an entire perimeter of said first well; a lock coupled to said housing such that said housing is configured to releasably engage the leg when said lock is engaged; a roller coupled to said housing, said roller being configured to roll the walker along the support surface; and a plurality of spring biasing members each extending between a bounding surface of said first well and one of said pads, said spring biasing members biasing said pads inwardly from said bounding surface, said pads being configured to frictionally engage the leg of the walker. |
