| GRAY MATTER (ALPHA) LIMITED Patent applications |
| Patent application number | Title | Published |
|---|
| 20100005620 | TWIN CASTOR WITH COMMON WHEEL MOVEMENT - A method and apparatus are disclosed for providing a castor for a shopping cart. The apparatus includes a first wheel member and a second wheel member arranged in a side-by-side configuration on either side of a central wheel housing, each of the first and second wheel members is arranged to rotate about a common axis. The apparatus also includes an elongate sleeve member extending through the housing and connecting the first and second wheels together whereby the wheels rotate together. | 01-14-2010 |
| 20090231095 | LATCHING MECHANISM - A method and apparatus are disclosed for retarding rotation of at least one wheel. The apparatus includes at least one braking member, a latch member secured to the braking member and movable between a first position and a second position and a latch actuating member arranged to determine the position in which said latch member is positioned. The braking member is movable into a braking position in which rotation of the at least one wheel is retarded when the latch member is in the second position. | 09-17-2009 |
