Patent ID: 6871379
Filing Date: 2005-03-29
Classification: B60B,F25D,Y10T

Abstract:
1. An apparatus for adjusting the height of an appliance comprising: (a) a top shelf; (b) at least one wheel having an axle; (c) a front adjustment bracket having a hole; (d) a rear adjustment bracket having a nut; (e) an adjustment bolt passing through the hole in the front adjustment bracket and threaded into the nut of the rear adjustment bracket; (f) an upper front support arm having an upper end and a lower end, with the upper end of the upper front support arm pivotably connected to the top shelf; (g) a lower front support arm having an upper end and a lower end, with the upper end of the lower front support arm pivotably connected to the lower end of the upper front support arm and to the front adjustment bracket; (h) an upper rear support arm having an upper end and a lower end, with the upper end of the upper rear support arm pivotably connected to the top shelf; and (i) a lower rear support arm having an upper end and a lower end, with the upper end of the lower rear support arm pivotably connected to the lower end of the upper rear support arm and to the rear adjustment bracket and with the lower end of the lower rear support arm pivotably connected to the axle and to the lower end of the lower front support arm; whereby turning the adjustment bolt alters the distance between the top shelf and the axle.