Patent ID: 6729116
Filing Date: 2004-05-04
Classification: A01D

Abstract:
An apparatus for adjusting the height of a wheel in relation to a structure, the apparatus comprising:(a) a wheel rotatable about a vertical axis; (b) a frame member attached to the wheel for connecting the wheel to a structure, the frame member comprising an angled section disposed along an adjustment direction oriented at an angle relative to the vertical axis, the angled section comprising one or more recesses along the adjustment direction; (c) a hollow guide member attached to the structure, the guide member disposed at least partially around the angled section and having an interior oriented along the adjustment direction, the angled section being movable through the guide member along the adjustment direction; and (d) a lever pivotable in relation to the guide member and comprising a locking element for engaging a selected recess to enable fixation of the angled section at a desired position relative to the guide member.