Patent ID: 8733717

Claim:
Height adjustment apparatus, the apparatus comprising a ground engaging support member, the support member being internally threaded within a bore of that member, a height adjustment member located within the support member and extending upwardly therefrom, the height adjustment member being threadably engageable with the support member such that relative rotation of the height adjustment member causes raising or lowering thereof relative to the support member, and one or more item engagement arrangements locatable within the height adjustment member and configured so as to engage with an item extending upwardly therefrom, whereby the height of the item can be adjusted, at least one of the one or more item engagement arrangements comprising a sheet of a resiliently deformable material, a plurality of interconnected openings being provided in the sheet such that an item can be pushed through the openings, and the resiliently deformable material will grip the item extending therethrough, wherein the openings are in the form of interconnecting slots, the interconnecting slots being curved and extending at least generally radially from an interconnecting central opening.