Patent ID: 7600552

Claim:
A multi-link telescopic cover, comprising: a cover assembly, which has a plurality of shield plates fitted in sequence, which gradually decrease in size to be extended and telescoped, wherein the cover assembly has a first end and a second end, and each of the shield plates has a right slide way and a left slide way, each of which are slots fixed to the front surface of the shield plate and a middle pivot midway between the right and the left slide ways; wherein the right slide way, the left slide way and the middle pivot all are spaced apart from each other in a plane perpendicular to the shield plate; a link assembly having a set of parallel first linkages and a set of parallel second linkages, wherein the first linkages and the second linkages are in abutting engagement crosswise; the first linkages having first ends pivotly and slideably engaged in the left slide way of the first shield plate from the first end of the cover assembly to the third shield plate from the second end of the cover assembly respectively, and having second ends pivotly and slideably engaged in the right slide way of the third shield plate from the first end of the cover assembly to the first shield plate from the second end of the cover assembly respectively, and having middles pivotly engaged on the middle pivot of the second shield plate from the first end of the cover assembly to the second shield plate from the second end of the cover assembly respectively; the second linkages having first ends pivotly and slideably engaged in the right slide way of the first shield plate from the first end of the cover assembly to the third shield plate from the second end of the cover assembly respectively, and having second ends pivotly and slideably engaged in the left slide way of the third shield plate from the first end of the cover assembly to the first shield plate from the second end of the cover assembly respectively, and having middles pivotly engaged on the middle pivot of the second shield plate from the first end of the cover assembly to the second shield plate from the second end of the cover assembly respectively.