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(11) | EP 0 214 796 A3 |
| (12) | EUROPEAN PATENT APPLICATION |
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| (54) | Self elevating scaffold |
| (57) An extendable tower comprises a plurality of interconnected frame members (51,52,53
and 54), the uppermost frame member (51) being provided with a working platform (55).
Each frame member has corner portions provided with connecting means (58) for slidably
engaging adjacent frame members and means (57) for extending and retracting the tower
are provided on the lowermost frame member (54). |