Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Jussi Perälä0
Mark Peacock0
Date of Patent
July 12, 2016
0Patent Application Number
140200270
Date Filed
September 6, 2013
0Patent Citations Received
Patent Primary Examiner
Patent abstract
A method and elevator arrangement wherein a roof structure is lifted higher in a hoistway so as to make more room below the roof structure, the roof structure being a movable roof structure, and in that the movable roof structure is lifted in the hoistway taking support for the lift from a second movable support structure mounted in the hoistway above the roof structure.
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