Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
December 6, 2022
Patent Application Number
16610117
Date Filed
May 28, 2018
Patent Citations
Patent Primary Examiner
A working device for carrying out fitting or maintenance work in an elevator shaft includes at least one working platform having a standing surface and a railing. The standing surface affords space for at least one person and the railing at least partially encloses the standing surface. The working device also includes at least one additional platform that is attachable to the railing of the working platform, and wherein the additional platform affords an additional standing surface for at least one person. The additional standing surface is arranged above the railing of the working platform.
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