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O&K Rolltreppen GmbH Patents
Assignee:
O&K Rolltreppen GmbH
Address:
Hattingen, DE
No. of patents:
3
Patents:




Patent Number Title Of Patent Date Issued
5775477 Drive system for curved escalator July 7, 1998
A drive system for a curved escalator which has a frame, a transport section including steps, return tracks and guide tracks, and a drive connected to the transport section. The drive system includes: chain wheels connectable to the drive; and chains engaging the chain wheels hingeab
5544729 Curved escalator August 13, 1996
A curved escalator in which the occurrence of an unacceptably wide gap between the steps or between the steps and the sidewalls is avoided by virtue of the fact that all the step sections have different arcs when viewed in the plan view but have constant arcs in each of these zones. The
5398800 Safety device for a people mover March 21, 1995
A safety device for people movers, particularly for escalators and moving sidewalks, includes at least one carrier plate supporting a comb segment at a first end. The carrier plate is horizontally displaceable relative to at least one carrier element which accommodates the carrier plate,

 
 
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