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US 5,333,544 AGranted
Mobile platform for operators of calenders
AssigneeSulzer Papertec Krefeld GmbH
InventorHans-Rolf Conrad
Life of this patent
Estimating the term…
Abstract
A platform at one side of a battery of rolls in a calender can be moved up or down when the rolls are not driven or when a breastwork at the parapet of the platform is moved to a raised position so that an operator standing on the bottom wall of the platform cannot reach a nip of the rolls while the rolls are driven.
Claims9
A web treating machine comprising:
- a battery of rolls having a first side and a second side, each of said rolls being disposed at different elevations;
- at least one guide roller being disposed adjacent to said first side of said battery of rolls, said battery of rolls and said at least one guide roller defining an elongated path for a running web;
- a platform comprising a support, said platform being disposed adjacent to said first side of said battery of rolls;
- a parapet being disposed on said support;
- means for moving said support up and down along said first side between a plurality of levels;
- a breastwork being disposed on said support adjacent to said parapet;
- and
- means for raising and lowering said breastwork relative to said parapet between a plurality of positions including an uppermost and a lowermost position, said breastwork extending beyond said parapet in at least one of said plurality of positions to prevent a person occupying said support from reaching over said parapet and contacting said battery of rolls irrespective of the level of said support.
5 more elements
Dependencies are inferred from the claim text.