| Ketten-Wulf Betriebs-GmbH Patent applications |
| Patent application number | Title | Published |
|---|
| 20110220457 | ESCALATOR - An escalator includes a plurality of steps or panels, a chain for driving the steps or panels, at least one chain wheel around which the chain is deflected and wherein the chain, starting from the chain wheel, forms an upper strand and a lower strand. There is also provided a device for the polygonal compensation of the movement of the at least one chain wheel. The effective lever arm of the chain on the at least one chain wheel in the upper strand is substantially equal to the effective lever arm of the chain on the at least one chain wheel in the lower strand. | 09-15-2011 |
| 20110220456 | ESCALATOR - An escalator includes a plurality of steps or panels, a chain for driving the steps or panels, at least one chain wheel around which the chain is deflected and wherein the chain, starting from the chain wheel, forms an upper strand and a lower strand. There is also provided a device for the polygonal compensation of the movement of the at least one chain wheel. The effective lever arm of the chain on the at least one chain wheel in the upper strand is substantially equal to the effective lever arm of the chain on the at least one chain wheel in the lower strand. | 09-15-2011 |
| 20100273589 | SOUND-DAMPING UNIT FOR A SPROCKET, AND SPROCKET - A sound-damping unit for a sprocket has a mounting foot for connection to a sprocket and an elastic body placed on the mounting foot that is suitable for cushioning a chain running onto the sprocket. The elastic body is provided with a protective cap or protective layer. A sprocket according to the invention includes a circular sprocket disc having a number of teeth and tooth gaps in the circumferential direction. The sprocket is equipped with at least one sound-damping unit that is configured to reduce the noise upon a chain running onto said sprocket. The sound-damping unit is at least one sound damping unit as above. | 10-28-2010 |
| 20100236900 | Chain, Particularly Conveyor Chain for the Transport of Chassis Carriers or Unit Loads - A chain, in particular a conveyor chain for the transport of chassis carriers or bulk goods, contains pairs of exterior tabs, interior tabs and bolts connecting the pairs of exterior link plates and interior link plates to each other. The exterior link plates and/or the interior link plates are at least partially made of plastic. | 09-23-2010 |
| 20090308712 | ESCALATOR - An escalator includes a plurality of steps or panels, a chain for driving the steps or panels, at least one chain wheel around which the chain is deflected and wherein the chain, starting from the chain wheel, forms an upper strand and a lower strand. There is also provided a device for the polygonal compensation of the movement of the at least one chain wheel. The effective lever arm of the chain on the at least one chain wheel in the upper strand is substantially equal to the effective lever arm of the chain on the at least one chain wheel in the lower strand. | 12-17-2009 |
