Actually, Lukas bischofberger (36) is constructed with its Start-up sensor system, injection molding monitor in the car industry. However, the Corona-crisis has also hit the small company from Winterthur.

Lukas Bischofberger and his three comrades-in-arms to make a virtue out of necessity. At the lunch table, ideas are discussed. And suddenly, the Problem arises that the best hygiene rules are useless if you have to hinfassen still anywhere with the hands, where many other hinfassen.

the toilet door, water tap, lift button, keys in the card number of the device, or the door opener rail and Bus. “Right now with the most stringent of Hygiene measures because of the Coronavirus, I noticed, as you do on the public toilet is about all the efforts quickly dashed,” says Lukas Bischof Berger.

toilet-open doors without touching them with the hands,

is The Equipment for the development of a tool during the Start-up, so you do it. It quickly becomes clear that it is not easy to be a hook to doors to raise, but as many tasks as possible do.

“it was also Important that it is possible to supply the Gadget to clean,” says the young entrepreneur. Within a week, several prototypes were produced. Now the “Doorhandler” is finished and can be used for about 16 Swiss francs, including shipping, over the body vitality be ordered.

The black plastic part looks like a key and comes with a case. You can pull door handles down, or press a open the water tap. Even the turn lock for public toilets you can use without touching it. In addition, keys can be with the top press, such as the Lift, public transport or the payment terminal for the Pin code at the cash register.

Currently, the Doorhandler is produced with the 3D printer in Winterthur. The demand should be large, would be all for a mass production ready. “We want to be able to definitely deliver in one to two days,” says Lukas Bischof Berger.


The Coronavirus currently holds the world in suspense. Many countries are taking measures such as Closing schools or limiting public events, to prevent the spread. In Switzerland, too, the grass, the Virus magnetized. All of the current information and Figures around the topic there is in the Coronavirus-Ticker.