Mammut Tec Ag

Erwin Rott

Ruedi Hess

The invention relates to a tensioning/relaxing element that comprises a base ( ), at least one rotating shaft ( ) mounted on said base, a mobile part ( ) and a lashing device ( ). Between said base ( ) and the at least one shaft ( ) at least one nonpositive and positive element ( ) is provided that tightly encloses the shaft ( ). The first nonpositive and positive element ( ), configured as a tensioning element, is firmly linked on the one side ( ) with a part ( ) that is mobile vis-a-vis the base ( ) and can be actuated on the other side ( ), with a variable and continuous pretension, via a first actuator ( ), while the second nonpositive and positive element ( ), configured as a relaxing element, is firmly linked on the one side ( ) with the base ( ) and can be actuated on the other side ( ), with a variable and continuous pretension, via a second actuator ( &prime;). The invention is characterized in that the tension force or relaxing force can be continuously modified during the tensioning or relaxing process.

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Rüti, Switzerland

Erwin Rott