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US 6,769,155 B2Granted
Tensioning and relaxing element
AssigneeMammut Tec AG
InventorsRuedi Hess, Erwin Rott
Life of this patent
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AssigneeMammut Tec AG
InventorsRuedi Hess, Erwin Rott
Estimating the term…
The invention relates to a tensioning/relaxing element that comprises a base (3), at least one rotating shaft (4) mounted on said base, a mobile part (2) and a lashing device (1). Between said base (3) and the at least one shaft (4) at least one nonpositive and positive element (5, 6) is provided that tightly encloses the shaft (4). The first nonpositive and positive element (5), configured as a tensioning element, is firmly linked on the one side (5a) with a part (2) that is mobile vis-a-vis the base (3) and can be actuated on the other side (5b), with a variable and continuous pretension, via a first actuator (11), while the second nonpositive and positive element (6), configured as a relaxing element, is firmly linked on the one side (6a) with the base (3) and can be actuated on the other side (6b), with a variable and continuous pretension, via a second actuator (11′). The invention is characterized in that the tension force or relaxing force can be continuously modified during the tensioning or relaxing process.
Tensioning/relaxing elements for a tensioning/relaxing device that comprises a base, at least one shaft seated on the base on a bearing and capable of rotation, a moveable part, and a lashing device, wherein between the base and the one shaft, at least, at least one non-positive and positive element is provided, which closely surrounds the shaft, wherein the first non-positive and positive element, as a tensioning element, is, on one side firmly connected with a part that may be moved relative to base, and, on the other side, may be actuated with a variable and continuous pre-stress by means of a first actuating element and wherein the second non-positive and positive element is firmly connected, on one side with the base, and, on the other side, with a variable and continuous pre-stress by way of a second actuator, such that the tensioning or relaxing force in the tensioning process or relaxing process, respectively, can be changed continuously.
Dependencies are inferred from the claim text.