RETRACTION DEVICE WITH SPRING ENERGY ACCUMULATOR WHICH CAN BE COUPLED
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United States of America
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Dec 16, 2021
app pub date -
Oct 13, 2019
filing date -
Oct 13, 2019
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Abstract
A retraction device includes a housing and a driving element guided in the housing between a parked position and an end position. A first end of a spring energy accumulator is connected to the housing. The spring energy accumulator is loaded to a maximum operating value when the driving element is in the parked position and is unloaded to a residual energy value when the driving element is in the end position. A second end of the spring energy accumulator can either be fixed to the housing or coupled to the driving element by means of a bistable coupling. The coupling has a blocking element that can be moved between the housing and the driving element.
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