FIELD: personal use articles.
SUBSTANCE: invention relates to spring brake for arrangement between base and movable structural element. Spring brake comprises spring device to accumulate spring forces as structural element is actuated by means of twisting, arranged in the form of helical spring of section of torsion turns of spring device. To support spring device in twisting, it comprises rod-like supporting device, which enters inner space of spring device or passes through it. On supporting device there is a rotary support device installed with the possibility of rotation, by means of which section of torsion turns rests in process of twisting. Rotary support device comprises rotary bushing or circular support in the form of ball bearing or roller bearing.
EFFECT: invention provides for easier travel of structural element relative to base.
33 cl, 15 dwg
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