FIELD: the invention refers to engineering industry, precisely to a driving gear which provides relative displacement of two details with possibility of their turning relatively to each other in a peripheral direction.
SUBSTANCE: a drive has at least one tool of linkage fixed relatively to the first detail which enters between at least two adjacent coils of a spiral ring placed on the second detail without any possibility of turning relatively to it of a spiral spring and at least one detail is installed with possibility to be set in motion relatively to another detail.
EFFECT: simplification of manufacturing of a driving gear and easing its control.
100 cl, 27 dwg
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RU2137955C1 |
