| CPC A01K 27/002 (2013.01) | 29 Claims |
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1. An expander harness for walking pets on a leash, comprising a back part equipped with a lining, to which a back strap equipped with a buckle portion is attached, a belly strap fixed to the buckle portion, and a leash connector suitable for attaching a leash, having a limiting element threaded through it, which limiting element is slightly bulging and is fixed to the lining by a limiting element fixing point in the intersection of an axis line and a separating axis line, furthermore there is a shoulder part element on both sides of the axis line, arranged symmetrically, surrounding the two shoulders of the animal, threaded through at least one shoulder part connecting element, wherein at least one shoulder part limiting element and at least one shoulder part elastic element are also threaded through the shoulder part connecting element, and fixed to the lining,
wherein the leash connector on one side of the separating axis line and the at least one shoulder part connecting element on another side of the separating axis line are elastically displaced in a direction opposite to each other as a result of force acting on the leash, that is move away from each other to the extent of the stretching of an elastic element threaded through the leash connector, extending between the leash connector and the limiting element fixing point, and that of the shoulder part elastic element threaded through the shoulder part connecting element, wherein the order of their displacement is determined by the sizing of the spring stiffness of the elastic element threaded through the leash connector and that of the shoulder part elastic element threaded through the shoulder part connecting element, while the length of their displacement is determined by the limiting element and a stretching endpoint thereof, and the shoulder part limiting element and a shoulder part stretching endpoint.
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