A bouncing cradle comprises a base frame (10) intended to rest on an underlay, a backrest (20), a pivot mounting (12) arranged for the backrest and carried by the base frame, an arm (22) fixedly connected to the backrest and situated under the backrest as well as at a distance from the pivot mounting, and an adjustment fitting (40) for setting different angles of inclination of the backrest in relation to the base frame, the base frame comprising an essentially plane support yoke (84), the branch ends of which are attached to a support plate (16). The support plate (16) consists of an injection-moulded piece of plastic having integrated tubular sleeves (85) that receive the mutually parallel ends of the yoke branches, and that the sleeves (85) are situated at a distance above the support surface of the support plate (16) facing the underlay.