1. Harvesting apparatus, namely merger or pickup swather, with a supporting frame having a longitudinal member and crossmembers (14, 15, 16), with a chassis having wheels, with pickup members designed as a pickup for picking up harvested crop, and with transverse conveyor devices designed as belt conveyors for conveying the picked-up harvested crop in a transverse conveying direction running transversely with respect to a longitudinal direction, wherein a respective pickup member and a respective transverse conveyor device are arranged on a first side and on a second side of the longitudinal member, wherein a first shiftable crossmember which is arranged on the respective side of the longitudinal member and accommodates the respective pickup member and the respective transverse conveyor device is shiftable about an axis extending in a vertical height direction relative to a second shiftable crossmember and is furthermore shiftable via the second shiftable crossmember about an axis extending in the horizontal longitudinal direction relative to a fixed crossmember acting on the longitudinal member, characterized in that a respective first overload protection device is positioned between the first and second shiftable crossmembers (14, 15) arranged on the respective side of the longitudinal member, said overload protection device triggering when a force which acts on the respective pickup member and/or the respective transverse conveyor device and/or the respective first crossmember in a horizontal direction counter to the harvesting direction exceeds a limit value and permitting shifting of the respective pickup member and of the respective transverse conveyor device about the axis extending in a vertical height direction rearwards in the opposite direction to the harvesting direction. with a supporting frame having a longitudinal member and crossmembers (14, 15, 16), with a chassis having wheels, with pickup members designed as a pickup for picking up harvested crop, and with transverse conveyor devices designed as belt conveyors for conveying the picked-up harvested crop in a transverse conveying direction running transversely with respect to a longitudinal direction, wherein a respective pickup member and a respective transverse conveyor device are arranged on a first side and on a second side of the longitudinal member, wherein a first shiftable crossmember which is arranged on the respective side of the longitudinal member and accommodates the respective pickup member and the respective transverse conveyor device is shiftable about an axis extending in a vertical height direction relative to a second shiftable crossmember and is furthermore shiftable via the second shiftable crossmember about an axis extending in the horizontal longitudinal direction relative to a fixed crossmember acting on the longitudinal member, characterized in that a respective first overload protection device is positioned between the first and second shiftable crossmembers (14, 15) arranged on the respective side of the longitudinal member, said overload protection device triggering when a force which acts on the respective pickup member and/or the respective transverse conveyor device and/or the respective first crossmember in a horizontal direction counter to the harvesting direction exceeds a limit value and permitting shifting of the respective pickup member and of the respective transverse conveyor device about the axis extending in a vertical height direction rearwards in the opposite direction to the harvesting direction. wherein a respective pickup member and a respective transverse conveyor device are arranged on a first side and on a second side of the longitudinal member, wherein a first shiftable crossmember which is arranged on the respective side of the longitudinal member and accommodates the respective pickup member and the respective transverse conveyor device is shiftable about an axis extending in a vertical height direction relative to a second shiftable crossmember and is furthermore shiftable via the second shiftable crossmember about an axis extending in the horizontal longitudinal direction relative to a fixed crossmember acting on the longitudinal member, characterized in that a respective first overload protection device is positioned between the first and second shiftable crossmembers (14, 15) arranged on the respective side of the longitudinal member, said overload protection device triggering when a force which acts on the respective pickup member and/or the respective transverse conveyor device and/or the respective first crossmember in a horizontal direction counter to the harvesting direction exceeds a limit value and permitting shifting of the respective pickup member and of the respective transverse conveyor device about the axis extending in a vertical height direction rearwards in the opposite direction to the harvesting direction.