US 12,434,746 B2
Rail-guided wagon
Richard Persson, Häljarp (SE); Erland Annerfeldt, Hörby (SE); and Mats Eriksson, Dalby (SE)
Assigned to TETRA LAVAL HOLDINGS & FINANCE S.A., Pully (CH)
Appl. No. 17/623,463
Filed by TETRA LAVAL HOLDINGS & FINANCE S.A., Pully (CH)
PCT Filed Jul. 2, 2020, PCT No. PCT/EP2020/068614
§ 371(c)(1), (2) Date Dec. 28, 2021,
PCT Pub. No. WO2021/004866, PCT Pub. Date Jan. 14, 2021.
Claims priority of application No. 19185028 (EP), filed on Jul. 8, 2019.
Prior Publication US 2022/0348238 A1, Nov. 3, 2022
Int. Cl. B61J 3/00 (2006.01)
CPC B61J 3/00 (2013.01) 16 Claims
OG exemplary drawing
 
1. A rail-guided wagon for transporting a carrier in a package form and seal machine, comprising:
a wagon body;
a set of spaced-apart wheels to be distributed on each side of the rail, including a first subset of the wheels to be arranged on a first side of the rail and a second subset of the wheels to be arranged on an opposite side of the rail, wherein each wheel is arranged to rotate in a horizontal plane when in use;
at least one wheel support member pivotally connected to the wagon body and configured to rotationally support each wheel of the first subset of the wheels, while biasing the first subset of the wheels toward the second subset of the wheels; and
at least one spring arranged to urge the at least one wheel support member in an upward direction perpendicular to the horizontal plane.