Granted Patent B2

US 12,545,521 · App. 18/402,318 · Granted Feb 10, 2026

Inventors: Andreas Schuetz (Darmstadt, DE); Stefan Goetz (Darmstadt, DE)

Assignee: Qlar Europe GmbH

B65G17/38B65G17/067

Abstract

Claims (23)

1 . A chain link for a plate link chain of a chain conveyor, the chain link comprising:

two side walls that are spaced apart from one another in parallel in a transverse direction of the chain link and fixedly connected to one another, the two side walls each including at least one rabbet,

wherein the at least one rabbet includes a force transmission surface oriented essentially perpendicularly with respect to a longitudinal direction of the chain link, the force transmission surface being designed and provided for a direct transmission of force to a conveyor plate of the chain conveyor, and

wherein the two side walls are formed as identical parts and each have a constant thickness.

2 . The chain link according to claim 1 , wherein the at least one rabbet is formed of two surfaces, a first one of the two surfaces being the force transmission surface and a second one of the two surfaces being a support surface that is oriented perpendicularly with respect to a vertical direction of the chain link, the support surface positioning the chain link at the conveyor plate of the chain conveyor in the vertical direction.

3 . The chain link according to claim 2 , wherein the force transmission surface and the support surface are planar surfaces that are oriented perpendicular to one another.

4 . The chain link according to claim 1 , wherein the at least one rabbet includes a first rabbet and a second rabbet that is symmetrical with respect to the first rabbet, the first rabbet and the second rabbet both being provided in each of the two side walls and being spaced apart from one another in the longitudinal direction of the chain link, such that a stud is formed between the first rabbet and the second rabbet that is oriented in the vertical direction of the chain link.

5 . The chain link according to claim 1 , wherein each of the two side walls has a recess that extends in a thickness direction of the two side walls, the recess being designed and provided for fastening the chain link to the conveyor plate of the chain conveyor in the vertical direction.

6 . The chain link according to claim 5 , wherein the at least one rabbet is formed of two surfaces, a first one of the two surfaces being the force transmission surface and a second one of the two surfaces being a support surface that is oriented perpendicularly with respect to a vertical direction of the chain link, the support surface positioning the chain link at the conveyor plate of the chain conveyor in the vertical direction, and

wherein the recess has an essentially rectangular cross section, and wherein an upper edge of the recess is arranged in a shared plane with the support surface.

7 . The chain link according to claim 5 , wherein, for each recess, the chain link has a washer with a through hole for accommodating a fastening element, the washer having a larger outer diameter than a longitudinal extension of the recess, and the washer being inserted into the recess in the transverse direction.

8 . The chain link according to claim 5 , wherein, for each recess, the chain link includes a retaining element that has a main body with a through hole for accommodating a fastening element, and a stud section protruding from the main body, the stud section being inserted into the recess in the transverse direction and having a smaller width than the main body.

9 . The chain link according to claim 5 , wherein the chain link comprises a retaining element that has a main body with a through hole for accommodating a fastening element, and two stud sections protruding from the main body, each of the stud sections being inserted into a respective recess of the two side walls in the transverse direction and having a smaller width than the main body.

10 . The chain link according to claim 1 , wherein the two side walls are made of a steel having a material strength of 500 N/mm 2 to 1600 N/mm 2 .

11 . The chain link according to claim 1 , wherein the at least one rabbet is provided at an upper edge of each of the two side walls.

12 . The chain link according to claim 1 , wherein along an entire length of each of the two side walls in the longitudinal direction of the chain link, each of the two side walls has the constant thickness.

13 . A kit comprising:

a chain link; and

a conveyor plate of a chain conveyor,

wherein the chain link includes two side walls that are spaced apart from one another in parallel in a transverse direction of the chain link and fixedly connected to one another, the two side walls including at least one rabbet that has a force transmission surface oriented essentially perpendicularly with respect to a longitudinal direction of the chain link, the force transmission surface being designed and provided for a direct transmission of force to the conveyor plate of the chain conveyor, and

wherein, for each of the two side walls of the chain link, the conveyor plate has an insertion opening with which a portion of each respective side wall or a stud of each respective side wall engages in a form-fit manner for directly transmitting force from the force transmission surface to the conveyor plate.

14 . A chain conveyor comprising a plurality of kits according to claim 13 , wherein neighboring chain links in a chain circulation direction are articulatedly connected to one another to form a plate link chain, and wherein the conveyor plates are drivable in the chain circulation direction via the plate link chain.

15 . The chain conveyor according to claim 14 , wherein the chain conveyor is a slat conveyor.

Assignments (2)

Priority Claims (1)

Continuity (3)

References Cited (19)