US 11,987,977 B2
Combination of anchor rail and hammer head element
Roland Unterweger, Freudenstadt (DE); Christoph Wiedner, Feldkirch (AT); and Falk Wittmann, Böhlen (DE)
Assigned to FISCHERWERKE GMBH & CO. KG, Waldachtal (DE)
Appl. No. 18/280,251
Filed by fischerwerke GmbH & Co. KG, Waldachtal (DE)
PCT Filed Mar. 3, 2022, PCT No. PCT/EP2022/055346
§ 371(c)(1), (2) Date Sep. 4, 2023,
PCT Pub. No. WO2022/189239, PCT Pub. Date Sep. 15, 2022.
Claims priority of application No. 10 2021 106 024.9 (DE), filed on Mar. 12, 2021.
Prior Publication US 2024/0068226 A1, Feb. 29, 2024
Int. Cl. E04B 1/41 (2006.01); F16B 35/06 (2006.01)
CPC E04B 1/4107 (2013.01) [F16B 35/06 (2013.01)] 12 Claims
OG exemplary drawing
 
1. A combination of an anchor rail, in particular for setting in concrete, with a hammer head element,
wherein the anchor rail has a rail which has a cross-section with a substantially uniform, c-shaped profile which extends along a longitudinal direction, wherein the profile has an inner side and an outer side and a, in particular substantially rectangular contour with a lower side, an upper side opposite the lower side, and two connecting sides which connect the upper side and the lower side, wherein an opening of the C-shaped profile extends on the upper side in the longitudinal direction, wherein in particular at least two anchor bolts are arranged on the lower side of the rail, wherein the connecting sides are formed by side walls of the rail,
wherein lips each extend on the upper side with a projection from the respective side wall to the opening,
wherein the hammer head element has a hammer head which is configured to be inserted into the opening in a first orientation and configured to be brought into contact on the inner side of the lips with an upper side facing the lips in a second orientation,
wherein the hammer head in the second orientation is configured to be in an inserted, force-free state in which the hammer head does not cause a force-related deformation of the lips, and while in a region of the lips facing the side walls, there is a distance between the respective lip and the head upper side,
wherein the lips have a toothing on the inner side in a region facing the opening and no toothing in a region facing the side walls,
wherein the hammer head has teeth and, in the inserted, force-free state in the second orientation, the hammer head and the lips are configured to be brought into contact exclusively with the teeth and the toothings in a manner such that the toothing rests against an entire surface of the teeth, and
wherein, the hammer head is configured to be transitioned from the force-free state to a loaded state in which a service load acts on the hammer head, and in the loaded state the lips are configured to have a deformed configuration relative to a configuration of the lips in the force-free state such that the deformed configuration comprises the hammer head and the lips being in contact where the distance between the respective lip and the head upper side previously was present in the force-free state.