US 12,264,507 B2
Anti-theft device, in particular for textile products
Sebastian Müller, Munich (DE); and Alexander Schneider, Munich (DE)
Assigned to rapitag GmbH, Munich (DE)
Filed by rapitag GmbH, Munich (DE)
Filed on Jul. 20, 2021, as Appl. No. 17/380,286.
Claims priority of application No. 10 2020 209 216.8 (DE), filed on Jul. 22, 2020.
Prior Publication US 2022/0025677 A1, Jan. 27, 2022
Int. Cl. E05B 73/00 (2006.01); E05B 47/00 (2006.01); E05B 51/00 (2006.01)
CPC E05B 73/0017 (2013.01) [E05B 47/0009 (2013.01); E05B 51/005 (2013.01)] 16 Claims
OG exemplary drawing
 
1. Anti-theft device configured to be attached to merchandise to be protected the anti-theft device comprising:
a housing, and
a locking mechanism, which is received in the housing at least in part and comprises a securing element, the securing element being adjustable between a securing position, in which it engages with the merchandise to be protected, and a release position, in which detachment and removal of the anti-theft device from the merchandise to be protected are permitted,
wherein the locking mechanism further comprises:
at least two guide openings, which are displaceable relative to one another and through which the securing element is guided,
a guide element, in which at least one guide opening of the at least two guide openings is formed, the guide element having a first position, in which the at least two guide openings are positioned relative to one another in such a way that movement of the securing element from the securing position to the release position is prevented, and a second position, in which the at least two guide openings are positioned relative to one another in such a way that movement of the securing element from the securing position to the release position is permitted, and
a wire, which is made at least in part of a shape-memory alloy, is operatively connected to the guide element, and is configured to transfer the guide element from the first position to the second position, wherein both ends of the wire are held in place immovably relative to the housing, a contact portion of the wire in between said two ends being in direct contact with the guide element in such a way that, upon shortening of the wire, the guide element is transferred from the first position to the second position wherein the at least one guide opening of the at least two guide openings has a substantially oval contour and at least one other guide opening of the at least two guide openings has a substantially circular contour.