{"number":"US12702758B2","kindCode":"B2","documentType":"grant","title":{"original":"Torsion spring mechanism for medicament delivery device, and medicament delivery device comprising said mechanism","english":"Torsion spring mechanism for medicament delivery device, and medicament delivery device comprising said mechanism"},"abstract":{"original":"A mechanism having a base structure; a plunger rod movable along a longitudinal axis; a driver rotatable about the longitudinal axis and engaging the plunger rod; a torsion spring connected to the driver and to the base structure, the torsion spring being arranged to rotationally drive the driver; and at least one support part arranged to support the torsion spring in a lateral direction; wherein the mechanism has at least one rotational interface between the driver and the base structure; and wherein the at least one rotational interface is positioned at between 0.5% and 99.5% of a length of …","english":"A mechanism having a base structure; a plunger rod movable along a longitudinal axis; a driver rotatable about the longitudinal axis and engaging the plunger rod; a torsion spring connected to the driver and to the base structure, the torsion spring being arranged to rotationally drive the driver; and at least one support part arranged to support the torsion spring in a lateral direction; wherein the mechanism has at least one rotational interface between the driver and the base structure; and wherein the at least one rotational interface is positioned at between 0.5% and 99.5% of a length of …"},"applicants":["SHL MEDICAL AG"],"inventors":["Joakim Lindholm"],"filingDate":"2023-05-09","publicationDate":"2026-08-11","grantDate":"2026-08-11","verifiedWithOffice":true,"pdfUrl":"https://downloadpatent.com/pdf/US12702758B2.pdf","pages":{"en":"https://downloadpatent.com/patent/US12702758B2","zh-Hant":"https://downloadpatent.com/zh-Hant/patent/US12702758B2","ja":"https://downloadpatent.com/ja/patent/US12702758B2"}}