US 11,666,499 B2
Patient lift apparatus
Petrus Henricus Maria Stokman, Kaiseraugst (CH); Joaquim Ferreira, Santa Maria Da Feira (PT); Mark Monteiro, Badhoevedorp (NL); and Stefan Lippert, Stuttgart (DE)
Assigned to invacare International GmbH, Witterswil (CH)
Appl. No. 16/955,887
Filed by Invacare International GmbH, Witterswil (CH)
PCT Filed Dec. 3, 2018, PCT No. PCT/IB2018/059564
§ 371(c)(1), (2) Date Jun. 19, 2020,
PCT Pub. No. WO2019/123059, PCT Pub. Date Jun. 27, 2019.
Claims priority of application No. 17208554 (EP), filed on Dec. 19, 2017.
Prior Publication US 2021/0093500 A1, Apr. 1, 2021
Int. Cl. A61G 7/10 (2006.01)
CPC A61G 7/1017 (2013.01) [A61G 7/1061 (2013.01); A61G 2203/723 (2013.01)] 18 Claims
OG exemplary drawing
 
1. A patient lift apparatus comprising a supporting frame, a boom portion connected to the supporting frame, and a spreader element coupled to the boom portion via a coupling member,
wherein the boom portion and coupling member are joined by a pivot joint allowing the coupling member and associated spreader element to pivot with respect to the boom portion about a pivot axis,
wherein the patient lift apparatus further comprises a damping element coupled between the boom portion and the coupling member to damp rocking movement of the coupling member and spreader element,
and wherein the damping element is a linear damper having a first end connected to the boom portion and a second end articulated on and securely fastened to the coupling member at a point of attachment that is offset with respect to the pivot axis of the pivot joint.