US 11,684,530 B2
Mattress retention assembly and radiofrequency weld in surface covers
Douglas Borgman, Brookville, IN (US); Jnanesha Ramegowda, Batesville, IN (US); David Newkirk, Lawrenceburg, IN (US); Jason Brennan Grace, Cincinnati, OH (US); Brian Guthrie, Greensburg, IN (US); Eric R. Meyer, Batesville, IN (US); Darrell L. Borgman, Batesville, IN (US); Nicole Johannigman, Greensburg, IN (US); Rachel L. Williamson, Batesville, IN (US); Michael Churilla, Harrison, OH (US); James Evans, Greensburg, IN (US); Taylor Franklin, Batesville, IN (US); Catherine Marie Wagner, Osgood, IN (US); Keith Moores, Milan, IN (US); and Katherine Lin, Broomfield, CO (US)
Assigned to Hill-Rom Services, Inc., Batesville, IN (US)
Filed by Hill-Rom Services, Inc., Batesville, IN (US)
Filed on Apr. 9, 2020, as Appl. No. 16/844,054.
Claims priority of provisional application 62/833,389, filed on Apr. 12, 2019.
Prior Publication US 2020/0323718 A1, Oct. 15, 2020
Int. Cl. A61G 7/065 (2006.01); B29C 65/04 (2006.01); B29L 31/00 (2006.01)
CPC A61G 7/065 (2013.01) [B29C 65/04 (2013.01); B29L 2031/751 (2013.01)] 18 Claims
OG exemplary drawing
 
1. A hospital bed comprising:
a sleep deck having an upper portion, a middle portion, and a lower portion that each define a support surface and an underbody that defines a notch, wherein the notch does not penetrate through the sleep deck, wherein an opening is defined by and extends through the upper portion and wherein a space is defined between at least the upper portion and the middle portion;
a mattress disposed on the support surface of the sleep deck;
an outer mattress shell encasing the mattress, the outer mattress shell including a fold defined by a weld extending through the outer mattress shell; and
a mattress retention assembly operably coupled to the outer mattress shell, the mattress retention assembly including at least one of:
a first magnet and a second magnet that selectively couple the mattress and the outer mattress shell to the sleep deck;
a portion of the mattress retention assembly extending between the outer mattress shell and the sleep deck;
an affixing member disposed on the outer mattress shell;
a retention ridge extending through the space defined by the sleep deck; and
a retention feature having a clasping portion that engages the notch, wherein the retention feature includes a plurality of ridges and a planar portion extending between the outer mattress shell and the sleep deck.
 
13. A hospital bed comprising:
a sleep deck having an upper portion, a middle portion, and a lower portion that each define a support surface and an underbody that defines a notch, wherein an opening is defined by and extends through the upper portion and wherein a space is defined between at least the upper portion and the middle portion;
a mattress disposed on the support surface of the sleep deck;
an outer mattress shell encasing the mattress, the outer mattress shell including a fold defined by a weld extending through the outer mattress shell; and
a mattress retention assembly operably coupled to the outer mattress shell, the mattress retention assembly including at least one of:
a first magnet and a second magnet that selectively couple the mattress and the outer mattress shell to the sleep deck;
a portion of the mattress retention assembly extending between the outer mattress shell and the sleep deck, wherein the mattress retention assembly includes a retention feature having a planar portion extending between the outer mattress shell and the sleep deck and a clasping portion frictionally engaged with the notch defined in the underbody of the sleep deck, and wherein the retention feature includes a plurality of ridges;
an affixing member disposed on the outer mattress shell; and
a retention ridge extending through the space defined by the sleep deck.
 
16. A hospital bed comprising:
a sleep deck having an upper portion, a middle portion, and a lower portion that each define a support surface and an underbody that defines a notch, wherein an opening is defined by and extends through the upper portion and wherein a space is defined between at least the upper portion and the middle portion;
a mattress disposed on the support surface of the sleep deck;
an outer mattress shell encasing the mattress, the outer mattress shell including a fold defined by a weld extending through the outer mattress shell; and
a mattress retention assembly operably coupled to the outer mattress shell, the mattress retention assembly including:
a portion of the mattress retention assembly extending between the outer mattress shell and the sleep deck, wherein the mattress retention assembly includes a retention feature having a planar portion extending between the outer mattress shell and the sleep deck and a clasping portion frictionally engaged with the notch defined in the underbody of the sleep deck, and wherein the retention feature includes a plurality of ridges.