US 11,730,642 B2
Assisted lifting devices for roll-in cots
Timothy Dietz, Springboro, OH (US); and Brian Magill, Cincinnati, OH (US)
Assigned to FERNO-WASHINGTON, INC., Wilmington, OH (US)
Filed by Ferno-Washington, Inc., Wilmington, OH (US)
Filed on Aug. 27, 2019, as Appl. No. 16/551,961.
Application 16/551,961 is a division of application No. 14/896,040, granted, now 10,420,684, previously published as PCT/US2014/042088, filed on Jun. 12, 2014.
Claims priority of provisional application 61/835,039, filed on Jun. 14, 2013.
Prior Publication US 2019/0380890 A1, Dec. 19, 2019
Int. Cl. A61G 1/048 (2006.01); A61G 1/056 (2006.01); A61G 1/02 (2006.01); A61G 1/013 (2006.01)
CPC A61G 1/0562 (2013.01) [A61G 1/013 (2013.01); A61G 1/0212 (2013.01); A61G 1/0256 (2013.01); A61G 1/0243 (2013.01); A61G 1/0262 (2013.01)] 7 Claims
OG exemplary drawing
 
1. A roll-in cot comprising:
a support frame comprising front legs and back legs secured thereto and that are configured to move independent of one another along an axial dimension of the support frame;
a stretcher removably coupled to the support frame, the stretcher comprising a torso portion coupled to a hips portion; and
a lift assist mechanism coupled to the support frame and the torso portion of the stretcher, the lift assist mechanism comprising:
a force application member comprising an actuation element;
an actuation mechanism comprising a first grasp handle and a second grasp handle; and
a force transmission assembly comprising a first keyway plate that is coupled to the first grasp handle, a second keyway plate that is coupled to the second grasp handle, and an actuation pin that extends through both the first keyway plate and the second keyway plate, the first keyway plate and the second keyway plate each comprising an actuation portion and a relief portion wherein the actuation portion is tapered such that the relief portion is wider than the actuation portion, the actuation pin selectively applying a force to the actuation element of the force application member-such that the first keyway plate and the second keyway plate are both repositionable between a relaxed position and an actuation position.