초록 ▼

A combination stretcher and stairchair having a main frame mounting pivotal torso and leg rest sections which when elevated convert from a stretcher to form a stairchair, and in which the conversion from the stretcher position to the stairchair position is easily achieved by actuating a release bar,

A combination stretcher and stairchair having a main frame mounting pivotal torso and leg rest sections which when elevated convert from a stretcher to form a stairchair, and in which the conversion from the stretcher position to the stairchair position is easily achieved by actuating a release bar, the stairchair being readily reconverted to a stretcher by collapsing sets of diagonal braces.

대표청구항 ▼

A combination stretcher and stairchair comprising: a main frame having an opposing pair of side rails with spaced apart cross braces extending between said side rails, a torso section pivotally connected to said side rails intermediate their opposite ends, said torso section having opposing side fra

A combination stretcher and stairchair comprising: a main frame having an opposing pair of side rails with spaced apart cross braces extending between said side rails, a torso section pivotally connected to said side rails intermediate their opposite ends, said torso section having opposing side frame members pivotally connected at their inner ends to said side rails, and a crossbar at their outermost ends, a leg rest section having opposing side rail members pivotally connected to the outermost ends of the side rails of said torso section, and a cross brace extending between the side rail members of said leg rest section adjacent their outermost ends, set of diagonal braces interconnecting said torso section and said main frame for pivotal movement of said torso and leg rest sections from a collapsed position in which the side frame members of said torso and leg rest sections are essentially planar with the side rails of said main frame, to an elevated position in which said sections form a seat, a first set of said diagonal braces being pivotally connected at one end to the cross brace at the outer ends of the side frame members of said torso section and pivotally connected at their opposite ends to the ends of a second set of said diagonal braces, the opposite ends of said second set of diagonal braces being pivotally connected to said main frame at one end thereof, said sets of diagonal braces extending in prolongation of each other when the torso and leg rest sections are in the elevated position, and lying at an acute angle to each other when the torso and leg rest sections are in the collapsed condition, and means for releasably locking the sections in both the collapsed and elevated positions.