Hook type fowler for hospital stretchers
AssigneeChemed Corporation
InventorsDonald H. Holdt, James S. Sims, Jr.
Life of this patent
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Abstract
A quick release for the back rest (Fowler) of hospital stretchers. The conventional threaded crank actuator carries a mating threaded block and a sliding block, the sliding block being connected to the head rest. Manually operated hook means permits disengagement between the blocks to free the back rest. Inadvertent disengagement preventing safety means, and re-engagement means are also provided.
Claims17
In a hospital stretcher of the like having a back rest actuated by a single threaded crank, the improvement comprising quick release means to permit said back rest to be disengaged from the single threaded crank to be moved rapidly to the fully reclined position.
A method of quick disengagement of a hospital stretcher Fowler mechanism to permit the stretcher back rest to be quickly returned to a fully reclined position, comprising the steps of connecting the Fowler mechanism to a sliding block, permitting said sliding block motion free of the normal crank mechanism, providing hook means interconnecting said sliding block with a threaded block, engaging said threaded block with a mating threaded member in said crank mechanism, and operating said hook means to permit motion of said back rest free of said crank mechanism when said blocks are dis-engaged or under the control of said crank mechanism when said blocks are engaged by said hook means.
Dependencies are inferred from the claim text.