B - Operations – Transporting – 60 – B
Patent
B - Operations, Transporting
60
B
16/10
B60B 33/00 (2006.01) B60B 33/02 (2006.01) A61G 7/05 (2006.01)
Patent
CA 2001530
APPARATUS FOR MOVABLY SUPPORTING BEDS AND THE LIKE ABSTRACT OF THE DISCLOSURE The legs of a hospital bed are mounted on discrete casters with brakes for the wheels and blocking devices for the wheel frames. The wheel frames can be unblocked to swivel in their carriers which are mounted in or on the respective legs, and contain cylinders for vertically movable plungers serving to engage or disengage the respective brakes as well as to activate or deactivate the blocking devices. At least two plungers are movable to three different positions in one of which the respective wheels are free to rotate and the respective frames are free to swivel, in another of which the wheels are braked and the frames are blocked, and in the third of which the wheels are free to rotate but the frames are blocked. This is achieved by the provision of a control system employing discrete cylinder and piston units for the casters and conduits which can supply metered quantities of hydraulic fluid from the cylinders of the respective units to the cylinders in the corresponding carriers or vice versa. The pistons of all cylinder and piston units are biased against a common indexible cam.
Albert Schulte Sohne Gmbh & Co.
Fetherstonhaugh & Co.
LandOfFree
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