Beds – Sofa bed – Reverting back
Patent
1988-03-09
1989-06-27
Grosz, Alexander
Beds
Sofa bed
Reverting back
378209, A61G 700, A61B 604
Patent
active
048415855
ABSTRACT:
An axis of rotation of a bed can be shifted in a direction in which it becomes remote from a floor when the bed is slid parallel to a patient-mounted plane while being swung, in a case where the swing angle is relatively small. The amount of elevation of the bed can be made larger than in a case where the axis of rotation is not shifted. The amount of slide of the bed can be thus made smaller than in the case wherein the axis of rotation is not shifted, in order to obtain a predetermined amount of elevation of the bed. As the result, the horizontal component of slide can be made smaller to thereby making smaller the space in which the bed can be swung and slid.
REFERENCES:
patent: 2534623 (1950-12-01), Pitts et al.
patent: 3525308 (1970-08-01), Koopmans
patent: 3532862 (1970-10-01), Craig et al.
patent: 4579323 (1986-04-01), Brendl et al.
patent: 4618133 (1986-10-01), Siczek
Machine Design "Tilting of a Bed for an X-Ray Diagnostic Apparatus"; Y. Masuzawa; Dec. 1986 Edition issued by Nikkan Kogyo, pp. 66 to 71.
Grosz Alexander
Kabushiki Kaisha Toshiba
Trettel Michael F.
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