Hospital bed mechanisms

• Main Authors: Hanson, Thomas W, Biondo, John P, Metz, Darrell L, Geiling, Dennis E, Saar, James J
• Format: Patent
• Language: English
• Published: 14.01.2003

The present invention relates to various mechanisms for hospital beds. More particularly, the present invention relates to hospital bed mechanisms that move a patient support deck of the bed between a high position and a low position. The present invention further relates to an articulating patient support mechanism that includes a perimeter frame. In addition, the present invention relates to a pivotal handle/tray mechanism that can be provided at either or both ends of a hospital bed. A mechanism for raising and lowering the height of a patient support surface of a bed which includes a threaded shaft upon which a pulley support is raised and lowered and a chain and pulley system which transfers vertical displacement of the pulley support to the patient support surface. An articulating perimeter frame for supporting a patient on a bed frame which includes a plurality of extruded elongate members which are coupled together by hinges and corner members. The perimeter frame receives and supports inserts which receive head, seat and foot mattress sections. A pivotal push handle/tray combination that is pivotally coupled to the end posts of a bed and includes a mechanism for locking the handle/tray combination into one of a plurality of positions.