Hospital bed mechanisms
US6505365B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 10, 1999 |
| Grant date | Jan 14, 2003 |
| Priority date | — |
| Expiry date | Dec 10, 2019 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61G2203/12
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.