Bed that is movable from a low position to a high position with a load transfer assembly
US11857474B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 6, 2020 |
| Grant date | Jan 2, 2024 |
| Priority date | — |
| Expiry date | Oct 22, 2041 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61G7/012
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A bed that is movable from a low position to a high position with a tailored actuator load output is provided. The bed has a main frame between two bed ends. An end lift assembly is provided on each end to raise and lower the bed. Each end lift assembly has a wheel frame, a wheel assembly, a support frame, a load transfer assembly and an actuator. The load transfer assembly has one or more pivot arms and one or more cam arms. The cam arm (or arms) is connected to the main frame. One end of the pivot arm (or arms) is pivotally connected to the support frame. The other end of the pivot arm is pivotally connected to the actuator in a single arm embodiment and are connected to a cross member that is pivotally connected to the actuator in a multiple pivot arm embodiment.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.