Mattress structure
US6378152B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 2, 1998 |
| Grant date | Apr 30, 2002 |
| Priority date | — |
| Expiry date | Mar 2, 2018 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S5/935
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A variable firmness mattress structure includes a plurality of longitudinally spaced apart, transversely extending air bladders and an air supply for filling each bladder to a respective desired air pressure to support a user at a desired mattress firmness. A control system for the variable firmness mattress structure includes at air controller cooperating with the air supply for filling the air bladders to desired air pressures and a hand-held controller in communication with the air controller. The hand-held controller is configured to receive a first input from the user indicating that a first desired mattress firmness currently exists and to transmit to the air controller a first signal corresponding to the first input. The first desired mattress firmness corresponds to a first set of respective desired air pressures in the bladders. The hand-held controller is further configured to receive a second input from the user indicating a desire to restore the first desired mattress firmness and to transmit to the air controller a second signal corresponding to the second input. The air controller responds to the second signal by restoring the first set of respective desired air press…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.