Head rests
US7717507B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Nov 22, 2005 |
| Grant date | May 18, 2010 |
| Priority date | — |
| Expiry date | Oct 29, 2026 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60N2/888
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A head rest of a vehicle seat may include a head support portion for supporting a head of a passenger, and a drive unit for moving the head support portion. The drive unit has a moving mechanism that is arranged and constructed to move the head support portion toward and away from the passenger head, an actuator for actuating the moving mechanism, a load detecting device that can detect a load applied to the actuator and generate a control signal representative of the detected load, and a controller that can control the actuator so as to control the moving mechanism. The controller controls the moving mechanism so as to move the head support portion toward the passenger head. The controller controls the moving mechanism based on the control signal so as to stop the motion of the head support portion.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.