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US 5,516,192 AGranted
Apparatus for vibrating seats
AssigneeFukuoka Kagaku Ltd.
InventorMasahiro Fukuoka
Life of this patent
Estimating the term…
Abstract
A driver's seat having a vibration generator connected to the driver's seat and controls for turning the vibration generator on and off for vibrating the driver's seat so that when a driver feels drowsiness coming on, the driver can operate the controls for switching on-off the vibration generator so that the driver's seat can be vibrated and prevent the driver from dozing during driving and prevent an accident from occurring.
Claims1
An apparatus for vibrating a seat comprising:
- a driver's seat;
- means for vibrating said driver's seat;
- and
- means for controlling vibration of said means for vibrating the driver's seat,
- wherein said means for vibrating said driver's seat comprises a lower vibrating body, an upper vibrating body on said lower vibrating body, said driver's seat being on said upper vibrating body, a coil spring having a lower portion on said lower vibrating body and an upper portion on said upper vibrating body, an electro-magnet installed on one of said lower vibrating body and said upper vibrating body, a magnetic portion facing said electro-magnet and installed on another one of said lower vibrating body and said upper vibrating body, and controller means for controlling energizing of said electro-magnet.
2 more elements
Dependencies are inferred from the claim text.