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US 5,490,713 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 the vibration of said means for vibrating the driver's seat,
- wherein means for vibrating said driver's seat includes a lower vibrating body, an upper vibrating body on said lower vibrating body, said driver's seat being on said upper vibrating body, a U-shaped flat spring connected at one end thereof to said lower vibrating body and at another end thereof to said upper vibrating body, an electro-magnet installed on one of said ends of said flat spring, a magnet on the other of said ends of said spring and facing said electro-magnet, and controller means for controlling the energizing of said electro-magnet.
2 more elements
Dependencies are inferred from the claim text.