Safety device for vehicle seat with vibrator
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Aug 14, 1984
Grant Date -
N/A
app pub date -
Mar 18, 1982
filing date -
Mar 25, 1981
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A vehicle driver's seat is equipped with an electromagnetically operated vibrator arranged in its back-rest to be activated by energization of an electric control circuit for periodically supplying an electric current to the vibrator from a vehicle battery. A safety device for the driver's seat comprises a parking brake switch arranged between the electric control circuit and the battery to be opened during the inoperative condition of a parking brake of the vehicle and to be closed in response to operation of the parking brake, and an additional control circuit for energizing the electric control circuit in response to closing of the switch to activate the vibrator during arrest of the vehicle and for deenergizing the electric control circuit in response to opening of the switch to deactivate the vibrator during movement of the vehicle.
First Claim
Family
International Classification(s)
- [Classification Symbol]
- [Patents Count]
Cited Art Landscape
Patent Citation Ranking
Recipient Email Address
Recipient Email Address
Comment
Recipient Email Address
Add to Portfolio(s)
To add this patent to one, or more, of your portfolios, simply click the add button.
This Patent is in these Portfolios:
Add to additional portfolios:
Last Refreshed On:
Changes done successfully