System for alleviating fatigue in a seat

Details System for alleviating fatigue in a seat System for alleviating fatigue in a seat

1994-04-07

1996-06-04

Ro, Bentsu

Electricity: motive power systems

Positional servo systems

Multiple mode systems

318567000, 318460000, 297284400, B60N 222, G05B 1100

Patent

active

055236642

ABSTRACT:
Method and system for alleviating a fatigue in a seat, wherein there are provided, in combination, a lumbar support mechanism for moving a lumbar support plate towards and away from a lumbar part of a passenger on the seat and a heater for applying a heat thereto, with manual and automatic control modes arranged for operations of those two elements, which may be effected by a simple operation of switches. In the manual control mode, the lumbar support plate and the heater may be adjusted manually for their respective actions. In the automatic control mode, the lumbar support plate may be subject to a repeated reciprocating motion, while allowing the heater to work in synchronism with such reciprocating motion of lumbar support plate.

REFERENCES:
patent: 4865379 (1989-09-01), Aoki et al.
patent: 4981131 (1991-01-01), Hazard
patent: 5065079 (1991-11-01), Ogasawara
patent: 5243267 (1991-11-01), Ogasawara
patent: 5429585 (1995-07-01), Liang

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