Spring devices – Vehicle – Comprising compressible fluid
Patent
1988-02-19
1989-08-15
Oberleitner, Robert J.
Spring devices
Vehicle
Comprising compressible fluid
169 42, 169 62, 188269, 2441292, 267 6413, 297DIG5, F16F 500, F16F 906, B64D 4500, A62C 3730
Patent
active
048567620
ABSTRACT:
A gas spring mechanism for adjusting and locking the inclination of one element with respect to another, such as the backrest on a passenger seat. The gas spring has a low melting point plug which melts in the event of a fire to discharge compressed gas in the gas spring and thereby allow for the expansion of working liquid in the gas spring. In one preferred embodiment, the compressed gas contains a fire retardant such as HALON 1301.
REFERENCES:
patent: 3388883 (1968-06-01), Axthammer et al.
patent: 3730019 (1973-05-01), Ballard
patent: 4515034 (1985-05-01), Porter
patent: 4632228 (1986-12-01), Oster et al.
patent: 4646848 (1987-03-01), Bruensicke
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