Chairs and seats – Movable back – Tiltable
Patent
1979-10-03
1981-10-27
Lyddane, William E.
Chairs and seats
Movable back
Tiltable
297355, A47C 1025
Patent
active
042969662
ABSTRACT:
This invention provides a mechanism for adjusting the angle of the seat back to the seat in which a four link mechanism is provided and a segmental gear and a manual handle cooperate for engagement with each other in locking the four link mechanism and hence the back in immovable position against a gravity of a passenger.
REFERENCES:
patent: 2576343 (1951-11-01), Hibbard et al.
patent: 3481646 (1969-12-01), Tabor
patent: 3736025 (1973-05-01), Ziegler et al.
patent: 3968993 (1976-07-01), Doyle
Aisin Seiki Kabushiki Kaisha
Lyddane William E.
Shatai Kogyo Kabushiki Kaisha
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