Chairs and seats – Armrest – Attachable to diverse chairs or seats; i.e. – portable
Patent
1988-05-24
1990-04-17
McCall, James T.
Chairs and seats
Armrest
Attachable to diverse chairs or seats; i.e., portable
297116, 297232, 297412, A47C 754
Patent
active
049174380
ABSTRACT:
An adjustable-width seating unit for a passenger-carrying vehicle has a pillar pivotally connected to its support frame to swing about a first axis substantially longitudinally disposed with respect to the seating unit, an armrest mounted on the pillar and rotatable relative to the pillar about a second axis, fixed relative to the pillar and substantially longitudinally disposed with respect to the seating unit. On swinging the pillar about the first axis the armrest may be moved between laterally-spaced positions and by rotating the armrest about the second axis its angular disposition relative to the seating unit may be maintained.
A detent adjacent to the pivotal connection of the pillar to the frame locates the pillar positively but releasably in its respective positions and a detent adjacent to the rotational mounting of the armrest similarly locates the armrest in different angular positions relative to the pillar. The arrangement can be such that both detents may be released in a single action.
An adjustable-width seating unit may have at least two such armrests, spaced apart laterally to define a seat between them, the width of which can be varied by moving at least one of the armrests between laterally-spaced positions.
If a back support part of the seating unit is reclinable, with the usual locking means for fixing it in any desired angular position with respect to the support frame, a device may be included for de-activating the locking means in a selected position of the pillar.
REFERENCES:
patent: 2781828 (1957-02-01), Ferrar
patent: 3063752 (1962-11-01), Moore
patent: 3586374 (1971-06-01), Laessker
patent: 3926473 (1975-12-01), Hogan
patent: 4533175 (1985-08-01), Brennan
Flight Equipment & Engineering Limited
McCall James T.
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