Chairs and seats – Movable bottom – Tiltable
Patent
1987-03-17
1987-12-29
Zugel, Francis K.
Chairs and seats
Movable bottom
Tiltable
297330, 297429, 248430, A47C 102
Patent
active
047156546
ABSTRACT:
This chair (10) includes a base portion (12), a seating portion (14) mounted for arcuate movement on said base portion (12), and an adjustable footrest assembly (40). The footrest assembly (40) includes opposed guide members (46) and a footrest (52) having opposed arms (54) which are received by the guide members (46) in sliding relation and are adjustably movable between an extended, elevated position to a retracted stored position. A drive assembly (62) is provided which includes spaced shafts (64, 66) carrying endless conveyor members (70) which are connected to the arms (54). The guide members (46) and the received arms (54) are arcuately configurated. A control system (100) including a longitudinal belt (102) attached to the upper seating portion (14) and received by a clamping assembly (106) attached to the base portion (12) provides for selective arresting of the seating portion (14) relative to the base portion (12) in a desired position.
REFERENCES:
patent: 240050 (1881-04-01), Starr
patent: 805805 (1905-11-01), Loose
patent: 1048306 (1912-12-01), Greilick
patent: 2151729 (1939-03-01), Baker
patent: 2169550 (1939-08-01), Arends
patent: 2834032 (1958-05-01), Scott
patent: 3232575 (1966-02-01), Ferro
patent: 4479626 (1984-10-01), Kluting et al.
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