Height-adjustable chair arm assembly

Details Height-adjustable chair arm assembly Height-adjustable chair arm assembly

1998-11-13

2000-08-22

Brown, Peter R.

Chairs and seats

Armrest

Adjustable to multiple use positions relative to bottom or back

403361, 29741131, A47C 754

Patent

active

061060704

ABSTRACT:
A chair having height-adjustable arm assemblies mounted adjacent opposite sides of the seat. Each arm assembly includes a horizontally elongated armrest which adjacent one end is connected to an upper end of a support column. The support column is axially slidably supported within an elongate support tube which projects downwardly adjacent a side of the chair seat. The support column and support tube have a cooperating linear anti-friction bearing arrangement therebetween, the latter incorporating a resilient support track to eliminate circumferential clearance. A latch mechanism includes a movable latch member carried on the column and cooperating with a plurality of latch-receiving slots formed in the support tube. The latch member is activated by a push rod which projects upwardly through the support column, and at its upper end is activated by an actuating lever which is pivoted on and projects lengthwise of the armrest and terminates in an actuating button disposed under the front end of the armrest.

REFERENCES:
patent: 3038194 (1962-06-01), Arenson
patent: 3515417 (1970-06-01), Bowman
patent: 4636106 (1987-01-01), Waisbrod
patent: 5393124 (1995-02-01), Neil
patent: 5407249 (1995-04-01), Bonutti
patent: 5439267 (1995-08-01), Peterson et al.

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