Height adjustment mechanism for chair components

Details Height adjustment mechanism for chair components Height adjustment mechanism for chair components

1996-06-24

1997-12-09

Brown, Peter R.

Chairs and seats

Movable back

A47C 746

Patent

active

056952490

ABSTRACT:
An improved height adjustment mechanism for vertically positioning and releasably locking one chair component relative to another chair component. The mechanism generally used for vertically adjusting position of chair backrest and armrests. The improved height adjustment mechanism comprises a J-bar and a slidably interlocking channel component having a slot with multiple vertical lock notches. A latch bar is pivotally mounted on the J-bar having a latch tip which releasably engages lock notches on the channel component.

REFERENCES:
patent: 3854772 (1974-12-01), Abrahamson et al.
patent: 4451084 (1984-05-01), Seeley
patent: 4639039 (1987-01-01), Donovan
patent: 4749230 (1988-06-01), Tornero
patent: 5324096 (1994-06-01), Schultz
patent: 5382079 (1995-01-01), Wilson et al.

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