Patent ID: 6341821
Filing Date: 2002-01-29
Classification: B60N,E02F

Abstract:
An ergonomic armrest and controls support assembly for heavy machinery operators comprisinga bracket which is secured to a side of a backrest at a position above a seat, a generally horizontally disposed bar forwardly extending from said bracket and having a rear and a front end, a first connector assembly consisting of a first and a second U-shaped member each having a web, these U-shaped members having overlapping horizontal flanges interconnected by a vertical pivot bolt and with said web of said first U-shaped member being pivoted to an outer end of a link by a first horizontal pivot bolt, said link being itself pivoted on a second horizontal pivot bolt secured to said bracket, a sleeve being secured to said second U-shaped member in which said rear end of said bar is slidably and non rotatably inserted, said first connector assembly connecting the rear end of said bar to said bracket, a manual controls support located forwardly of said front end, a second connector assembly consisting of an end plate, secured to said front end of said bar, and an L-shaped plate, pivoted against said end plate by means of a bolt and nut assembly, said second connector assembly connecting said manual controls support to the front end of said bar, said first and second connector assemblies capable of adjustably positioning said support relative to said bracket along a first axis X coaxial to said bar, a second axis Y coaxial to said second horizontal pivot bolt, and a third axis 7 coaxial to said vertical pivot bolt, an armrest located above said bar intermediate its front and rear ends and a third connector assembly connecting the underside of said armrest to said bar and capable of adjustably positioning said armrest above said bar to a selected height and inclination and to a selected distance from said bracket.