OFM'S ERGONOMIC GUIDE APPLIED TO EXECUTIVE SEATING

AUTHOR: David A. Zimmerman

From a human engineering point of view, OFM, Inc. follows an Ergonomic Adjustment Guide taking into consideration the following design considerations:

First, they manufacture a height adjustable office chair. Then, the back height is set and the backrest adjusts up and down, the back angle pitch adjusts independently of the seat.

The seat tilt allows both seat and back pitch to adjust in unison, tilt tension adjusts the pressure needed to tilt, and tilt lock prevents the chair from further tilting.

Seat angle and knee tilt provide for pitch adjustments forward and backward, and the seat and back tilt adjust in unison pivoting from the knee.

Back depth and seat depth allow for forward and backward positions. Arm height and arm width adjust up and down as well as in and out.

Arm swivel and arm slide allow for inward and outward, forward and back adjustments.

The synchronic mechanism tilt motion is a 3 to 1 ration back to seat. Lumbar Support is either adjustable or permanent and tilt forward.

From their full line of Executive Seating, I have selected the following seven examples detailing the characteristics of each chair.

452 Upholstered Executive/Conference Chair
This handsomely tufted high back executive conference chair has a 5" thick seat cushion, and fabric-padded arms to make this one comfortable chair! They are heavy duty office chairs as well. Matching mid-back and guest chairs enhance any conference room. The seat swivels 360 degrees. It has a gas lift seat height adjustment and smooth seat tilting action. Tilt tension adjusts easily. It has a front tilt and lock back adjustment and built-in lumbar support. It comes in a stain-resistant fabric and standard casters included. The weight capacity is 250 lbs. and it meets or exceeds ANSI/BIFMA standards.

500L Promotional High Back Chair (Leather)
Their executive leather office chairs are a tremendous value! It is a comfortable high-back executive chair with built-in lumbar support and headrest pillow. First quality leather and durable polyurethane arms make this chair a great buy! The seat swivels 360 degrees. It has a gas lift seat height adjustment, smooth seat tilting action and the tilt tension adjusts easily. It has built-in lumbar support and standard casters are included. The weight capacity 250 lbs. and it meets or exceed ANSI/BIFMA standards.

560L Hi-Back Executive Leather

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