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Fit Parameters
The principle that the seat should fit the sitter is the most universally employed concept in seating ergonomics. When determining the limitations, we need to identify the members of the population who represent the extreme of the accommodation range.
Table 1 - Fit Parameters for Optimal
Comfort
|
Parameters |
Recommendations (mm) |
|
|
Not less than: |
Not more than: |
|
|
Cushion Width |
||
|
Actual width at H-point |
432 |
- |
|
Clearance at H-point |
500 |
- |
|
Width in front of cushion |
500 |
- |
|
Cushion Length |
||
|
Forward of H-point on thigh line |
- |
305 |
|
Backrest Width |
||
|
At waist (220 mm above H-point) |
360 |
- |
|
At chest (318 mm above H-point) |
456 |
- |
|
Height of side bolsters above H-point |
- |
288 |
|
Backrest Height |
410 |
550 |
Diagram of the optimal fit parameters
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