BS ISO 5721:1989
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
View Superseded by
Tractors for agriculture. Operator\'s field of vision
Hardcopy , PDF
28-02-2014
English
31-07-2010
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Foreword
Introduction
1 Scope
2 Normative references
3 Definitions
4 Measurement accuracy
5 Eye position
6 Practical method
7 Mathematical method
8 Test report
Specifies practical and mathematical methods of determining the masking effects of obstructions on the angles of vision forward, to the rear and upwards of seated operators of tractors for agriculture.
| Committee |
AGE/6
|
| DevelopmentNote |
Issue Date: 31/07/2010. Supersedes BS 6389(1983). (07/2010)
|
| DocumentType |
Standard
|
| Pages |
16
|
| PublisherName |
British Standards Institution
|
| Status |
Withdrawn
|
| SupersededBy | |
| Supersedes |
This International Standard specifies practical and math-ematical methods of determining the masking effects of obstructions on thc angles sf Vision forward, to the rear and upwards of seated Operators of tractors for agriculture.
lt does not take account of detachable implements and mounted elements, for example front loaders, pallets, etc.
| Standards | Relationship |
| ISO 5721:1989 | Identical |
| ISO 5353:1995 | Earth-moving machinery, and tractors and machinery for agriculture and forestry Seat index point |
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