NF ISO 6533
Forestry machinery - Portable chain-saw front hand-guard - Dimensions and clearances
This International Standard specifies the dimensions and clearances for front hand-guards and their openings on portable hand-held chain-saws. These dimensions and clearances ensure the necessary safety provided by the hand-guard, which serves as both a shield between the operator's hand and the saw chain and as an actuator for manually operated chain brakes. For chain-saws with wrap around handles, this International Standard is not applicable to the portion of the front handle to the right (when viewed from the rear) of the top brace.
This International Standard specifies the dimensions and clearances for front hand-guards and their openings on portable hand-held chain-saws. These dimensions and clearances ensure the necessary safety provided by the hand-guard, which serves as both a shield between the operator's hand and the saw chain and as an actuator for manually operated chain brakes. For chain-saws with wrap around handles, this International Standard is not applicable to the portion of the front handle to the right (when viewed from the rear) of the top brace.
<p>This document specifies the dimensions and clearances for front hand-guards and their openings on portable hand-held chain-saws. These dimensions and clearances ensure the necessary safety provided by the hand-guard, which serves as both a shield between the operator's hand and the saw-chain and as an actuator for manually operated chain brakes. </p> <p>For chain-saws with wrap around handles (see Figure 1), this document is not applicable to the portion of the front handle to the right (when viewed from the rear) of the top brace.</p>
- Avant-proposiv
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1 Domaine d'application1
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2 Références normatives1
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3 Termes et définitions1
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4 Généralités2
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5 Dimensions des jauges2
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6 Détermination du point de référence X03
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7 Dimensions du protecteur de la main tenant la poignée5
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7.1 Largeur du protecteur de la main tenant la poignée avant, W15
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7.2 Hauteur du protecteur de la main tenant la poignée avant au-dessus de cette poignée, H1 et H1A6
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7.3 Ligne entre le point X0 et la partie la plus arrière de la chaîne non protégée7
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7.4 Ouvertures du protecteur de la main tenant la poignée avant, H38
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8 Dégagement entre le protecteur de la main tenant la poignée avant et le corps de la scie, H28
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9 Dégagements entre le protecteur de la main tenant la poignée avant et la poignée avant8
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