ISO 3776-1:2006
(Main)Tractors and machinery for agriculture - Seat belts - Part 1: Anchorage location requirements
Tractors and machinery for agriculture - Seat belts - Part 1: Anchorage location requirements
ISO 3776-1:2006 specifies the location, relative position and threaded hole dimensions of the anchorages for pelvic restraint (seat) belt assemblies intended to be used by the operators of agricultural tractors and self-propelled machinery.
Tracteurs et matériels agricoles — Ceintures de sécurité — Partie 1: Exigences relatives à l'emplacement des ancrages
L'ISO 3776-1:2006 établit l'emplacement, la position relative et les dimensions des taraudages des ancrages d'assemblages de ceintures de sécurité pelviennes pour conducteurs de tracteurs et engins automoteurs agricoles.
General Information
- Status
- Published
- Publication Date
- 11-Sep-2006
- Technical Committee
- ISO/TC 23/SC 3 - Safety and comfort
- Drafting Committee
- ISO/TC 23/SC 3 - Safety and comfort
- Current Stage
- 9060 - Close of review
- Completion Date
- 02-Sep-2030
Relations
- Effective Date
- 15-Apr-2008
Overview
ISO 3776-1:2006 is an international standard specifying the anchorage location requirements for seat belts used in agricultural tractors and self-propelled machinery. This standard ensures the proper positioning and dimensions of anchorages for pelvic restraint seat belt assemblies, enhancing operator safety during normal operation and roll-over conditions. Developed by ISO Technical Committee 23, this document aligns with related standards to harmonize safety measures across agricultural machinery.
Key Topics
- Anchorage Location: ISO 3776-1 defines the exact location zones for anchorages relative to the seat and tractor frame, ensuring consistent safety positioning.
- Seat Index Point (SIP): The seat index point is the key reference for locating anchorages and is determined according to ISO 5353 or seat manufacturer specifications.
- Anchorages Count: Two anchorages per seat belt system are required, positioned to allow optimal pelvic restraint.
- Webbing Angle: The seat belt webbing should be angled approximately 45° to the horizontal plane to maximize safety and comfort, with allowable angles between 10° and 75°.
- Threaded Hole Specifications: Anchorages use standardized threaded holes (7/16-20 UNF 2B), ensuring secure and interchangeable mounting points. Alternative thread sizes like 1/2-13 UNC 2A or M12 are permitted if other requirements are met.
- Zone Constraints: Anchorages must lie within specific zones relative to the seat cushion and SIP, preventing unsafe belt positioning or excessive movement.
- Compatibility: Anchorages conforming to ISO 6683 are also compliant with ISO 3776-1, facilitating cross-sector harmonization.
Applications
- Agricultural Tractors: Ensures seat belt anchorages are positioned correctly for both operator safety and comfort during field work.
- Self-propelled Agricultural Machinery: Applies mounting requirements for seat belts in combines, harvesters, and other machinery with operator seats.
- Seat and Safety System Manufacturers: Provides exact anchorage location and dimension requirements for designing and supplying compliant seat belt systems.
- Agricultural Equipment Manufacturers: Helps integrate safe restraint systems into tractor and machinery designs, meeting international safety regulations.
- Regulatory Compliance: Assists authorities and certification bodies in verifying seat belt anchorage compliance for farm vehicles.
Related Standards
- ISO 5353: Defines the seat index point (SIP) for earth-moving machinery and agricultural tractors, used as a key reference in ISO 3776-1.
- ISO 3776-2: Specifies the anchorage strength requirements for seat belt systems, complementing the location criteria established in ISO 3776-1.
- ISO 6683: Covers performance requirements and testing of seat belts and anchorages for earth-moving machinery, providing an alternative compliance path for anchorages.
- OECD Code for Agricultural Tractors: Jointly published with ISO 3776-2 for strength testing protocols, promoting unified safety validation.
Adherence to ISO 3776-1:2006 is essential for ensuring the safe installation and operation of seat belts in agricultural environments, reducing injury risk in accidents. This standard supports manufacturers and operators in achieving internationally recognized safety benchmarks for farm machinery seat restraint systems.
Frequently Asked Questions
ISO 3776-1:2006 is a standard published by the International Organization for Standardization (ISO). Its full title is "Tractors and machinery for agriculture - Seat belts - Part 1: Anchorage location requirements". This standard covers: ISO 3776-1:2006 specifies the location, relative position and threaded hole dimensions of the anchorages for pelvic restraint (seat) belt assemblies intended to be used by the operators of agricultural tractors and self-propelled machinery.
ISO 3776-1:2006 specifies the location, relative position and threaded hole dimensions of the anchorages for pelvic restraint (seat) belt assemblies intended to be used by the operators of agricultural tractors and self-propelled machinery.
ISO 3776-1:2006 is classified under the following ICS (International Classification for Standards) categories: 65.060.10 - Agricultural tractors and trailed vehicles. The ICS classification helps identify the subject area and facilitates finding related standards.
ISO 3776-1:2006 has the following relationships with other standards: It is inter standard links to ISO 3776:1989. Understanding these relationships helps ensure you are using the most current and applicable version of the standard.
You can purchase ISO 3776-1:2006 directly from iTeh Standards. The document is available in PDF format and is delivered instantly after payment. Add the standard to your cart and complete the secure checkout process. iTeh Standards is an authorized distributor of ISO standards.
Standards Content (Sample)
INTERNATIONAL ISO
STANDARD 3776-1
First edition
2006-09-15
Tractors and machinery for agriculture —
Seat belts —
Part 1:
Anchorage location requirements
Tracteurs et matériels agricoles — Ceintures de sécurité —
Partie 1: Exigences relatives à l'emplacement des ancrages
Reference number
©
ISO 2006
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ii ISO 2006 – All rights reserved
Foreword
ISO (the International Organization for Standardization) is a worldwide federation of national standards bodies
(ISO member bodies). The work of preparing International Standards is normally carried out through ISO
technical committees. Each member body interested in a subject for which a technical committee has been
established has the right to be represented on that committee. International organizations, governmental and
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International Standards are drafted in accordance with the rules given in the ISO/IEC Directives, Part 2.
The main task of technical committees is to prepare International Standards. Draft International Standards
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International Standard requires approval by at least 75 % of the member bodies casting a vote.
Attention is drawn to the possibility that some of the elements of this document may be the subject of patent
rights. ISO shall not be held responsible for identifying any or all such patent rights.
ISO 3776-1 was prepared by Technical Committee ISO/TC 23, Tractors and machinery for agriculture and
forestry, Subcommittee SC 3, Safety and comfort of the operator.
This first edition of ISO 3776-1, together with ISO 3776-2, cancels and replaces ISO 3776:1989, of which it
constitutes a technical revision. Notably, it incorporates the following changes:
— the seat index point (SIP) is used as the reference point;
— the relative position of the anchorages has been aligned with ISO 6683;
— the strength testing of the anchorages is now dealt with exclusively by ISO/OECD 3776-2.
These modifications allow the alignment of ISO standards developed for different sectors and the harmonization
of strength testing of seat belts and their anchorages according to ISO and OECD.
ISO 3776 consists of the following parts, under the general title Tractors and machinery for agriculture — Seat
belts:
— Part 1: Anchorage location requirements
— Part 2: Anchorage strength requirements [joint publication with OECD]
©
ISO 2006 – All rights reserved iii
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iv
INTERNATIONAL STANDARD ISO 3776-1:2006(E)
Tractors and machinery for agriculture — Seat belts —
Part 1:
Anchorage location requirements
1Scope
This part of ISO 37
...
NORME ISO
INTERNATIONALE 3776-1
Première édition
2006-09-15
Tracteurs et matériels agricoles —
Ceintures de sécurité —
Partie 1:
Exigences relatives à l'emplacement des
ancrages
Tractors and machinery for agriculture — Seat belts —
Part 1: Anchorage location requirements
Numéro de référence
©
ISO 2006
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Web www.iso.org
Publié en Suisse
©
ii ISO 2006 – Tous droits réservés
Avant-propos
L'ISO (Organisation internationale de normalisation) est une fédération mondiale d'organismes nationaux de
normalisation (comités membres de l'ISO). L'élaboration des Normes internationales est en général confiée
aux comités techniques de l'ISO. Chaque comité membre intéressé par une étude a le droit de faire partie du
comité technique créé à cet effet. Les organisations internationales, gouvernementales et non
gouvernementales, en liaison avec l'ISO participent également aux travaux. L'ISO collabore étroitement avec la
Commission électrotechnique internationale (CEI) en ce qui concerne la normalisation électrotechnique.
Les Normes internationales sont rédigées conformément aux règles données dans les Directives ISO/CEI,
Partie 2.
La tâche principale des comités techniques est d'élaborer les Normes internationales. Les projets de Normes
internationales adoptés par les comités techniques sont soumis aux comités membres pour vote. Leur
publication comme Normes internationales requiert l'approbation de 75 % au moins des comités membres
votants.
L'attention est appelée sur le fait que certains des éléments du présent document peuvent faire l'objet de droits
de propriété intellectuelle ou de droits analogues. L'ISO ne saurait être tenue pour responsable de ne pas avoir
identifié de tels droits de propriété et averti de leur existence.
L'ISO 3776-1 a été élaborée par le comité technique ISO/TC 23, Tracteurs et matériels agricoles et forestiers,
sous-comité SC 3, Sécurité et confort de l'opérateur.
Cette première édition de l’ISO 3776-1, avec l’ISO 3776-2, annule et remplace l’ISO 3776:1989, qui a fait l’objet
d’une révision technique, comprenant notamment les modifications suivantes:
— le point repère du siège (SIP) sert de point de référence;
— la position relative des ancrages est alignée sur celle définie dans l’ISO 6683;
— les essais relatifs à la résistance des ancrages sera désormais exclusivement traitée par
l’ISO/OECD 3776-2.
Ces modifications permettent l’alignement des normes ISO élaborées pour différents secteurs et
l’harmonisation internationale des essais de résistance des ceintures de sécurité et de leurs ancrages sur les
principes de normalisation de l’ISO et de l’OCDE.
L'ISO 3776 comprend les parties suivantes, présentées sous le titre général Tracteurs et matériels agricoles —
Ceintures de sécurité:
— Partie 1: Exigences relatives à l'emplacement des ancrages
— Partie 2: Exigences relatives à la résistance des ancrages [publication conjointe avec l’OCDE]
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NORME INTERNATIONALE ISO 3776-1:2006(F)
Tracteurs et matériels agricoles — Ceintures de sécurité —
Partie 1:
Exigences relatives à l'emplacement des ancrages
1 Domaine d'application
La présente partie de l'ISO 3776 établ
...
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