GB/T 11563-1995 English PDF (GBT11563-1995)

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GB/T 11563-1995: Motor vehicles--Procedure for H-point determination
GB/T 11563-1995
GB
NATIONAL STANDARD OF THE
PEOPLE’S REPUBLIC OF CHINA
ICS 43.020
T 26
Motor vehicles - Procedure for H-point determination
ISSUED ON. NOVEMBER 16, 1995
IMPLEMENTED ON. MAY 01, 1996
Issued by. National Technical Supervision Bureau
Table of Contents
1 Subject content and scope of application ... 3
2 Terms ... 3
3 Description of the three-dimensional H-point machine ... 5
4 Installation procedure for the three-dimensional H-point machine ... 6
Motor vehicles - Procedure for H-point determination
This Standard is equivalent to the International Standard ISO 6549-1980 “Road
vehicles - Procedure for H-point determination”.
1 Subject content and scope of application
This Standard specifies the procedure for determining the H-point position of a
seat using a three-dimensional H-point machine.
This Standard applies to the design and inspection of any motor vehicles of
which the vertical distance between the driver heel point and the R-point is less
than 550 mm, and the torso angle is greater than 5° or of which the angle
between the thigh centreline as indicated by the thigh bar and the horizontal
line is greater than 5°.
2 Terms
2.1 Three-dimensional H-point machine
Device used for the determination of the H-point of a seat.
2.2 H-point
Pivot center of the torso and thigh of the three-dimensional H-point machine,
which is located on the centreline of the device which is between the H-point
sight buttons on either side of the H-point machine.
2.2.1 “R-point” refers to “seating reference point”
It refers to the design H-point specified by the manufacturer, which
a. establishes the rearmost normal driving or riding position of each
designated seating position as specified by the manufacturer, which
accounts for all modes of adjustment (horizontal, vertical and tilt) that are
available for the seat;
b. has coordinates established with respect to the designed vehicle structure;
c. simulates the position of the pivot centre of the human torso and thigh;
d. is the reference point for placing a two-dimensional body model;