Simpson SEAT BELT - Manual (Page 3)

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Version 1
inboard from each side by as much as 45 degrees. This has been seen to help the head restraints stay in place
better in multiple and high angle side impacts. (see Figure 1a) Each shoulder belt needs to be mounted with its
own anchor, not routed to a single anchor. Each anchor needs to be able to withstand at least a 2500# shock
load.
Figure 1a: Shoulder Belt Mounts – Top View
The shoulder belt adjusters need to be located low on the chest. In a frontal impact, the torso will slide under
the shoulder belts, making the adjusters rise up the chest. It is undesirable to have the adjusters contact the
sides of the neck.
The Shoulder Belt Mounting for a Reclined Seating Position ( Less than 65 Degrees of back angle )
The shoulder belts should be mounted similarly to the upright seating position with the exception that the angle off
the shoulder should be moved with the increased back angle to be 90 +20 - 0 degrees to the back angle at the
shoulder.
Figure 2: 5 & 6 Point Mounts
The Shoulder Belts may be angled in
toward the center of the driver. They may
also cross in this configuration.
When using a high angle or crossing the
belts, the seat belt hole in the seat should
be a single hole with no separator in the
middle.
5 Point Mount
Location
5 Point Mount