locking snap-type fastener.
and back pads. (See
figure 10-16). This fastener opens only when
lifted from the side, with the dot located
on the top of the button. When installing
this snap fastener, you should ensure that
you install the three-way locking snap in
the position that you want to be opened.
This type of snap should never be used
where any quick-opening devices or quick-
releasing action is required.
The curtain type fastener (lift-the-dot)
is stocked in two sizeslarge and small.
(See figure 10-17). These fasteners have many
uses, especially for truck and boat covers.
The small lift-the-dot is the same as the
large one, and designed on a smaller scale
for use on lighter work where the bulkiness
and weight of the large lift-the-dot are not
INTERLOCKING SLIDE FASTENERS
Tasks are accomplished more easily and
quickly through the use of interlocking fasteners.
For example, they save precious seconds for
an aircrewman when he is donning his flight
clothing or exposure suit. These fasteners
also provide the repairman with a means of
easy access to items that require inspections.
The types of interlocking slide fasteners
(zippers) used on flight clothing and other
items of aviation equipment are shown in
Figure 10-15.Large curtain-type fastener (lift-the-dot).