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The universal EMC (electromagnetic compatibility) ground strap provides a good ground connection to sliding and hinged chassis and/or panels without restricting their movement.
English (United States)
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Universal EMC Ground Strap
The universal EMC (electromagnetic compatibility) ground strap provides a
good ground connection to sliding and hinged chassis and/or panels without
restricting their movement.
The accepted criteria of an optimum design for a ground strap is that it be
wide and as short as possible. Generally, machines having sliding drawers and
hinged panel features require unusually long ground straps.
The universal EMC ground strap consists of a first outer tubular body 10,
within which a second tubular body 12 is capable of telescoping. Both body
portions are made of a good electrical conducting material. The inner member 12
at the inner end thereof has a circular contact 14 made of a spring material which
bears against the inner side of the outer tubular element 10. The contact spring
14 makes a good sliding electrical connection to the inner tubular member 12. It
should be appreciated that the electrical connection made by the spring contact
14 is moved lengthwise along the inner side of the outer element 10 as the inner
tubular element 12 is pulled out of the element 10, making a longer ground strap.
The connection between the outer terminal 18 and the outer tubular member 10
is made of a flexible metal strap 16 to provide bending between the terminal and
the telescoping bodies of the ground strap. Similarly, the terminal 20 at the other
end is connected to the inner element 12 by a flexible metal strap 22 to give a
further bending freedom.