% Author: Prof. Dr. Mathtias Jung, DL9MJ
% Year: 2023
\begin{tikzpicture}

    \def\d{3}   % Distance between plates, and lenght of arms
    \def\t{0.2} % Thickness of plates 
    \def\o{0.1} % Overlap
    
    \draw(0,0)
        ++(  0, 0.00) coordinate(s1) to [open] ++(\d,0) coordinate(e1)
        ++(-\d,-0.25) coordinate(s2) to [open] ++(\d,0) coordinate(e2)
        ++(-\d,-0.25) coordinate(s3) to [open] ++(\d,0) coordinate(e3)
        ++(-\d,-0.25) coordinate(s4) to [open] ++(\d,0) coordinate(e4)
        ++(-\d,-0.25) coordinate(s5) to [open] ++(\d,0) coordinate(e5)
        ++(-\d,-0.25) coordinate(s6) to [open] ++(\d,0) coordinate(e6)
        ++(-\d,-0.25) coordinate(s7) to [open] ++(\d,0) coordinate(e7)
        ++(-\d,-0.25) coordinate(s8) to [open] ++(\d,0) coordinate(e8)
        ++(-\d,-0.25) coordinate(s9) to [open] ++(\d,0) coordinate(e9)
        ++(-\d,-0.25) coordinate(sA) to [open] ++(\d,0) coordinate(eA)
        ++(-\d,-0.25) coordinate(sB) to [open] ++(\d,0) coordinate(eB)
        ++(-\d,-0.25) coordinate(sC) to [open] ++(\d,0) coordinate(eC)
        ++(-\d,-0.25) coordinate(sD) to [open] ++(\d,0) coordinate(eD)
        ++(-\d,-0.25) coordinate(sE) to [open] ++(\d,0) coordinate(eE)
        ++(-\d,-0.25) coordinate(sF) to [open] ++(\d,0) coordinate(eF);

    \draw[-Triangle, gray](s1) -- (e1);
    \draw[-Triangle, gray](s2) -- (e2);
    \draw[-Triangle, gray](s3) -- (e3);
    \draw[-Triangle, gray](s4) -- (e4);
    \draw[-Triangle, gray](s5) -- (e5);
    \draw[-Triangle, gray](s6) -- (e6);
    \draw[-Triangle, gray](s7) -- (e7);
    \draw[-Triangle, gray](s8) -- (e8);
    \draw[-Triangle, gray](s9) -- (e9);
    \draw[-Triangle, gray](sA) -- (eA);
    \draw[-Triangle, gray](sB) -- (eB);
    \draw[-Triangle, gray](sC) -- (eC);
    \draw[-Triangle, gray](sD) -- (eD);
    \draw[-Triangle, gray](sE) -- (eE);
    \draw[-Triangle, gray](sF) -- (eF);

    \fill [black] ($(s1) + (0,\o)$) rectangle ($(sF) + (-\t,-\o)$);
    \fill [black] ($(e1) + (0,\o)$) rectangle ($(eF) + (+\t,-\o)$);

    \draw[line width=4pt](s8) ++(-\o,0) -- ++(-\d,0);
    \draw[line width=4pt](e8) ++(+\o,0) -- ++(+\d,0);
\end{tikzpicture}