% Präambel
\documentclass[a4paper,12pt,parskip]{scrartcl}
\usepackage[ngerman]{babel}
\usepackage[utf8]{inputenc}
\usepackage[T1]{fontenc}
\pagestyle{empty}
\usepackage{tikz}

% document-Umgebung
\begin{document}
\begin{tikzpicture}[scale=0.5]
\draw[fill=red!50!white,very thick] (6mm,0)--(6mm,10mm)
   arc[start angle=0,end angle=180,radius=6mm] --(-6mm,0)
   --(-9mm,0)--(-9mm,-3mm)--(9mm,-3mm)--(9mm,0)--cycle ;
\draw (-9mm,0)--(9mm,0) ;
\draw[ultra thick] (-3mm,-3mm)--(-3mm,-33mm) ;
\draw[ultra thick] (3mm,-3mm)--(3mm,-27mm) ;
\node at (-6mm,-39mm) {A} ;   \node at (6mm,-33mm) {K} ;
%
\pgfmathsetmacro{\dt}{38mm}
\draw[fill=yellow!80!black,very thick] (\dt+6mm,0)--(\dt+6mm,10mm)
   arc[start angle=0,end angle=180,radius=6mm] --(\dt+-6mm,0) --
   (\dt+-9mm,0)--(\dt+-9mm,-3mm)--(\dt+9mm,-3mm)--(\dt+9mm,0)--cycle ;
\draw (\dt+-9mm,0)--(\dt+9mm,0) ;
\draw[ultra thick] (\dt-4mm,-3mm)--(\dt-4mm,-18mm) ;
\draw[ultra thick] (\dt-0mm,-3mm)--(\dt-0mm,-33mm) ;
\draw[ultra thick] (\dt+4mm,-3mm)--(\dt+4mm,-28mm) ;
\node at (\dt+-9mm,-23mm) {A\textsubscript{\small G}} ;
\node at (\dt+0mm,-39mm) {K} ;
\node at (\dt+9mm,-33mm) {A\textsubscript{\small R}} ;
\end{tikzpicture}
\end{document}