A revolving door construction includes an elongated pivot column and a plurality of spaced barrier members arranged in at least one row wherein a first end of each of the barrier members is secured to the pivot column. A support bar is spaced from the pivot column. The support bar has a plurality of...http://www.google.com/patents/US5357711?utm_source=gb-gplus-sharePatent US5357711 - Support bar for turnstile arms