Patent ID: 6845589
Filing Date: 2005-01-25
Classification: E01F,E05B

Abstract:
1. A gate for controlling passage through an opening including: a first support means located on one side of the opening; a second support means located on an opposite side of the opening; at least one elongate member, having a first and a second end, extendable across the opening between said first and second support means; a first drive means to draw in said elongate member to thereby restrict passage through said opening; a control means for coupling and decoupling said first drive means; wherein decoupling of said first drive means allows for release of said at least one elongate member to thereby enable passage through said opening and coupling of said first drive means allows for drawing in said at least one elongate member to thereby restrict passage through said opening; and a locking means to prevent unwanted release of said at least one elongate member, wherein said locking means includes a latch means adapted to engage a termination means attached to said at least one elongate member.