Patent ID: 6280315
Filing Date: 2001-08-28
Classification: B60H

Abstract:
A two-way hingeless ventilator for ventilating an enclosure through a wall thereof, comprising:a frame, said frame defining an opening therethrough;a closure member disposed against an outer side of said frame and alternately swingable relative to said frame between open and closed positions at opposite sides of said opening;a tensioning rod non-movably fixed on said frame and extending between opposite sides of said opening;an actuating member extending from an inner side of said closure member through said opening and intermediate ends of said tensioning rod;a positioning slot defined in said actuating member through which said tensioning rod passes in a tensioned condition to apply a closing force to said closure member, said positioning slot comprising a central position defining a closed position of said closure member, and opposite side slots extending away from said central position; andwherein said closure member is variably movable relative to said tensioning rod from said closed position to oppositely facing open positions along said side slots by an operator rotating said actuating member causing said tensioning rod to engage along either of said side slots in its tensioned condition.