Patent ID: 6378593
Filing Date: 2002-04-30
Classification: E06B

Abstract:
A manual drive system for operating a protective covering for a window, door or other building opening, comprising:a guide residing in a wall of said building and being affixed to said building; said guide includes a sliding, retractable extension arm; a spring operable between said guide and said retractable extension arm; an access panel in a wall of said building; said sliding, retractable extension arm being pivotally attached to said access panel; a pulley and a pulley engaging device for operating said protective covering residing within a wall of the building; said access panel being retractably and rotatably moveable from a first position adjacent said wall of said building to a second position spaced away from said building under the influence of an external force such as a hand of a person thus enabling access to said pulley engaging device so as to operate said pulley and said protective covering.