Patent ID: 6516569
Filing Date: 2003-02-11
Classification: E05B,Y10S,Y10T

Abstract:
A door for restricting access to an area, said door comprising:a door frame; said door frame being disposed in an opening; at least one door panel; said at least one door panel being movably mounted in said door frame to permit opening andclosing of said at least one door panel; a locking mechanism; said locking mechanism being configured to permit locking and unlocking of said at least one door panel to control the opening and closing of said at least one door panel; a door terminal; said door terminal comprising: a mounting plate; said mounting plate being fixed to one of: said door frame or an adjacent building structure; a box-shaped housing; said housing being movably and detachably connected to said mounting plate and configured to hinge away from said mounting plate; said housing comprising a.top surface and a bottom surface disposed opposite said top surface; said housing comprising a front surface disposed between said top surface and said bottom surface; an unlocking device being disposed in said housing; said unlocking device being operatively connected to said locking mechanism to permit unlocking of said locking mechanism upon said locking mechanism being locked; said unlocking device comprising a pushbutton; said pushbutton being configured to be pushed to activate said unlocking device to unlock said at least one door panel; said unlocking device further comprising a protective cover plate to protect said pushbutton from accidental operation; an alarm being disposed in said housing; said alarm being operatively connected to said pushbutton and being configured to emit an audible sound upon pushing of said pushbutton; said housing comprising a switch between said housing and said mounting plate to permit detection of unauthorized movement of said housing away from said mounting plate; said housing comprising a profile cylinder being disposed in said front surface and being configured to permit access into said housing to permit: (a) deactivation of said switch between said housing and said mounting plate to permit authorized movement of said housing away from said mounting plate, and (b) activation of said switch between said housing and said mounting plate to permit detection of unauthorized movement of said housing away from said mounting plate; said mounting plate comprising a curve lip which forms an elongated channel with a substantially U-shaped cross-section; said elongated channel having a length, a width, and a depth; said length being substantially greater than said width and said depth; said bottom surface of said housing having an elongated slot opening disposed adjacent an edge of said bottom surface; said slot opening and said edge of said bottom surface together defining an elongated web portion being configured to engage with said curved lip of said mounting plate to align said housing with said mounting plate and to permit pivoting of said housing with respect to said mounting plate; said housing being configured to be supported on said curved lip of said mounting plate, and to rest against one of: said door frame or an adjacent building structure, upon movement of said housing away from said mounting plate to permit a service technician to perform service work on said door terminal without the service technician having to support said housing by manually holding said housing; said mounting plate comprising a stop; said housing comprising a latch; said housing being configured to rest against and be positioned by said stop; and said latch being configured to rest against said stop to secure said housing to said mounting plate to prevent unauthorized movement of said housing away from said mounting plate.