Patent ID: 6209171
Filing Date: 2001-04-03
Classification: E05D,E05Y,Y10T

Abstract:
Apparatus for use in mounting a door on an overhead track comprisinga carriage assembly constructed and arranged to be moved horizontally along the track in such a way as to limit upward movement thereof,a door mounted assembly constructed and arranged to be mounted on an upper edge of the door so as to be moved with the door,a first of said assemblies including a vertically extending locking member and a second of said assemblies having a locking member receiving opening therein,movable locking structure constructed and arranged with respect to the second of said assemblies to be moved between a locking position and a releasing position,a spring constructed and arranged to resiliently bias said movable locking structure into said locking position,said door mounted assembly being movable with the door (1) into an initial position wherein the locking member is in an initial vertically aligned position with respect to said locking member receiving opening and (2) from said initial position upwardly into a locking position wherein said locking member is in a locking position within said opening,said locking member and said movable locking structure having interengaging cam surfaces constructed and arranged (1) to enable the movement of said door mounting assembly from the initial position thereof to the locking position thereof to move said movable locking structure from the locking position thereof toward the releasing position thereof against the bias of said spring and (2) to allow said movable locking structure to return to the locking position thereof when the locking position of the locking member is reached,said locking member and said movable locking structure including upwardly and downwardly facing interengaging locking surfaces constructed and arranged when said locking member and said movable locking structure are in the locking positions thereof to lock said locking member in locking relation within said opening, anda manually actuated releasing member carried by the second of said assemblies for manual movement from a normal inoperative position into a releasing position,said releasing member being constructed and arranged with respect to said movable locking structure when said locking member is in locking relation within said opening to effect movement of said movable locking structure from the locking position thereof into the releasing position thereof in response to the manual movement of said releasing member from the normal inoperative position into the releasing position thereof to enable the door mounted assembly to move downwardly with the door into released relation with respect to said carriage assembly.