Supporting means for folding doors

Claim 1

Supporting means for folding doors having first and second hinged door panels, comprising an overhead track formed with a base member and spaced depending side members having inwardly extending flanges, a pivot block slidably mounted in said track with the upper and lower surfaces of said block respectively engaging said base member and said flanges, said upper surface being formed with a bifurcated end portion and an abutment end portion separated by an intermediate depressed portion, a vertically extending two section slotted opening formed in said block with the first section having a predetermined width greater than the predetermined width of said second section, a recess formed in said intermediate surface around said second section, a slide member mounted on said pivot block and having a cap portion slidably mounted on said intermediate depressed portion, a stem connected to said cap portion and slidably disposed within said bifurcated end portion, wall means on said cap portion defining a chamber having an open side of predetermined width, an actuating arm depending from said stem and adapted to engage the lower surface of said flanges on said track for moving said slide member from a locked position wherein said wall means overlies said recess to an unlocked position wherein said chamber overlies said recess, a pivot pin mounted on said first panel and having an enlarged head, said pivot pin being adapted for passage through said two section slotted opening to bring said enlarged head into said chamber when said slide is in the unlocked position whereby said head may be lowered into said recess, said slide when moved to locked position being disposed with the wall means overlying said recess to prevent said head from being removed from said recess, means for securing said pivot block in position on said track, and a guide mounted on said second panel aNd slidably disposed in said overhead track.