All the construction details and elements of the collapsible door are shown via images in this presentation. Hope it may help you in any way if it could. Please feel free to share or to give any kind of feedback. Thank you. :)

1. COLLAPSIBLE DOOR

2. COLLAPSIBLEDOOR

3. COLLAPSIBLEDOOR
OPEN POSITION CLOSED POSITION

4. COLLAPSIBLEDOOR
20X3 M.S. STRIPS
30X30 M.S. ANGLE FRAME 12mm SQ. BAR FIXED RIVET
MOVABLE RIVET
INSIDE CHANNELS
20X7X3 CHANNELS

5. COLLAPSIBLE DOOR
WHEEL
TRACK IN FOLDED POSITION
FOLDABLE TRACK

6. COLLAPSIBLEDOOR
HANDLE LOCKING ARRANGEMENT

7. COLLAPSIBLEDOOR
ADVANTAGES:
1. OCCUPIES LESS SPACE
2. MEMBERS ARE VERY STRONG
3. COMMUNICATION THROUGH CLOSED DOOR POSSIBLE
DISADVANTAGES:
1. NOT PLEASING IN APPRERANCE AESTHETICALLY
2. WEAKEST POINT IS THE LOCK. IF LOCK IS BROKEN DOOR HAS NO
SECURITY.
3. MAKES NOISE DURING CLOSING AND OPENING
4. WHEELS AND TRACK REQUIRE MAINTENANCE

8. THANK YOU!