1. A method of equally spacing a predetermined number of items along a first path, comprising:
moving the items towards each other to minimize distances between the items;
engaging a gear mechanism with each item, the gear mechanism comprising crossed bars, wherein pairs of the bars are coupled at middle joints so that each pair of bars forms an X-shaped structure and opposite ends of an X-shaped structure are coupled at end joints to respective ends of neighboring X-shaped structures; and
activating the gear mechanism so that the gear mechanism acts upon each item and moves each item along the first path a predetermined distance to equally space the items.
2. The method of claim 1, further comprising disengaging the gear mechanism from each item.
3. The method of claim 1, wherein activating the gear mechanism causes the gear mechanism to expand in direction of the first path.
4. The method of claim 1, wherein activating the gear mechanism includes moving end pieces at a driving side of the gear mechanism towards each other, wherein the end pieces move along a second path that is substantially perpendicular to the first path.
5. The method of claim 1, wherein engaging the gear mechanism comprises removably coupling each item to an end joint.
6. The method of claim 1, wherein engaging the gear mechanism comprises removably coupling each item to a middle joint.
7. The method of claim 1, wherein the gear mechanism is a Nuremberg scissors.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1. A door assembly, comprising:
a door panel comprising a central portion, first and second panel edge portions, and a bottom retainer, the door panel further comprising a sealed double-walled structure for trapping an insulation;
a door frame coupled to the door panel and sized to form an aperture within which the door panel is displaceable between open and closed positions, the door frame comprising first and second frame edge portions, a bottom frame, and a bottom strike which individually cooperate with a respective one of the first and second panel edge portions and the bottom retainer of the door panel to provide a magnetic coupling when the door panel is in the closed position, the door frame further comprising a sealed doubled-walled structure for trapping an insulation, the bottom frame having a first hook, the bottom strike having a second hook; and
at least one coupler being retractable toward at least one respective side frame, wherein at least one of the at least one coupler, the door panel, or the door frame comprises a magnetic feature, and wherein travel of the at least one coupler is limited by a cooperation between the first hook and the second hook.
2. The door assembly according to claim 1, wherein the at least one coupler comprises a first laterally displaceable coupler formed in the first frame edge portion and a second laterally displaceable coupler formed in the second frame edge portion.
3. The door assembly according to claim 1, wherein the at least one coupler comprises a first coupler formed in the first panel edge portion and a second coupler formed in the second panel edge portion.
4. The door assembly according to claim 3, wherein each of the first and second panel edge portions of the door panel comprises a flexible material.
5. The door assembly according to claim 3, wherein each of the first and second panel edge portions of the door panel is outwardly displaceable relative to the central portion.
6. The door assembly according to claim 3, wherein each of the first and second panel edge portions is configured to outwardly extend relative to the central portion as the door panel is positioned in the closed position.
7. The door assembly according to claim 3, wherein each of the first and second panel edge portions is configured to inwardly retract relative to the central portion as the door panel is moved from the closed position.
8. The door assembly according to claim 3, wherein the first coupler is displaceable independent of the displacement of the second coupler.
9. The door assembly according to claim 3, wherein each of the first and second panel edge portions is structured as a flexible structure having a convoluted configuration and being displaceable by the magnetic force.
10. The door assembly according to claim 3, wherein the magnetic feature comprises at least one magnet formed in relation to each of the first and second panel edge portions of the door panel.
11. The door assembly according to claim 3, wherein the magnetic feature comprises at least one magnet formed in relation to each of the first and second frame edge portions of the door frame.
12. The door assembly according to claim 3,
wherein the door panel further comprises a bottom panel edge portion,
wherein the door assembly further comprises a bottom strike element located on a bottom side of the door frame to magnetically cooperate with the bottom panel edge portion of the door panel, and
wherein the bottom strike element is displaceably responsive to a magnetic force generated between the bottom strike element and the bottom panel edge portion.
13. The door assembly according to claim 3,
wherein the magnetic feature comprises at least one magnet formed in relation to each of the first and second panel edge portions of the door panel, and
wherein the magnetic feature comprises at least one magnet formed in relation to each of the first and second frame edge portions of the door frame.
14. The door assembly according to claim 3,
wherein the door frame comprises a top side, a bottom side, a left side, and a right side, and
wherein the door panel is coupled to the top side, the first frame edge portion is located at the left side, and the second frame edge portion is located at the right side.
15. The door assembly according to claim 1, further comprising a rod coupled to a top side of the door frame and configured to couple to the door panel to permit the displacement of the door panel between the open and closed positions.
16. The door assembly according to claim 1, wherein the door panel comprises a first portion and a second portion defining a cavity therein.
17. The door assembly according to claim 16, wherein the insulation comprises an insulating material formed in at least a portion of the cavity.
18. The door assembly according to claim 1, wherein the door panel comprises a flexible material.
19. The door assembly according to claim 1,
wherein a bottom portion of the door panel is concave, and
wherein a bottom portion of the door frame is convex to cooperate with the bottom portion of the door panel.
20. A door assembly, comprising:
a door panel comprising a top portion, a bottom portion, and left and right portions individually extending between the top and bottom portions, the bottom portion comprising a bottom retainer;
a first panel edge formed in at least a portion of the left portion of the door panel;
a second panel edge formed in at least a portion of the right portion of the door panel;
a door frame coupled to the top portion of the door panel and sized to form an aperture within which the door panel is displaceable between open and closed positions, the door frame comprising first and second frame edge portions, a bottom frame, and a bottom strike which individually cooperate with a respective one of the first and second panel edges and the bottom retainer of the door panel to provide a magnetic coupling when the door panel is in the closed position, the door frame further comprising a sealed doubled-walled structure for trapping an insulation, the bottom frame having a first hook, the bottom strike having a second hook; and
at least one coupler being retractable toward at least one respective side frame, wherein at least one of the at least one coupler, the door panel, or the door frame comprises a magnetic feature, and wherein travel of the at least one coupler is limited by a cooperation between the first hook and the second hook.
21. The door assembly according to claim 20, wherein the at least one coupler comprises a first coupler formed in the first frame edge portion and a second coupler formed in the second frame edge portion.
22. The door assembly according to claim 20, wherein the at least one coupler comprises a first coupler formed in the first panel edge and a second coupler formed in the second panel edge.
23. The door assembly according to claim 22, wherein each of the first and second panel edges of the door panel is outwardly displaceable relative to a central portion of the door panel.
24. The door assembly according to claim 20,
wherein the door panel further comprises a bottom panel edge portion,
wherein the door assembly further comprises a bottom strike element located on a bottom side of the door frame to magnetically cooperate with the bottom panel edge portion of the door panel, and
wherein the bottom strike element is displaceably responsive to a magnetic force generated between the bottom strike element and the bottom panel edge portion.
25. The door assembly according to claim 20, wherein the door panel comprises a flexible material.
26. A door assembly, comprising:
a door panel comprising a central portion, first and second panel edge portions, and a bottom retainer, the door anel further comprising a sealed double-walled structure for trapping an insulation;
a door frame coupled to the door panel and sized to form an aperture within which the door panel is displaceable between open and closed positions, the door frame comprising first and second frame edge portions, a bottom frame, and a bottom strike which individually cooperate with a respective one of the first and second panel edge portions and the bottom retainer of the door panel to provide a magnetic coupling when the door panel is in the closed position, the door frame further comprising a sealed doubled-walled structure for trapping an insulation, the bottom frame having a first hook, the bottom strike having a second hook; and
at least one means for retracting at least one coupler toward at least one respective side frame, wherein at least one of the at least one coupler, the door panel, or the door frame comprises a magnetic feature, and wherein travel of the at least one coupler is limited by a cooperation between the first hook and the second hook.