Probably not, though I have never heard of a spiral suitcase before.
A screw is an inclined plane in a spiral.
A spiral suitcase is an example of an inclined plane simple machine. The spiral shape of the suitcase helps to minimize the effort required to lift and move it by converting a vertical movement into a longer, more gradual slope.
screw
screw
the 'thread'.
Screw A+:)
An inclined plane wrapped around a central cylinder to form a spiral is called a screw or a bolt.
A serpentine. examples would be: a screw or a spiral staircase.
A spiral or auger
a screw
Yes as it does around a screw
There pyramids were spiral because it was easier to get to the top that way.