US Patent 7584974 Folding means and folding apparatus using the same

A folding means for a foldable apparatus, the folding means comprising a first member (2) having a locking end (4) and a second member (5) having an opening (16) through which the locking end (4) of the first member (2) is located, the locking end (4) being pivotally attached to the second member (5) via a pivot means and the locking end (4) comprising at least one catch (26), and wherein a locking means that is adapted to engage with the catch (26) and the second member (5) to lock the apparatus in a particular position.