Patent ID: 6257382
Filing Date: 2001-07-10
Classification: B65H,H02G,H04M

Abstract:
A cable winding apparatus comprising:(a) a housing having first and second housing members joined one to the other, each of said first housing member having a line hole opening formed therethrough;(b) a first conductive disk rotatably disposed within said housing, said first conductive disk having a plurality of grooved portions formed thereon, and including a plurality of conductive pieces extending therefrom;(c) a first communication cable disposed on said first conductive disk passing through said line hole opening of said first housing member, said first communication cable being electrically coupled to said conductive pieces;(d) a spiral spring coupled to said first conductive disk for angularly biasing said first conductive disk relative to said first housing member;(e) a second conductive disk coupled to said second housing member, said second conductive disk having formed thereon a plurality of conductive rings respectively contacting said conductive pieces of said first conductive disk;(f) a second communication cable electrically coupled to said second conductive disk, said second communication cable passing through said line hole opening of said second housing member;(g) a ratchet rotatably coupled to one of said first and second housing members, said ratchet having formed thereon a plurality of ratchet teeth and a plurality of axially extending buckling blocks angularly spaced one from the other; and,(h) a swing piece coupled to one of said first and second housing members in pivotally displaceable manner, said swing piece being displaceable about a pivot axis through a displacement range extending between first and second positions responsive to the rotation of said first conductive disk, said swing piece including a pair of elastic pieces projecting from a main portion for respectively biasing said swing piece away from said first and second positions, said swing piece having formed on said main portion thereof:(1) a radially extended tongue for engaging said groove portions of said first conductive disk;(2) first and second axially extended catches for engaging said ratchet teeth during at least a portion of said displacement range of said swing piece; and,(3) an axially extended engaging block for selectively engaging said ratchet buckling blocks in locked manner.