Motor vehicles storage device

Claim 1

In apparatus for the transport and/or storage of articles, comprising first and second superposed horizontal parallel tracks, each track comprising a pair of rails, a first plurality of platforms mounted for movement on said first track in contact with each other, a second plurality of platforms mounted for movement on said second track in contact with each other, means for moving said platforms along said first track in one direction and along said second track in the opposite direction, and transfer means at the ends of said tracks for transferring said platforms from one track to the other, said transfer means comprising, on each side of the track, at least a transferring double arm mounted for rotation about a horizontal axis between said first and second tracks, the ends of said double arms having means to engage and carry away from said tracks one platform for every 180* of rotation of said double arms; the improvement in which each platform comprises two support wheels on one side, said wheels being mounted on projecting pins fixed to said one side of the platform, said wheels rolling on one of the two rails of a said track, there being two said transferring double arms on said one side of the platform, means mounting said two transferring double arms for rotation about parallel horizontal axes spaced apart a distance substantially less than the total length of a said double arm, one of said two double arms having a passageway therein through which a wheel of a said platform passes during transfer of said platform by said two double arms thereby to avoid interference between said one double arm and the wheels of the platforms.