Patent ID: 7318694

Claim:
An apparatus for removably attaching an object to a vehicle, the object attached to the apparatus by a tether, the apparatus comprising: at least two rails attached to the vehicle, each rail having a channel, the channel partially enclosed by projections; and at least one attachment device, the attachment device received by and sliding within the channel of one of the rails, the attachment device comprising: a hook for attaching the tether, the hook made at the top of a vertical member having a threaded bottom part, the threaded bottom part received by and passing through the projections; a locking mechanism comprising a nut threaded onto the threaded bottom part, the nut resting on top of the projections, the locking mechanism further comprising a slide positioned within the channel, the slide having a threaded portion receiving and holding the threaded bottom part of the vertical member; whereby the attachment device is held at a fixed position in the rail by screwing the vertical member into the slide.