Patent ID: 8646667
Filing Date: 2014-02-11
Classification: B60R

Abstract:
1. A root rack device, comprising: a base having two opposing ends, the two ends of the base respectively having a first through hole, the two ends being provided with connection units to connect with left and right sides of a car roof, the base further having a first guide portion extending toward the two ends of the base; two carrier members coaxially disposed on the base, the two carrier members having respective inner ends and outer ends, the outer ends of the two carrier members respectively having a second through hole, each of the two carrier members having a second guide portion to mate with the first guide portion so that the two carrier members are confined to slide along the base, the second through hole being aligned with the first through hole when the two carrier members are retracted; two lock units disposed at the two ends of the base, each of the two lock units comprising a support seat, a pin member and a control member, the support seat having a third through hole disposed under the first through hole, an axle member being provided to connect the control member, the pin member being confined in the third through hole, the control member having a cam to push the pin member so that a top of the pin member is moved into the first and second through holes or out of the second through hole, the control member having a first buckle portion; and two lock seats disposed at the outer ends of the two carrier members, each of the two lock seats having a second buckle portion, when the first buckle portion is engaged with the second buckle portion, the cam keeps the pin member inserted in the first and second through holes, when the first buckle portion is disengaged from the second buckle portion, the cam acts on the pin member to disengage the pin member from the second through hole.