A retention dock device may include a body and one or more clamping assemblies, each clamping assembly operable by an actuator and having a cleat with an enlarged head portion configured to clamp the body of the device to a slotted crossbar of a vehicle rack.
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1. A clamping device for use on a crossbar of a vehicle rack, the device comprising: a body including a docking surface having a docking interface for connecting the body to a cargo-specific rack accessory, and a mounting surface configured to contact an outer surface of a crossbar, the mounting sur
1. A clamping device for use on a crossbar of a vehicle rack, the device comprising: a body including a docking surface having a docking interface for connecting the body to a cargo-specific rack accessory, and a mounting surface configured to contact an outer surface of a crossbar, the mounting surface being spaced from and opposite the docking surface;a clamping assembly operatively connected to the body, the clamping assembly including an actuator and a cleat operatively connected to the actuator, the cleat having an elongate stem passing through and depending from the mounting surface, a first arm, and a second arm, each arm extending generally orthogonally from opposite sides of the stem and forming the general shape of an inverted “T”;wherein the stem has a longitudinal axis, and the clamping assembly is configured such that moving the actuator between a first position and a second position causes the cleat simultaneously to rotate on the stem axis and to translate along the stem axis, the clamping assembly further including a cam surface operatively connected to the body, and a cam follower configured to interface with the cam surface, the cam follower pivotally coupled to the stem of the cleat, the cam follower being axially coupled to the stem of the cleat by a biasing assembly, wherein the clamping device further including a biasing member configured to axially bias the cleat downward, wherein downward is defined as a direction from the docking surface orthogonally toward the mounting surface. 2. The device of claim 1, wherein the cam follower is rotatable about a cam follower axis, and the cam follower axis is aligned with the stem axis. 3. The device of claim 1, wherein the biasing assembly includes a plurality of Belleville washers stacked along the stem axis adjacent a surface of the cam follower. 4. The device of claim 1, wherein the actuator comprises a lever arm rotatable around a lever axis. 5. The device of claim 4, wherein the first position of the lever arm is oriented approximately 90 degrees from the second position of the lever arm. 6. The device of claim 4, wherein the lever axis and the stem axis are substantially parallel to each other. 7. The device of claim 4, wherein the lever axis and the stem axis are aligned with each other. 8. The device of claim 7, the clamping assembly further configured such that rotating the lever arm between the first position and the second position causes the lever arm to translate along the lever axis. 9. The device of claim 7, the clamping assembly further configured such that the lever arm remains continuously in a single plane of rotation when rotating the lever arm between the first position and the second position. 10. The device of claim 9, wherein the cam follower is pivotally coupled to the lever arm. 11. The device of claim 10, wherein the pivotal coupling between the cam follower and the lever arm includes a radial key mated to a grooved keyway, the pivotal coupling configured such that the cam follower maintains angular correspondence with the lever arm and is movable in a direction along the lever arm axis. 12. The device of claim 1, the clamping assembly being a first clamping assembly, the device further including a second clamping assembly substantially identical to and spaced from the first clamping assembly. 13. The device of claim 12, wherein the actuator of the first clamping assembly is disposed on a side of the device opposite from the actuator of the second clamping assembly. 14. A clamping device for use on a crossbar of a vehicle rack, the device comprising: a body including a docking surface having a docking interface for connecting the body to a cargo-specific rack accessory, and a mounting surface configured to contact an outer surface of a crossbar, the mounting surface being spaced from and opposite the docking surface,a clamping assembly operatively connected to the body, the clamping assembly including an actuator and a cleat operatively connected to the actuator, the cleat having an elongate stem passing through and depending from the mounting surface, a first arm, and a second arm, each arm extending generally orthogonally from opposite sides of the stem and forming the general shape of an inverted “T”,wherein the stem has a longitudinal axis, and the clamping assembly is configured such that moving the actuator between a first position and a second position causes the cleat simultaneously to rotate on the stem axis and to translate along the stem axis, wherein the actuator comprises a lever arm rotatable around a lever axis, the lever axis and the stem axis being aligned with each other, the clamping assembly further configured such that the lever arm remains continuously in a single plane of rotation when rotating the lever arm between the first position and the second position.
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