US Patent 10472903 Racking board retention system

A fingerboard that includes a first finger having a longitudinal axis and proximal and distal ends, a latch assembly mounted on the distal end of the finger, the latch assembly including first and second opposed bearing faces defining a first gap therebetween, a latch having first and second latch ends, the first latch end being pivotably mounted in the first gap so as to allow the latch to pivot between open and closed positions in a plane normal to the longitudinal axis of the first finger, and third and fourth opposed bearing faces defining a second gap therebetween, the second longitudinal space positioned to receive the second end of corresponding latch on an adjacent finger. The latch assembly may be detachably mounted on the finger.