US Patent 8720089 Ultra-thin retractable label holder for rack-mounted electrical chassis

A label holder for a chassis having: a frame having a window therein and a flat, label holding member disposed within the window. The label holding member includes an integrally formed: frontal handle portion projecting outwardly from an outer edge of the chassis; label mounting surface portion disposed rearward of the handle; and flexible, serpentine spring portion disposed between the label mounting surface portion and a rearward end portion of the label holding member. The label holding member slides forward and rearward within the window. The spring portion has a plurality of elongated members traversing sides of the frame and interconnected at edges thereof by curved interconnecting sections, and wherein material forming the interconnecting sections is reduced progressively from a rearward portion of the spring towards a frontal portion of the spring.