Patent ID: 8690576

Claim:
A refreshable Braille display, the display including a series of individual Braille cells, the display comprising: a housing having forward and rearward extents, the housing also having an interior, an upper cover, and a lower tray, the upper cover having apertures for receiving Braille pins, and a series of openings for receiving keys, a channel formed within the upper cover; a motherboard mounted within the interior of the housing, the motherboard being interconnected to a series of Braille cell assemblies, each of the Braille cell assemblies corresponding to an individual Braille cell and supporting eight (8) bimorph reeds; a series of mounting blocks, each mounting block having a housing with an array of pin apertures, the housing further including a depending edge, the mounting blocks being releasably secured within the channel within the upper cover; a series of tactile pins, each of the tactile pins including an curved upper end and an length, the series of tactile pins being positioned within the pin apertures of the mounting blocks, each tactile pin including a collar located along its length; a plate secured over top of the series of tactile pins, the plate including openings that permit the passage of the tactile pins, the openings having a size that is smaller than the diameter of the collars located on the tactile pins to thereby limit the upward movement of the tactile pins.