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Teaching board apparatus

  • US 5,131,849 A
  • Filed: 10/04/1991
  • Issued: 07/21/1992
  • Est. Priority Date: 10/04/1991
  • Status: Expired due to Fees
First Claim
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1. A teaching board apparatus, comprising,a ferrous metallic base plate, the base plate including a perimeter framework extending coextensively about the base plate, wherein the perimeter framework includes a right side edge and a left side edge, anda plurality of magnetic discs to include first magnetic discs and second magnetic discs, wherein the first magnetic discs are of a first coloration and the second magnetic discs are of a second coloration to effect contrasting visual illustration representative of atomic particles, andeach of the magnetic discs includes a ferromagnetic base magnetically adherable to a forward surface of the base plate, anda support trough fixedly mounted to the perimeter framework orthogonally between the right side edge and the left side edge, wherein the support trough is mounted adjacent a lower terminal end of the first side edge and the left side edge, wherein the support trough is arranged for receiving said magnetic discs and writing instruments therewithin, anda dispensing housing fixedly mounted to the perimeter framework adjacent the right side edge, wherein the dispensing housing is longitudinally aligned and vertically oriented relative to the base plate and includes a respective first and second semi-cylindrical cavity, and the dispensing housing includes a housing front wall, the housing front wall includes a respective first and second access opening coextensively directed through the front wall coextensive with the respective first and second cavity, and the dispensing housing including a housing floor, the housing floor defining a housing slot orthogonally directed through the housing front wall between the housing floor and the first and second semi-cylindrical cavities, wherein the first and second semi-cylindrical cavities includes a respective first and second column of said first and second magnetic discs, andthe housing floor includes a first and second slot positioned below the respective first and second cavity directed into the housing floor from a forward edge of the housing floor, wherein the forward edge of the housing floor is coplanar with the housing front wall, anda container housing mounted to the left side edge of the perimeter framework, the container housing including a container housing rear wall, and a plurality of pairs of spring clip members mounted to the housing rear wall, and each of the spring clip members includes a writing instrument removably mounted within each of said pair of spring clip members, and an elastomeric band mounted to the housing rear wall, wherein the elastomeric band includes a matrix of chalk rods contained therewithin, andthe container housing includes a container housing left edge and the dispensing housing includes a dispensing housing right edge, and a predetermined length is defined between the container housing left edge and the dispensing housing right edge, and a first cover plate is pivotally mounted to the container housing left edge, and a second cover plate is pivotally mounted to the dispensing housing right edge, wherein the first and second cover plates are each defined by a length equal to one-half the predetermined length, anda respective first and second flexible guide wire arranged parallel to the respective left and side edges of the perimeter framework adjacent the respective left and side edges of the perimeter framework, and the first and second flexible guide wires frictionally, orthogonally, and slidably directed through an alignment board arranged orthogonally between the respective first and second side edges, wherein the alignment board is vertically displaceable along the respective first and second flexible guide wires for visual enhancement of a horizontal component of the planar base plate.

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