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Adjustable book stand

  • US 5,273,247 A
  • Filed: 11/03/1992
  • Issued: 12/28/1993
  • Est. Priority Date: 11/03/1992
  • Status: Expired due to Fees
First Claim
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1. A book stand comprising a base, a post extended upward from the base, a sleeve slidably engaged on said post, moving means for moving said sleeve up and down along said post, a housing disposed on said sleeve for rotation about a vertical axis, a board disposed on said housing for rotation about a lateral axis, and means for rotating said board about said lateral axis in order to adjust the height and the angular positions of said board, wherein said post includes a stub disposed in an upper portion thereof and having an inner thread formed therein, said moving means includes a bolt rotatably engaged with said inner thread of said stub and rotatably supported in said sleeve, said bolt forming said vertical axis, whereby, said bolt and said sleeve are moved up and down along said post when said bolt rotates relative to said stub.

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