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Copying apparatus cover

  • US 4,172,660 A
  • Filed: 01/03/1978
  • Issued: 10/30/1979
  • Est. Priority Date: 01/03/1978
  • Status: Expired due to Term
First Claim
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1. A cover and original document keep device for a copying apparatus having a housing and a platen surface comprising:

  • (A) means forming a recessed base region in the copying apparatus housing adjacent to the platen surface and incorporating fixed first and second anchor means formed therein,(B) a unitary cover member comprising;

    (1) a substantially flat portion, disposed over the platen surface,(2) one end forming a cover supporting means, and(3) the other end forming a cover raising and lowering handle means,(C) a cover positioning system comprising;

    (1) sliding link means, having one end pivotally mounted to the first anchor means formed in the recessed base region and having the other end pivotally mounted to the unitary cover member near its supporting means, and(2) spring means operatively connected between the link means and the second anchor means to urge the sliding link means toward the second anchor means formed in the recessed base region,(D) with the cover supporting means frictionally engaging the housing in the pivotally raised position of the cover member,whereby the cover member cooperates with the sliding pivotal link means to allow the cover member to remain substantially parallel with the platen surface in order to accommodate both thin and thick original documents for copying and alternatively to allow the cover member to be pivotally raised above the platen surface and whereby cooperation of the cover positioning system, the cover supporting means and the copying apparatus housing maintains the cover member in the pivotally raised position.

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