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Electric coffee maker

  • US 4,744,291 A
  • Filed: 01/26/1982
  • Issued: 05/17/1988
  • Est. Priority Date: 01/26/1982
  • Status: Expired due to Fees
First Claim
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1. In an electric coffee maker comprising a reservoir for water, said reservoir having a lower end, a holder of coffee grinds superposing a coffee collection container, conduit means connecting the lower end of the reservoir to a spout at a level well above the lower end of reservoir, electric heating means adjacent the conduit means for heating the water, check valve means in the conduit means comprising a ball valve seat and a ball valve element for the purpose of utilizing pressure of steam generated in the water as it heats to move the water toward the spout, the ball being downstream from the ball valve seat, the improvement of control means for controlling the rate of flow through the conduit means, the control means comprising a manually turnable shaft downstream from the ball valve element, the shaft having an axis transverse to the flow of water and a cam lobe on the shaft whereby when the shaft is turned, the lobe engages against the ball valve element to limit the travel of the ball to a desired extent.

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