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Automatic faucet

  • US 4,894,874 A
  • Filed: 03/28/1988
  • Issued: 01/23/1990
  • Est. Priority Date: 03/28/1988
  • Status: Expired due to Term
First Claim
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1. A faucet for automatic operation, defining a base and an elongated spout body extending therefrom including a discharge outlet spaced from the base, said spout body defining a generally planar surface disposed at about an angle of 20°

  • to horizontal,sensing means operative to automatically operate said faucet by detecting the presence of a user comprising a signal emitter and a signal detector disposed intermediate said base and said outlet, said emitter and detector each being disposed on the longitudinal centerline of the spout body, and said emitter and detector and said discharge outlet each face outwardly from said planar surface, said detector having a field of view symmetrical about an axis, said axis being parallel to a centerline of said discharge outlet,said sensing means being able to communicate with a faucet control means adapted to automatically operate said faucet, anda drip guard disposed between said emitter and detector extending from said planar surface and being generally arcuate in a direction transverse to the longitudinal center of the spout body.

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