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Tool for cleaning an optical surface

  • US 4,733,428 A
  • Filed: 11/05/1986
  • Issued: 03/29/1988
  • Est. Priority Date: 11/12/1985
  • Status: Expired due to Fees
First Claim
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1. A cleaning tool for an optical surface comprising an injection duct for a cleaning fluid sent under pressure in the direction of said optical surface and an evacuation duct for said fluid, and means for positioning said tool relative to said optical surface wherein said injection duct is formed in an injector and said evacuation duct is formed in a jacket, wherein said injector and jacket are generally cylindrical in form and pierced from end to end with an axial bore and the injector is lodged in the bore of said jacket such that there is a space between the front end of the injector and the jacket, wherein said evacuation duct is formed, at least in part, by the space between the front end of the injector and said jacket and wherein said evacuation duct of said jacket comprises a longitudinal groove formed on the periphery of said jacket and a hole pierced in said jacket and connecting said groove with said space.

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