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Device for protecting the operating section of a camera from water drops and dust

  • US 4,244,591 A
  • Filed: 09/11/1979
  • Issued: 01/13/1981
  • Est. Priority Date: 05/30/1977
  • Status: Expired due to Term
First Claim
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1. A seal for protecting the interior of a camera from water drops and dust, said seal of the type comprising an external casing member of said camera, an operating member outside of said casing member for controlling a camera function, said operating member passing through an opening in said external casing member to form a gap therebetween, and a sealing means for sealing said gap, wherein the improvement comprises:

  • said sealing means comprising a viscoelastic sheet, having a substantially rectangular cross-section and an axial thickness which is small in relation to its radial thickness, fixedly secured to one of said members and tightly contacting the entire periphery of the other of said members around the entire periphery of said other member within said gap.

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