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External adjustment knob for telescopic sights

  • US 4,038,757 A
  • Filed: 11/08/1976
  • Issued: 08/02/1977
  • Est. Priority Date: 11/08/1976
  • Status: Expired due to Term
First Claim
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1. In a telescopic sight of the type having windage and elevation adjustment screws, which screws are surrounded by a support ring with holding means to permit the attachment of turret caps thereon, wherein the approvement comprises:

  • a cylindrical member having a first open end and a second end, said cylindrical member having holding means of an appropriate size to match the holding means on the support ring of the telescopic sight;

    a knob affixed to the second end of said cylindrical member in a freely rotatable and co-axial position with respect thereto;

    screwdriving means affixed to said knob and positioned along the central axis of said knob; and

    biasing means between said screwdriving means and said cylindrical member, said biasing means urging said screwdriving means inwardly toward the open end of said cylindrical member.

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