Toggle bolt device

  • US 7,077,610 B2
  • Filed: 02/07/2002
  • Issued: 07/18/2006
  • Est. Priority Date: 02/07/2002
  • Status: Expired due to Fees
First Claim
Patent Images

1. A toggle bolt device comprising;

  • a) an elongated tool body having an outer surface with an at least partially threaded portion, first and second end portions and a central, longitudinal bore having a longitudinal axis and internal threads, the first end portion of the body having a socket and a plurality of circumferentially spaced apart and radially extending slots that communicate with the socket radially extending from the socket to the outer surface of the tool body;

    b) the tool body including a shaft that extends continuously through the longitudinal bore and having respective first and second end portions communicating with the body end portions, the shaft having external threads that engage the internal threads of the tool body, the shaft being rotatable relative to the body about said longitudinal axis;

    c) a plate that carries a plurality of locking members, each locking member having a thicker inner end portion and a thinner outer end portion, wherein the plate is attached to and rotates with the shaft at the first end portion of the body;

    d) the locking members being movably attached to the plate, each locking member being rotatable;

         1) relative to the plate and

         2) about the shaft when the locking members move between extended and retracted positions responsive to a rotation of the shaft and plate relative to the tool body, the locking members extending radially beyond the outer surface of the body in the extended position and being pulled into the body at the socket in the retracted position;

    e) a nut that is connectable to the body with a threaded connection portion; and

    f) wherein load transfer between the plate and the nut is via the plate, locking members, tool body and shaft.

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