US 4,398,855 AGranted

Toggle type fastener

OwnerJohn V. Hultquistinventor

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Abstract

This unique cylinder shaped toggle type fastener may be used with either a bolt having a saddle type head or a bolt having a saddle type nut. The shape of the slotted toggle having one end tooth shaped allows it to be easily tipped into a saddle from the parallel position with the shank to the perpendicular position from the shank of the bolt or screw after being inserted through the hole in the material it is to be fastened to. The unique shape also leaves a flat V-shaped surface that abutts to the inside of the material. The design of the toggle eliminates the necessity of any pins giving the toggle much greater strength than other varieties. This type of fastener may be manufactured out of any kind of metal, plastic or nylon.

Claims10

Dependent claims

A toggle type bolt or screw fastener comrising:

(a) a shank which is at least partially threaded, wherein one end of said shank includes a saddle type end portion formed with a concave surface,
(b) a substantially cylindrically shaped member having a longitudinal bore therethrough, said member being fitted around said shank, wherein said member has a length less than that of said shank, said member having longitudinal slots extending from opposite ends on opposite sides thereof in a manner such that an opening is defined which extends traversely through said member, said opening being unthreaded and being sufficiently large to enable said member to be tilted perpendicular to said shank after said member and said saddle end portion are inserted through a hole in a desired material, wherein the surfaces defined on said member by said longitudinal slots are planar.
wherein said concave surface of said saddle end portion of said shank is adapted to engage and bear against the top and side surface of said member when said member is tilted perpendicularly to said shank to prevent the shank from rotating with respect to said member.

Dependencies are inferred from the claim text.