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US 11,098,742 B2Granted
Tacking fastener
AssigneeAllfast Fastening Systems, Inc.
InventorsGregory Athas, Omar Emil Honegger
Life of this patent
Estimating the term…
Abstract
A blind tacking rivet includes a stem and a sleeve. The stem includes a body and a stem head. The stem head is removable from the body. The stem head deforms a portion of the sleeve during removal of the stem head. The stem head may be discarded or may be embedded within the sleeve.
Claims16
A blind tacking fastener comprising:
- a stem comprising:
- a gripping portion;
- a stem head including a peripheral fraction ring with an outer diameter;
- and
- a body extending from the stem head to the gripping portion;
- and
- a sleeve comprising an inner channel defining an inner diameter, wherein the outer diameter is greater than the inner diameter and wherein the body of the stem passes through the inner channel, and wherein the stem comprises a first material and the sleeve comprises a second material selected such that the fraction ring fractures from the body, in response to a pulling force exerted on the gripping portion, so that:
- (i) all of the body is removed from the sleeve, and (ii) first and second ends of the sleeve are deformed radially outward to hold and pull together workpieces disposed between the first and second ends.
5 more elements
A method of installing a blind tacking fastener, comprising:
- providing a tacking fastener comprising a stem and a sleeve, the stem having a serrated portion and a stem head with a peripheral fraction ring;
- inserting the stem and sleeve through one or more apertures of one or more workpieces such that the stem head is on a blind side of the workpiece;
- applying a pulling force to the serrated portions sufficient to detach the fraction ring, create deformations at opposing ends of the sleeve to hold and join the one or more workpieces together;
- and
- removing remaining portions of the stem from the sleeve.
2 more elements
A blind tacking fastener comprising:
- a stem comprising:
- a gripping portion;
- a stem head including a peripheral fraction ring that detaches from the stem when sufficient axial force is exerted on the gripping portion;
- and
- a body extending from the stem head to the gripping portion;
- a sleeve comprising an inner channel, wherein the body of the stem passes axially through the inner channel;
- and
- a bulb positioned about the body of the stem, between the fraction ring and the sleeve.
5 more elements
Dependencies are inferred from the claim text.