Title:
ブラインドファスナー
Document Type and Number:
Japanese Patent JP5878672
Kind Code:
B2
Abstract:
A blind fastener including a core bolt having a shank with a head and a threaded portion, and a sleeve having an elongated body with a head, an internal threaded portion, and a tapered notch formed within an exterior surface thereof and defined by a tapered portion having a slope and a frictional enhanced surface. The core bolt is installed within the sleeve such that its threaded portion engages threadedly the internal threaded portion of the sleeve. During installation of the fastener within the plurality of workpieces, a bulb is formed on the elongated body of the sleeve, the bulb defining a portion of a bulbed portion. When a selected axial force is reached, the bulbed portion separates from the elongated body and engages axially the tapered portion of the sleeve, increasing the diameter of the bulb which engages a blind side of one of the workpieces.
Inventors:
Fuchnergel, Garhart
Desalvo, douglas
Desalvo, douglas
Application Number:
JP2015507058A
Publication Date:
March 08, 2016
Filing Date:
April 11, 2013
Export Citation:
Assignee:
Alcoa Incorporated
International Classes:
F16B13/04; F16B31/02
Domestic Patent References:
| JP2010537139A |
Foreign References:
| US3345900 | ||||
| US3136203 | ||||
| US2863351 |
Attorney, Agent or Firm:
Maruyama International Patent Office