US 11,885,358 B2
Blind fastener and method of installation thereof
Robert B. Wilcox, McGregor, TX (US); James Thomas Smith, Crawford, TX (US); and Troy Don Pierce, Hewitt, TX (US)
Assigned to HOWMET AEROSPACE INC., Pittsburgh, PA (US)
Appl. No. 17/423,980
Filed by HOWMET AEROSPACE INC., Pittsburgh, PA (US)
PCT Filed Feb. 7, 2019, PCT No. PCT/US2019/016973
§ 371(c)(1), (2) Date Jul. 19, 2021,
PCT Pub. No. WO2020/162936, PCT Pub. Date Aug. 13, 2020.
Prior Publication US 2022/0120306 A1, Apr. 21, 2022
Int. Cl. F16B 19/10 (2006.01)
CPC F16B 19/1054 (2013.01) [F16B 19/10 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A blind fastener comprising:
a sleeve comprising
a first sleeve end,
a second sleeve end,
a cavity extending from the first sleeve end to the second sleeve end; and
a mandrel configured to be at least partially received by the cavity of the sleeve, the mandrel comprising
a first mandrel end disposed adjacent to the first sleeve end and comprising an enlarged portion having a diameter greater than a diameter of the cavity,
a second mandrel end comprising a pull region, and
a shank region extending intermediate the first mandrel end and the second mandrel end,
wherein the pull region comprises an axial length no greater than 4 times a diameter of the shank region and is configured to be engaged by an installation tool.