James K Wollard

US Patent:

20190203758, Jul 4, 2019

Filed:

Mar 11, 2019

Appl. No.:

16/298843

Inventors:

- Pittsburgh PA, US
Richard Franklin - Hewitt TX, US
James L. Wollard - Waco TX, US

Assignee:

Arconic Inc. - Pittsburgh PA

International Classification:

F16B 39/30
F16B 35/00

Abstract:

A fastener including a bolt having an elongated shank having a first end, a second end opposite the first end, and a threaded portion having an external bolt thread, the bolt thread including a bolt pitch. The fastener includes a nut having a first end, a second end opposite the first end of the nut, and an internal nut thread extending between the first and second ends of the nut and adapted to engage threadedly the bolt thread of the bolt. The nut thread includes a nut pitch and a hardness that changes gradationally between the first and second ends of the nut. The bolt pitch of the bolt thread of the bolt is mismatched with the nut pitch of the nut thread of the nut.

US Patent:

20150147134, May 28, 2015

Filed:

Nov 25, 2014

Appl. No.:

14/553476

Inventors:

- Pittsburgh PA, US
Richard Franklin - Hewitt TX, US
James L. Wollard - Waco TX, US

Assignee:

ALCOA INC. - Pittsburgh PA

International Classification:

F16B 39/30
F16B 37/00

US Classification:

411263, 411427

Abstract:

A fastener including a bolt having an elongated shank having a first end, a second end opposite the first end, and a threaded portion having an external bolt thread, the bolt thread including a bolt pitch. The fastener includes a nut having a first end, a second end opposite the first end of the nut, and an internal nut thread extending between the first and second ends of the nut and adapted to engage threadedly the bolt thread of the bolt. The nut thread includes a nut pitch and a hardness that changes gradationally between the first and second ends of the nut. The bolt pitch of the bolt thread of the bolt is mismatched with the nut pitch of the nut thread of the nut.