Patent · US Active

Structurally efficient pin wrap

US10549841B2 · kind B2 · utility

1Cited by

22References

14Claims

0Family size

Assignee

SIKORSKY AIRCRAFT CORPORATION · US

Inventors

Eric Lucien Nussenblatt · Stamford, US
David H. Hunter · Cheshire, US

Key dates

Filing date	May 20, 2015
Grant date	Feb 4, 2020
Priority date	—
Expiry date	Jul 2, 2036

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB64C2027/8281
WIPO fieldTransport
WIPO sectorMechanical engineering

Abstract

A pin wrap having a unitary construction that includes a first elongated arm extending from an inboard end to an outboard end; a second elongated arm extending from the inboard end to the outboard end; and a curved end having an internal surface and a directly opposing external surface. The curved end integrally connects the first elongated arm to the second elongated arm at the outboard end. Also, the curved end is arcuate having a plurality of radii of curvatures. A blade and a helicopter with a blade can include the pin wrap.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.