公开(公告)号：US3923422A

公开(公告)日：1975-12-02

申请号：US51574974

申请日：1974-10-17

Applicant: UNITED TECHNOLOGIES CORP

Inventor： IANNIELLO DANIEL JOHN ,  FAIZ ROBERT LEE ,  SAINSBURY-CARTER JOHN BARRY

IPC: B64C27/48 ,  B63H1/26

CPC classification number: B64C27/48

Abstract: A composite helicoptor rotor blade in which fiber tapes are utilized in laminate fashion to build up spar-type strap members which are twisted and wrapped around a vertically extending attachment pin with a taper or wedge construction where a strap wraps around the pin to control tensile load distribution across the width of the strap.

Abstract translation: 一种复合式螺旋桨转子叶片，其中纤维带以层叠的方式用于建立翼形带状构件，其扭曲并缠绕在具有锥形或楔形构造的垂直延伸的附接销周围，其中带缠绕在销上以控制拉伸载荷 分布在带子的宽度上。