Patent · US Expired

Retractable collective pitch stick

US3936015A · kind A · utility

7Cited by
5References
1Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJun 28, 1974
Grant dateFeb 3, 1976
Priority date
Expiry dateJun 28, 1994

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T74/20012
  • WIPO fieldTransport
  • WIPO sectorMechanical engineering

Abstract

Telescoping collective pitch stick assembly with a locking mechanism for securing extended position and permitting retraction of the stick to facilitate ingress and egress of a pilot from his seat in a helicopter. The locking mechanism has an index pin and cam arrangement having a slot with three interconnected areas.

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