Patent · US Expired

Helmet locking device

US4274271A · kind A · utility

15Cited by
4References
3Claims
0Family size

Inventors

Key dates

Filing dateApr 6, 1979
Grant dateJun 23, 1981
Priority date
Expiry dateApr 6, 1999

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T70/5013
  • WIPO fieldTransport
  • WIPO sectorMechanical engineering

Abstract

A device for locking a safety helmet to a vehicle such as a bicycle or motorcycle. A post extends from the motorcycle and has a pin-tumbler cylinder lock secured to it for receipt of the limbs of a clevis which extend through holes in the helmet so as to lock the helmet to the post when assembled together.

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