Patent · US Expired

Head bolt and driver therefore

US5249899A · kind A · utility

236Cited by
8References
4Claims
0Family size

Inventor

Key dates

Filing dateOct 28, 1992
Grant dateOct 5, 1993
Priority date
Expiry dateOct 28, 2012

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF16B11/006
  • WIPO fieldMechanical elements
  • WIPO sectorMechanical engineering

Abstract

A head bolt and associated socket includes a head portion associated with the bolt configured for enhanced grasping thereof by a complementary tool member. A first and second multifaceted stepped torque application head surface of the head bolt are utilized for the spreading of torque loads to the head surfaces of the bolt minimizing distortion by or deformation of the head surfaces during torquing. A modified aspect of the invention includes an adhesive sealing fluid contained within the head bolt selectively utilized and directed by the socket.

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