Patent · US Expired

Universal joint

US7153214B2 · kind B2 · utility

13Cited by
17References
9Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 23, 2005
Grant dateDec 26, 2006
Priority date
Expiry dateFeb 23, 2025

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S464/901
  • WIPO fieldMachine tools
  • WIPO sectorMechanical engineering

Abstract

A universal joint to transmit force from a tool to a workpiece. A driver attachable to the tool has a spherical cavity. A plurality of inwardly facing protrusions is formed in the cavity. Each protrusion has a pair of conical sidewalls separated by an angled ramp. A driven socket has a sphere formed on one end. The sphere has a plurality of channels. The sphere is received in the spherical cavity in the driver and the protrusions in the cavity are received in the channels. The drive webs forming the channel engage the protrusions when the driver is angularly offset from the driven socket.

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