Patent · US Expired

Angle joint

US4527925A · kind A · utility

25Cited by
3References
16Claims
0Family size

Assignees

Inventors

Key dates

Filing dateJul 8, 1981
Grant dateJul 9, 1985
Priority date
Expiry dateJul 8, 2001

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T403/604
  • WIPO fieldMechanical elements
  • WIPO sectorMechanical engineering

Abstract

An angle joint, consisting of a ball socket and a ball pivot, is pivotally mounted, by means of the ball, in a ball socket recess which is shaped like a spherical cap and acts as a ball seat. On one side of the ball socket is a rigid locating or contact shoulder, which is integral with the ball socket and partially grips the rear of the ball when the ball has been inserted into the recess. A locking element, which is situated opposite the locating shoulder, also partially grips the rear of the ball when the ball is inserted into the recess. The locking element is slidably located in a guide recess in the ball socket at an acute angle, between 15.degree. to 30.degree., to the direction of insertion. A locking spring presses the locking element in a direction opposite to the direction of insertion. The locking element is loaded by a pretensioned helical spring, acting as a locking spring, which bears both against the locking element and a section in contact with the ball socket. The locking spring may either bear against a locating collar formed out of the ball socket or against a cap which seals the guide recess. A handle or knob, projecting out of the guide recess may be mounted on…

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