Patent · US Expired

Locking differential with variable friction torque

US4719817A · kind A · utility

14Cited by
5References
15Claims
0Family size

Assignee

Inventor

Key dates

Filing dateNov 25, 1986
Grant dateJan 19, 1988
Priority date
Expiry dateNov 25, 2006

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF16H2048/305
  • WIPO fieldMechanical elements
  • WIPO sectorMechanical engineering

Abstract

There is disclosed herein a locking differential which comprises a differential case, side gears housed in the case to slide along axle shafts, a plurality of thrust washers and guide rings arranged in alternate relation in the case to slide along the axle shafts, a plurality of clutch plates arranged in the ring guides and interposed between the adjacent thrust washers, a resilient member urging the side gears to press the thrust washers and the clutch plates against the inner surfaces of the case while the clutch plates are held in pressure contact with the thrust washers, sleeves arranged axially outwardly of the side gears and having external splines for slidable movment along said axle shafts, the clutch plates each having on its inner periphery splines for engagement with the external splines of the sleeve, and means for moving the sleeves along the axis of the side gears.

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