Patent · US Expired

Resilient range interlock

US4944197A · kind A · utility

38Cited by
4References
9Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 7, 1989
Grant dateJul 31, 1990
Priority date
Expiry dateJun 7, 2009

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T74/20116
  • WIPO fieldMechanical elements
  • WIPO sectorMechanical engineering

Abstract

A compound transmission (10) comprising a main transmission section (12) connected in series with a range type multiple speed auxiliary section (14) having at least two selectable range type ratios, and a shift control unit (56) therefor, is provided. The shift control includes a resilient range interlock structure (178, 190) for inhibiting main section shifts from neutral during a range shift transient.

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