Patent · US Active

Work vehicle

US10995843B2 · kind B2 · utility

4Cited by
47References
8Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 6, 2018
Grant dateMay 4, 2021
Priority date
Expiry dateDec 31, 2038

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF16H57/035
  • WIPO fieldMechanical elements
  • WIPO sectorMechanical engineering

Abstract

A work vehicle includes a stepless speed changer device having a drive pulley receiving input of power of an engine, a driven pulley, and an endless rotary body wound around and entrained between the the drive pulley and the driven pulley and an accommodating body having an accommodation space for accommodating the drive pulley, the driven pulley and the endless rotary body. The accommodation space includes an air passage for causing air introduced from the outside to flow from the driven pulley side to the drive pulley side to be eventually discharged to the outside.

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