Patent · US Active

Hydrostatic transaxle

US8418452B1 · kind B1 · utility

20Cited by
97References
11Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 3, 2011
Grant dateApr 16, 2013
Priority date
Expiry dateOct 3, 2031

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB60Y2200/223
  • WIPO fieldMechanical elements
  • WIPO sectorMechanical engineering

Abstract

A hydraulic drive device including a hydraulic pump and hydraulic motor disposed in a casing and driving an axle having an interior end disposed inside the casing and abutting against an interior surface of the casing to prevent an inward axial movement of the axle shaft. The device further includes an expansion chamber formed in the casing by a plate having a generally flat portion extending generally perpendicular to the plate to form a thumb stop and an indentation sized to accept a human finger to assist during installation of the plate.

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