Patent · US Expired

Belt lifter

US5713810A · kind A · utility

5Cited by
2References
8Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 10, 1996
Grant dateFeb 3, 1998
Priority date
Expiry dateMay 10, 2016

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA47L5/30
  • WIPO fieldFurniture, games
  • WIPO sectorOther fields

Abstract

A belt lifter for a vacuum cleaner includes a rotatable member attached to an extending arm for lifting a drive belt on and off of a drive shaft to respective connect and disconnect the belt. The rotatable member includes a lever arm which facilitates the rotation of the extending arm by providing a mechanical advantage. The lever arm is of sufficient length so as to permit hand gripping by an operator. The lever arm is movable between an operating position and a stowed position.

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