Patent · US Expired

Protective device for floor cleaning apparatus

US4624025A · kind A · utility

15Cited by

1References

2Claims

0Family size

Assignee

STEIN & CO. GmbH · DE

Inventors

Heinz Kaulig · Velbert, DE
Klaus Stein · Velbert, DE

Key dates

Filing date	May 9, 1984
Grant date	Nov 25, 1986
Priority date	—
Expiry date	May 9, 2004

Classification

Technology area (CPC A)Human Necessities
CPC primaryA47L11/4077
WIPO fieldFurniture, games
WIPO sectorOther fields

Abstract

A protective device for floor cleaning apparatus with a rotating driving source and with brush rollers driven thereby comprises a housing 2 with a bottom wall on its side facing towards the floor. The bottom wall is provided with working apertures 9 for the brush rollers and with tooth-shaped carpet deflectors which project on the side on which the bristles of the brush rollers enter the housing from the bottom wall into the working apertures.

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