Patent · US Expired

Coupler for hose lines of high-pressure cleaning and spraying equipment

US4566723A · kind A · utility

16Cited by

6References

8Claims

0Family size

Assignee

Alfred Kärcher GmbH & Co. KG · DE

Inventors

Werner Schulze · Göttingen, DE
Josef Gerich · Winnenden, DE
Emil Scheef · Waiblingen, DE
Heinz Dautel · Backnang, DE

Key dates

Filing date	Jul 12, 1983
Grant date	Jan 28, 1986
Priority date	—
Expiry date	Jul 12, 2003

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF16L37/113
WIPO fieldMechanical elements
WIPO sectorMechanical engineering

Abstract

It is suggested in relation to a coupler for hose lines of high-pressure cleaning equipment and high-pressure spraying equipment comprising a nipple and a connecting piece to be coupled to the latter that the nipple be captured by a sleeve containing catch projections with recesses extending into its interior, that a compression spring be positioned between the inner wall of the sleeve and the nipple, that the connecting piece have on its outer wall outwardly projecting catches with locking lugs which slip into the recesses in the catch projections, and that the compression spring push the locking lugs into the recesses in the catch projections when the connecting piece is inserted into the sleeve.

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