Patent · US Active

Retaining device, especially for flat roof drains

US8496822B2 · kind B2 · utility

5Cited by

6References

8Claims

0Family size

Assignees

GmbH Koch Kunststofftechnologie · DE
Hans Juergen Koch · DE

Inventors

Maximilian Schoell · Thansau, DE
Michael Zimmermann · Brig, CH

Key dates

Filing date	Feb 25, 2009
Grant date	Jul 30, 2013
Priority date	—
Expiry date	Nov 12, 2029

Classification

Technology area (CPC E)Fixed Constructions
CPC primaryE04D2013/0413
WIPO fieldCivil engineering
WIPO sectorOther fields

Abstract

A retaining device 1 comprises a cup-shaped trap basket 2 including a circular support edge 3. A holder 4 is disposed at the trap basket 2, includes at least two holding arms 5, 6 movable between a “holding position” and “release” position, and is a separate assembly adapted to be connected to the trap basket 2. A gear unit 8 includes a bolt 10 that is adapted to be connected with a rotatable operating element 7 and has a driving worm 9 and tooth sections 11 adapted to be engaged with the driving worm 9 and disposed at the holding arms 5, 6.

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