Patent · US Active

Revolving door with a drive unit arranged at a glass ceiling element

US9091109B2 · kind B2 · utility

1Cited by

27References

13Claims

0Family size

Assignee

DORMA DEUTSCHLAND GMBH · DE

Inventors

Sven Busch · Dortmund, DE
Stefan KISSLER · Leverkusen, DE
Thomas Schmitz · Wesseling, DE

Key dates

Filing date	Jan 14, 2014
Grant date	Jul 28, 2015
Priority date	—
Expiry date	Jan 19, 2034

Classification

Technology area (CPC E)Fixed Constructions
CPC primaryE05Y2900/132
WIPO fieldCivil engineering
WIPO sectorOther fields

Abstract

A revolving door with a drive unit drivingly connected to a turnstile of the revolving door. The revolving door has at least one glass ceiling element. The drive unit is gearlessly constructed and has an electronically commutated multipole motor. The multipole motor is arranged at the glass ceiling element.

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