Overhead door

US5002114A · kind A · utility

Assignee

• Hormann KG Brockhagen · DE

Inventor

• Thomas Hormann · Bornsteiner Straße, DE

Key dates

• Filing date: Nov 22, 1989
• Grant date: Mar 26, 1991
• Expiry date: Nov 22, 2009

Classification

• Technology area (CPC E): Fixed Constructions
• CPC primary: E06B3/485
• WIPO field: Civil engineering
• WIPO sector: Other fields

Abstract

An overhead door having a number of panels secured together by hinges, in which the insertion of a finger into a gap between the consecutive panels is prevented. Facing edges of ajdacent panels have areas that curve around an axis of the hinges to eliminate the occurrence of a gap as wide as a finger at any angle between the panels. Shoulder areas engage each other when the door is in the closed state, and they are located in the vicinity of the interior surface of the door and outside the curved edge areas that extend from the outer surface of the door. To facilitate manufacture of panels that will ensure that the door is tight, well supported, and precisely positioned when in the closed state, there is a section in the area of the gap between the facing edges of adjacent panels as viewed from the outer surface and toward the interior surface of the door. The gap distance is interrupted and the panels rest one on top of another when the door is in the closed state.