DE8807636U1 - Motorized non-swinging garage door - Google Patents

Description

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INNOVATION

The innovation relates to overhead doors, especially for garages with a door leaf that swings inwards. For such garage doors, there is a requirement that the door leaf must not swing outwards when it is operated.

The aim of the innovation is to connect such a garage door with an electric door opener. Until now, such garage doors could only be operated mechanically, i.e. manually (see drawing 1).

Explanation

Since in known garage doors the vertical rail (2) was originally connected to the horizontal ceiling rail (3), the dead point in the upper area (2 a) when the garage door (1) was closed using an electric door opener could not be overcome when the lower edge of the door slid vertically downwards and so at the moment of being pushed by the electric door opener, sliding was basically impossible with any garage door of this type, since these doors were not designed to be opened and closed by an electric door opener.

According to the innovation, the garage door is designed in such a way that the door leaf (1), one end of which is guided on both sides in a vertical rail (2) that runs upwards over a circular arc (2a) (r = 300 mm) in the direction of the horizontal guide rail (3) and the other end of which is guided on both sides in a horizontal ceiling rail (3), the end of which (3 a) has been extended by the length of the circular arc (2 a) (= 260 mm). For this purpose, it is important to attach the horizontal ceiling rail (3) at an angle to the door frame (4) and, when the door leaf is open, to attach the telescopic arm (5) horizontally to the ceiling rail. To ensure that the door leaf opens and closes properly, it is necessary to reduce the pressure of the gas pressure spring (6) from 600 N to 500 N.

The innovation does not affect transport and packaging.

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Reference symbols

Pig. 1 Gate leaf in half-open position (before the innovation).

Pig. 2 Door leaf in open position (before the

Innovation ) .

1 = dead point

2 = Thrust

Pig. 3 Garage door> after the renovation, in connection

with an electric gate opener.

1 = door leaf

2 = vertical rail 2a = circular rail

3 = Horizontal rail

3a= Extension rail (leg length)

4 = Gate frame

5 = Telescopic arm

6 = Gas spring

Pig. 4 circular arc rail r = radius = 310 mm &khgr; = leg dimension<3 = 260 mm

Claims (2)

* * ■ ■■!■ ··· PROTECTION CLAIMS 1) Overhead gate, in particular for garages with an inward-swinging gate leaf, which is guided in vertical guide rails in the frame side parts and in horizontal guide rails in the corner area and which is connected to an electric gate opener, characterized in that the vertical guide rails (2) each have at their upper end a section (2a) curved in the shape of a circular arc, which merges in the direction of the horizontal guide rails and is arranged below the horizontal guide rails, and the length of the horizontal guide rails (3) is in each case at least equal to the length of the gate leaf (1) plus the radius length of the curved section (2a) of the vertical guide rails (2). 2) Garage door according to claim 1), characterized in that the door leaf (1) is connected to the frame side parts (4) via a telescopic arm (5) and the telescopic arm (5) is arranged such that it runs parallel to the horizontal guide rails (3) when the door leaf (1) is open.