De Gier · Nests, pop holes and daylight
Drive systems for pop holes and sliding doors
Drives for opening the pop holes that give birds access to outdoor areas. With a winding tube or THG rack and pinion, several pop holes open at once, which keeps the number of drives in the house low.
At a glance
- Central winding shaft
- Gear racks inside
- Free-range pop holes
Details and picture from the manufacturer: degierdrivesystems.com
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