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Dihedral synchro-helix actuation doors

From Wikipedia, the free encyclopedia

Koenigsegg Jesko
Pre-production model of Koenigsegg Jesko at the 2019 Geneva International Motor Show with its Dihedral Synchro-Helix Actuation Doors open
Koenigsegg CCX
Koenigsegg CCX with dihedral doors open

The dihedral synchro-helix is a type of door with a hinge mechanism which allows the doors to rotate 90° by sweeping outwards and upwards at the hinge.[1] They were designed and developed by Christian von Koenigsegg on behalf of high-performance sports cars manufacturer, Koenigsegg Automotive AB.[2] It was conceived revolutionary when it made its debut on the CC prototype (1994–2000). The first production car to be fitted with these doors was the Koenigsegg CC8S (2002–2003).[3] The door's primary intention was to open high enough to avoid most curbs, but low enough to avoid garage ceilings. It also minimizes the space taken at the side of the car while opening the door, which makes it easier to open the doors while being parked on tight spaces with another parked car at the side.[3] The Koenigsegg Regera was the first car to be equipped with Autoskin, a feature which allowed this mechanism to be completely motorized by making the door sweep automatically by pressing a button.[3] These door are found on all Koenigsegg cars which includes

When you open the door while the battery is connected, the window would wind down a little. This is because if you open the bonnet when the doors are open and the windows are failing to wind down due to the disconnection of the battery then the bonnet and window would make contact with the bonnet which would lead to damages. As a preventive measure, all the cars with these doors come with a warning label visible when the door is open, which states that:

ATTENTION: Always avoid operating the bonnet and the doors at the same time when the battery is out/off. This is in order to avoid potential risk of collision resulting in scratches on the hood.

The warning also has dimensions of interval between the car and other obstacle placed near it which is recommended to be followed. The dimensions mentioned are a distance of 40 cm of gap towards the sides of the car and 10 cm of gap between the door at its open position to avoid any curbs present.

Images extracted from US Patent #US20190218838[4]
Dihedral synchro-helix actuation doors - US Patent - 4.png
Dihedral synchro-helix actuation doors - US Patent - 3.png
Dihedral synchro-helix actuation doors - US Patent - 2.png

References

  1. ^ [1], "Apparatus for closing and opening door of vehicle", issued 2014-04-21 
  2. ^ "The Perils of Koenigsegg Ownership". Jalopnik. Retrieved 2020-09-07.
  3. ^ a b c "Innovations". Koenigsegg. Retrieved 2020-09-07.
  4. ^ [2], "Door hinge", issued 2019-01-11 
This page was last edited on 6 January 2021, at 08:06
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