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Fuhr Tipsafe 15 Dom Tilt Turn Drive Gear Window Lock Various Sizes

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Fuhr 15 Dom Tilt Turn Drive Gear mechanism Tipsafe Window Lock 15mm Backset

The Fuhr tipsafe tilt turn drive gears are a popular and robust window lock mechanism widely used by the industry over the last few decades. You may find that your specific window lock mechanism is also a Fuhr tilt turn drive gear with similiar dimensions and markings stamped on the faceplate and as long as you ascertain the correct size range required the new Fuhr tipsafe drive mechanism should be compatible and will connect to the top and bottom corners and operate the window just the same.

N:B the dimension shown as sash rebate height is always taken from the top corner to the bottom corner of the sash I:E where the gearing wraps round at the top and bottom of the opening sash. It is not the actual length of the drive gear which will always be shorter as it connects to the top and bottom drive corners.

Gearbox stamped 15Dom


Drive Gear Length Un-Cut

Stamped on faceplate

Sash Rebate Height Range = SRH

Roller Cam Dims shown With Handle In Central Postion


470 470-565




570 566-870




740 871-1040


1X 135mm from ¢


1040 1041-1340


1X 135mm from ¢


1300 1341-1600


1X 135mm from ¢


1600 1601-1900


1X 225mm from ¢(also has fixed pin 100mm from ¢)


1900 1901-2200


1X 340mm from ¢(also has fixed pin 100mm from ¢)

The fixed pin is only fitted to the two largest sizes and can be ignored if wanted and is only used as a lifting pivot point on extremly large windows or patio doors

The drive gear is easily cut to length with an hacksaw and then is fitted into the top and bottom corner connections.

Fitting tip:

Sit the old drive gear on top of the new one and mark each end to give you the correct dimension.

The Fuhr tilt turn drive gears come with the lock in the central open position. Inside the gearbox Fuhr position the gear with some break off burrs inside the lock to prevent the lock moving whilst it is cut down to length to suit the particular patio. On first operation it will feel like the lock is jammed but as you exert some force on the handle you will find the burrs break off and the lock will now run free from here on in.

This is the Fuhr tipsafe tilt turn drive gear mechanism available in various lengths to suit specific height windows.

More Information
Faceplate Dimensions16mm

Orders for stock items received by 1pm (Mon – Fri, excluding bank holidays and holiday shutdowns) will be dispatched the same day by Royal Mail or Carrier. We also do our best to despatch any orders received after 1pm on the same day also, we just can’t guarantee orders received after this time will be dispatched the same day. Orders received on a Friday may be delayed by the weekend for delivery.

We deliver across all countries, with estimated arrival times as follows:

  • UK Mainland: from next day, up to five working days depending on chosen shipping method
  • Scottish Highlands: 3-5 working days
  • Northern Ireland, Isle of Man and Isles of Scilly: 3-5 working days
  • Republic of Ireland: Varies
  • Channel Islands: 3-5 working days
  • Europe: from 3-5 working days, up to 2-3 weeks depending on distance from UK
  • Rest of the World: 2-3 weeks

To see more detailed information and a full breakdown of our courier services we use, please click here.

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