Index of Hints and Tips

Know Your Terminology - Clocks, Timepieces

When trying to explain about a clock to other repairers and supply houses, it is essential that you use the correct terminology. To help you the following diagrams are cutaways of a Timepiece type clock, with no striking train

Clock Frame

The frame of the clock holds all the parts of the clock in the right positions.

1 Back Plate 2 Back cock 3 Pillars 4 Front Plate

Going Train

The 'Going train' is the set of gears that transmit the power from the mainspring to the escapement. This in turn drives the 'Motion Work' that turns the hands.

1 Barrel and Arbor 2 Centre Wheel 3. Centre pinion 4 Third Wheel 5 Third Pinion 6 Escape Wheel 7 Escape Pinion 8 Pallets

Escapement and pendulum

1 Back Cock 2 Suspension 3 Crutch 4 Crutch pin 5 Pendulum Rod 6 Discharge Corner 7 Bob 8 Rating Nut 9 Escape Wheel 10 Discharge Corner 11 Face 12 Entrance Pallet 13 Anchor 14 Face 15 Exit Pallet 16 Pallet Arbor 17 Collet

Motion Work

1 Minute Pinion 2 Minute Wheel 3 Plate 4 Minute Spring 5 Centre Arbor 6 Cannon Wheel 7 Bridge 8 Hour Wheel 9 Minute Pipe 10 Pipe Squared for Minute Hand 11 Retaining Pin (Through Centre Arbor) 12 Hand Collet 13 Minute Hand 14 Hour Hand 15 Minute Cock

Winding Work

These parts are used for winding the clock and making sure that the power stays safely under control.

1 Retaining Bracket 2 Click Wheel 3 Click Spring 4 Click 5 Barrel Arbor 6 Mainspring 7 Barrel

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Index of Hints and Tips