Carl Bohmeier Master Clock Winding

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	The winding is achieved by an electric 12 volt motor at the rear of the movement. As the clock unwinds the weights drop lower and a trip arm attached to one of the weight's pulleys gradually pushes against a cam attached to a mechanical switch. This can be seen at the front of the movement as shown below. Eventually when it is low enough the cam triggers a switch and the motor starts rewinding. As the weights then travel back upwards they will trip this mechanical switch again and switch the motor off when they get to the top. Carl Bohmeier Master Clock The picture above show the weights in their midway position as the clock is unwinding. I have highlighted the trip arm in red, and the edges of the switch's cam in blue. This cam is slowly pushed anti-clockwise on its pivot as the trip arm pushes it downwards. Eventually it gets top heavy and the cam flips over completely anti-clockwise, which operates the 'On' switch. The picture above shows the weights having just triggered the clock to rewind. (Below) Fully wound with the switch triggered back to the 'Off' position.	Custom Search My Other Websites: Synchronome Introduction Operation Setting Up Impulse Movement Rating Date Chart Barometer Pressure Door Open Effect Circular Error Door Open Effect Power Station Model Synchronome Literature Gents Pul-syn-etic Introduction Movement Operation Wheel Operation Impulse Slave 30 Minute Pulses Instruction Manuel Gensign Introduction The Movement (Overall) The Movement (Front) The Movement (Rear) Rear Flywheel & Spring Post Office 36 Introduction Toggle Operation The Countwheel Mechanism Clock 'As Found' Carl Bohmeier Introduction Escapement Movement Pendulum and Case Winding Mechanism Bürk Master Clock Introduction General Tele's Ltd Introduction Page 2 Slave Dials Introduction Synchronome Slave Octagonal Slave Programmer Introduction Close Up 1 Close Up 2 Links and Contact Page Links
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