The loop end has either an oval or round closed end to allow a post or other fixed movement stem to be used as the anchor of the mainspring.
Old regulator wall clock mainspring.
They are on average 7 to 8 feet long.
Used on kern 400 day midget clocks.
The other end hooks onto either the inside of a drum or on the corner post of the clock movement.
This allows the mainspring to be attached to a fixed point such as a barrel hook.
Key goes into the chuck and the chuck goes into the handle so you can let down the power of the spring.
A clock mainspring is made of spring steel and is about the width of a ruler but not quite as thick.
On smaller loop end mainsprings the loop end can be open.
38 antique large waterbury regulator 8 day striking wall clock.
Rxm silent wall clock wooden pendulum clock wooden regulator battery quartz decorative living room kitchen home 18 9x11 8in.
As a lubricant ages it s viscosity slowly rises it gets thicker.
Box 5510 grants pass or 97527 open m f 9am 5pm pacific time toll free.
One end of the mainspring hooks on a winding arbor the thing your key goes onto when you wind it.
This regulator clock company is known for its number 2 which they made from 1860 to 1950.
16 tooth ratchet wheel x 11 35mm diameter.
The most likely problem that ellicits that customer comment is that the lubrication on the mainspring has failed due to age.
Classic antique mini pendulum wall clock wood simulated vintage bronze texture non ticking silent sweep quartz movement width 11 4 length 18 5 retro rustic country style.
One of this company s regulator clocks is the number 6 which has an extremely long pendulum.
Antique regulator wall clock carved oak large face wm l gilbert admiral 8 day.
Clocks antique gilbert clocks.
Dealing with clock mainsprings is very dangerous.
It does the same job as the let down with all the chucks.
The only way to truly overwind a clock spring is to turn it so tightly that the spring actually breaks.
If someone were to take a spring driven clock apart without letting down the mainsprings bad things may happen.
29 75mm tooth plate diameter.
Antique french regulator clock in brass and glass case.