Stuck film advance knob

[Bam Cocjin]

Hi guys I recently bought a Shanghai TLR (the one that has a number counter in the middle of the film advance knob).

I loaded my film and the film advance knob worked fine and the film counter showed the number 1 in the counter. Cocked it and took a shot. I heard a click. So it seemed to work properly.
But when I tried to advance the film, the knob would not budge.

What could have happened?

[KoNickon]

I am not familiar with this camera, but I'm wondering if there is some sort of button or lever you need to operate in order to release the film wind lock.

[Bam Cocjin]

This model was the precursor to the seagull. I already cocked the switch in front and when I made the shot there was that click that released the switch.

This is the camera in question

[Bam Cocjin]

Update: The shutters work. The Knob advances from zero to one. It cocks and fires properly. But the moment I try to turn the knob from one to two, the knob refuses to move. Tried it with film and without. Same result. What mechanism could be causing the problem? It doesn't seem to be the shutter.

[spyder2000]

What KoNikon was saying is that many of the early TLR's with knob wind (not lever wind) required the user to press a button to release the film advance mechanism. This button is separate from the shutter release and film cocking operations. For instance on the Yashica D, this button is in the center of the winding knob, where you say your frame counter is located.

The picture you attached is of the focus knob side. Look at the winding knob and press the center in gently to see if if it depresses. If so, try to advance your film. If not, please post photos of the other sides of your camera and we'll try to make educated guesses that might help you.

[Bam Cocjin]

Thanks so much for the info, spyder
Was finally able to forward the film by pressing the shutter release while turning the knob.

[spyder2000]

Pressing the shutter release to to wind the film is unusual. Keep looking for another release button as using the shutter release may cause a problem if that is not the correct way to do it.

Cameras are really delicate instruments inside with many gears and levers that must remain "in time" for everything to continue functioning.

I would expect the winding knob itself to contain the release. I do not want you to damage your camera.

[Bam Cocjin]

The winding knob has no levers or buttons on or adjacent to it. I checked the manual and it says that the winding knob is supposed to freely wind after pressing the shutter release. Will go have it checked when I have some free time