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Text copied from TM9-1985-2 German Explosive Ordnance 1953 :

Description: The igniter consists of a tilt rod, and a 24-inch extension rod, connected to a cylindrical body containing the striker mechanism into the base of which is screwed the cap and the detonator assembly. The igniter id designed to function when the tilt rod is tilted in any direction. The igniter body contains the tilt rod and tilt rod base; these are locked firmly against the top flangle of the body by the safety bolt. Waterproof packing seals the joint between the tilt rod base and the body. Inside the igniter body is a concentric hollow cylinder known as the pressure piece. The pressure spring is held against the top of the pressure piece by a striker guide, containing two holes in which are positioned two locking balls which hold the striker in a cocked position against the striker spring. A retainer nut screws over the underside of the body and holds the entire striker mechanism inside the igniter body. A striker guide nut is screwed into the inside thread of the striker guide in order to distance the percussion cap. A separate cap and detonator assembly is used with this igniter and is designated the "zündersprengkapsel 43". It consists of an externally threaded sleeve to hold the cap and detonator which can be screwed into the igniter and into standard igniter sockets of mines. Two washers are provided for waterproofing. The end of the tilt rod is fitted to take an extension rod which increases the leverage considerably.

Operation: Lateral pressure of 15 to 25 pounds exerted in any direction on the tilt rod, or 1½ pounds when the extension rod is used, causes the sliding pressure piece to be depressed. When the pressure piece has been depressed sufficiently, the locking balls are freed and striker is released. The striker, driven by the striker spring, sets off the percussion cap.

Employment: This igniter is primarily intended for use on antitank mines. It is screwed into the booby trap wells on the underside of standard atitank mines, the mines then being laid upside down. It is ideal for use on boobytraps and antipersonell mines.



Left photo shows a prototype, the right one is the commonly known type.