FIELD: safety mechanisms. SUBSTANCE: safety arrangement has the form of flat membrane. The membrane has movable pressure ring with lock groove, fixed ring, and separate locking segments. Ends of segments are secured to surfaces of movable and fixed pressure rings. Stop mechanism is provided with stop roller rigidly connected to hammer and stop groove. Cock mechanism has flat spring with locking member. EFFECT: improved reliability in operation. 3 cl
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Authors
Dates
1994-05-30—Published
1991-02-25—Filed