FIELD: constructing equipment engineering.
SUBSTANCE: device has body, in channel of which with capability for reciprocal movement striker is placed with supporting shoulders, space compensating means between body and striker, made in form of bushing placed on striker and made of resilient material. Connecting of striker and bushing is made along spherical surfaces with possible their oscillating movement relatively to each other.
EFFECT: higher reliability of operation due to liquidation of striker jams in the body as well as lower weight and as a result higher speed of driving while keeping minimal non-productive loss of compressed air.
2 cl, 3 dwg
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