FIELD: human life necessities satisfaction.
SUBSTANCE: knife comprises a blade with the thrust support roller and the sample device, a breechblock with the crankshaft, fixed between the right side plate and the left side plate, with the axis and a coil spring. The thread is cut and the coil spring cavity is implemented on the breechblock crankshaft on the one side. The knife is bushed, one of the bushes is threaded for screwing on the thread of the breechblock crankshaft and is located at the left side plate, the other bush - at the right side plate. The coil spring is fixedly attached to the left side plate with one end, and with the second - to the breechblock with the radial part. Along with this, there are equal oblique cuts with the 3-15 degree angle in the sample device on the blade and on the breechblock radial part.
EFFECT: blade fixation reliability growth.
5 dwg
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