Prop constant force, comprising a housing, a rod with a spring, characterized in that the rod is made composite of two parts: a hollow, with an axial blind bore and an external thread with a screw cap - on the one hand, and with the outer nesamotormozyascheysya threaded cylindrical nut - the other ; and integral, part of the blind hole of the hollow portion of the stem - on the one hand and the outer nesamotormozyascheysya threaded cylindrical nut - the other, wherein the first end of the nut contacts the end face of the threaded cap of the hollow part of the rod, and the second - with an additional spring fitted in the blind hole of the hollow of the stem; the support body is formed as a hollow cylinder inside which is placed a hollow portion of the stem with the nut and the axial spring fitted between the end nut and the interior of the supporting flange supports the housing and, on the opposite side of the flange on the bearing housing is threaded, on which is installed a threaded cap, having a socket contact with the hollow portion of the stem nut, the axial and additional springs are arranged coaxially, and between the nuts with nesamotormozyascheysya threaded axial end face and an additional spring washer set.
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