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Jack of screw DV
- Jack screw - the device with the manual drive which is used for lifting of loads. The screw jack in a functional purpose and a scope is similar to a hydraulic jack. It is also distinguished by small dimensions, the moderate price and reliability in operation.
- This equipment is in intermediate price category between rack and hydraulic jacks that corresponds to the level of its comparative reliability.
- The jack screw consists of the case, the screw of rise, a gear wheel of the screw of rise, a gear wheel of the drive and the handle for management of rise process. The handle of management during the work makes the pendular movements.
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