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Application filed by Л.Г. ФортиновfiledCriticalЛ.Г. Фортинов
Priority to SU3471489/23ApriorityCriticalpatent/SU1067758A1/en
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Упорная колодка, содержащая основание с шипами, отличающаяся тем, что, с целью увеличения сроков эксплуатации и улучшения удобств при перестановке, на внутренней части основания шарнирно установлены качалки с катками и рычагом с ручкой, при этом оси вращения катков расположены впереди центра тяжести колодки и позади шарниров качалок.A thrust block containing a spiked base, characterized in that, in order to increase the service life and improve handling comfort, on the inside of the base there are pivotally mounted rockers with rollers and a lever with a handle, while the axes of rotation of the rollers are located in front of the center of gravity of the block and behind hinge rocking.