FIELD: machine building.
SUBSTANCE: ratchet gear of free travel consists of ratchet and of sleeve wherein there are secured axles of curvilinear plates or triggers compressed with springs to ratchet. Flexible curvilinear plates are divided into two packages with equal number of plates; the packages are set off to each other at value facilitating alternate engagement of curvilinear plates from one package or another at gear jamming. The curvilinear plates in packages in their turn are also uniformly set off relative to each other on shelves of teeth.
EFFECT: reduced impact loads at free travel gear jamming; increased service life of gear.
3 dwg
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