FIELD: mechanical engineering.
SUBSTANCE: invention relates to articulated lever drives. Lever mechanism with accurate long-term dwell contains a drive hinge-lever device, which is made in the form of assembly into a common closed circuit with a post of double-hinged lever links of the drive crank, connecting rod and output link spring-loaded relative to post, connected in series to each other through gapless cylindrical hinges, wherein drive crank length is equal to con-rod length while con-rod length is smaller than post length.
EFFECT: simplified design and compactness in folded position.
1 cl, 7 dwg
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