MESHING-CHAIN TYPE ADVANCING/RETRACTING ACTUATION APPARATUS
PROBLEM TO BE SOLVED: To provide a meshing-chain type advancing/retracting actuation apparatus which secures a housing space of a meshing-chain in a limited area in a plate surface of a chain housing guide plate and which avoids increases in vibration, fluttering and contact noise of the meshing-cha...
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Format: | Patent |
Sprache: | eng |
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Zusammenfassung: | PROBLEM TO BE SOLVED: To provide a meshing-chain type advancing/retracting actuation apparatus which secures a housing space of a meshing-chain in a limited area in a plate surface of a chain housing guide plate and which avoids increases in vibration, fluttering and contact noise of the meshing-chain.SOLUTION: Differential coefficients of an meshing-chain advancing edge side curved guide part 141b and an meshing-chain retracting edge side curved guide part 141d are set to approximate zero at connection parts Pab and Pde, and curvatures of the meshing-chain advancing edge side curved guide part 141b and the meshing-chain retracting edge side curved guide part 141d coincide with the curvature of a circular-arcuate guide part 141c at the connection parts Pab and Pde. |
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