VIBRO-ISOLATING DEVICE OF ROLLING IN ELEVATOR
PURPOSE:To prevent rolling of a riding cage by providing a subrail engaging piece which guides the riding cage through a damper in a position distant in the lengthwise direction of a guide rail from a position of a pair of upper and lower rail engaging pieces. CONSTITUTION:A pair of rail engaging pi...
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Format: | Patent |
Sprache: | eng |
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Zusammenfassung: | PURPOSE:To prevent rolling of a riding cage by providing a subrail engaging piece which guides the riding cage through a damper in a position distant in the lengthwise direction of a guide rail from a position of a pair of upper and lower rail engaging pieces. CONSTITUTION:A pair of rail engaging pieces 7 are placed in a pitch P between rail brackets 11, and a guide rail 10 is curved by receiving reaction force of rolling of a riding cage 5. Since a maximum value of this bending deflection is generated in the vicinity of the center of the pitch P of the rail bracket 11, a subrail engaging piece 9 is engaged with the rail in that position, and the rail engaging piece 7 is engaged with the rail in the vicinity of 1 minimum value of bending deflection. Consequently, a damper 12 can be moved in a sufficient stroke for the rolling, so that vibration energy is sufficiently absorbed. |
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