Title:
静音スパイラルコンベア
Document Type and Number:
Japanese Patent JP7033819
Kind Code:
B2
Abstract:
[Problem] To provide a spiral conveyor having a novel structure that is adapted to handle any chip while having a simple structure and is capable of achieving low vibration and low noise. [Solution] A tray 11 for a spiral conveyor 10 is configured from an outer tray 12, an inner tray 13 which is placed over the inside of the outer tray, and a vibration damping material 14 which is interposed between the outer tray and the inner tray. The tray 11 has a fixing means for detachably fixing the inner tray and the vibration damping material to the outer tray on the outside of a conveyance spiral casing. The vibration damping material may be a single vibration damping material which is continuous over substantially all of the area between the outer tray and the inner tray ( fig. 2 ) or may alternatively be arranged so as to be separated into a lower vibration damping material 14a that is provided in a noise generation area with which a conveyance spiral 15 is brought into contact and upper vibration damping materials 14b that are provided in a noise propagation area including the fixed portion ( fig. 6 ).
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Inventors:
Takaaki Maeda
Sugihide Nakajima
Sugihide Nakajima
Application Number:
JP2017121507A
Publication Date:
March 11, 2022
Filing Date:
June 21, 2017
Export Citation:
Assignee:
Tokyo Precision Engineering Co., Ltd.
International Classes:
B23Q11/00; B65G33/14
Domestic Patent References:
| JP2013244571A | ||||
| JP2012061588A | ||||
| JP2008044046A | ||||
| JP2015217506A | ||||
| JP63148238U |
Attorney, Agent or Firm:
Mulberry Hara Fumio