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Title:
CHAIN UNIT FOR RAISING SEEDLING CASE STACKING DEVICE
Document Type and Number:
Japanese Patent JP3373238
Kind Code:
B2
Abstract:

PURPOSE: To reduce noise and vibration accurately perform stacking a raising seedling case and improve durability of a chain by providing a pair of front/rear vertically turning chain groups wound around on the lower part formed into a sprocket and the upper part formed into a simple plate-shaped guide.
CONSTITUTION: Chains 29, 29 are linked around to lower part sprockets 28, 28 of a lower part rotary shaft 26 and a circular arc part 65 of a chain guide rail 614 fixed to an upper part shaft 25, and the chain guide rail 64 and the upper part shaft 25 can be vertically moved relating to right/left side front/rear pillars 24, 23. Consequently, since the upper part shaft and the chain guide rail 64 can be fixed relating to the rear pillar 23 and the front pillar 24, looseness of the chains 29, 29 can be easily removed, and also adjusting the chain at its assembly time can be very easily performed. Since the chains 29, 29 are meshed only with the lower part sprockets 28, 28 of the lower part rotary shaft 26, the chain is smoothly rotated with no displacement of meshing to smooth turning a receiving bridge, and a raising seedling case can be accurately stacked up to reduce also noise.


Inventors:
Yoshio Tate
Michio Tezuka
Takashi Komura
Yukio Aratani
Takashi Ito
Application Number:
JP35504192A
Publication Date:
February 04, 2003
Filing Date:
December 17, 1992
Export Citation:
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Assignee:
Suzutec Co., Ltd.
International Classes:
B65G57/03; B65G21/22; B65G23/44; (IPC1-7): B65G57/03; B65G21/22; B65G23/44
Domestic Patent References:
JP63154527A
JP61200815U
JP60170312U
Attorney, Agent or Firm:
Junichiro Shinzeki