Title:
FEED OPENING ADJUSTMENT DEVICE
Document Type and Number:
WIPO Patent Application WO/2015/177921
Kind Code:
A1
Abstract:
Provided is a feed opening adjustment device capable of finely adjusting the size in the height direction of the feed opening of a cage for raising chicks. The feed opening adjustment device (1) changes the size in the height direction of a feed opening, which is a space that is open in the lower part thereof, by raising and lowering a shield plate. The feed opening adjustment device is equipped with: an operating arm (10) for applying a raising or lowering force on the shield plate by being rotated in unison with a spindle (11); a shaft (41), which is supported by a support (50) so as to rotate freely and on the outer circumferential surface of which an external thread is formed; an internal thread part (42) through which the shaft passes; a stopper (43) for stopping the rotation of the internal thread part; an abutting part (44), which moves together with the internal thread part that advances and retracts in the axial direction of the shaft as a result of the rotation of the shaft and abuts against the operating arm on the movement path; and a handle (45) for rotating the shaft.
Inventors:
USUDA TADAYOSHI (JP)
Application Number:
PCT/JP2014/063686
Publication Date:
November 26, 2015
Filing Date:
May 23, 2014
Export Citation:
Assignee:
HYTEM CO LTD (JP)
International Classes:
A01K31/18; A01K39/01
Foreign References:
| JPS4522296Y1 | 1970-09-04 | |||
| JPS36964Y1 | ||||
| JPH05328871A | 1993-12-14 | |||
| GB363477A | 1931-12-24 |
Attorney, Agent or Firm:
MAEDA Kanji et al. (JP)
Kanji Maeda (JP)
Kanji Maeda (JP)
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