Title:
TONER CONVEYING DEVICE AND IMAGE FORMING DEVICE
Document Type and Number:
WIPO Patent Application WO/2020/162178
Kind Code:
A1
Abstract:
An image forming device (1) comprises: a housing (21) having a toner conveying passage (34); a screw (24) that conveys toner contained in the toner conveying passage (34) in a prescribed conveyance direction; and a downstream-side bearing (25) that supports an end portion of the screw (24) located downstream in the conveyance direction. The screw (24) has a shaft (51) that extends along the conveyance direction and a fin (52) that has a helical shape and is provided on the outer peripheral surface of the shaft (51). The shaft (51) has a downstream-side insertion section (54) that is inserted into the downstream-side bearing (25). The outer diameter of the downstream-side insertion section (54) is larger than the outer diameter of an end portion of the fin (52) located downstream in the conveyance direction.
Inventors:
MIZUTANI NAOKI (JP)
TOMIMORI KOSHIRO (JP)
TOMIMORI KOSHIRO (JP)
Application Number:
PCT/JP2020/002133
Publication Date:
August 13, 2020
Filing Date:
January 22, 2020
Export Citation:
Assignee:
KYOCERA DOCUMENT SOLUTIONS INC (JP)
International Classes:
G03G21/10; G03G15/08
Foreign References:
| JP2015215474A | 2015-12-03 | |||
| JP2009053577A | 2009-03-12 | |||
| JP2007322800A | 2007-12-13 | |||
| JP2004353764A | 2004-12-16 | |||
| JP2018081182A | 2018-05-24 | |||
| US20150098827A1 | 2015-04-09 |
Attorney, Agent or Firm:
KITAMURA, Chikahiko (JP)
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