Gear, and image forming apparatus provided with the same

Details Gear, and image forming apparatus provided with the same Gear, and image forming apparatus provided with the same

2011-08-30

2011-08-30

Hannon, Thomas R (Department: 3656)

Machine element or mechanism

Gearing

Rotary bodies

C074SDIG010

Reexamination Certificate

active

08006582

ABSTRACT:
A gear is made of resin and includes: a support cylindrical portion; a teeth-formed cylindrical portion arranged coaxially with the support cylindrical portion on a radially outer side of the support cylindrical portion and formed with a plurality of teeth in its outer periphery; and a web connecting an outer peripheral surface of the support cylindrical portion and an inner circumferential surface of the teeth-formed cylindrical portion, and an axial thickness of at least a part of the web becomes thinner gradually from the outer peripheral surface of the support cylindrical portion to the inner circumferential surface of the teeth-formed cylindrical portion.

REFERENCES:
patent: 6752035 (2004-06-01), Noguchi et al.
patent: 11-13861 (1999-01-01), None
patent: 11013861 (1999-01-01), None
patent: 2000110919 (2000-04-01), None
patent: 2004230687 (2004-08-01), None
patent: 3666978 (2005-06-01), None

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