An electrode for an image forming apparatus, the electrode including: an elastically deformable spring portion that is formed in a cylindrical shape by spirally winding a wire; a ring portion that is an electrical contact portion having an annular shape and provided to one end side of the spring portion in an axial direction of the spring portion, the ring portion being formed by winding the wire around a center line, which intersects with the axial direction of the spring portion, at least twice; an inner portion that is formed by the wire forming the ring portion and is positioned at an inside of the ring portion; and an outer portion that is formed by the wire forming the ring portion and is positioned at an outside of the ring portion.

Claims

20 · 3 independent · depth 2

20 granted claims

›1.independentAn electrode for an image forming apparatus, the electrode comprising:nan elastically deformable spring portion that is formed in a cylindrical shape …+8

›2.↳ 1The electrode for an image forming apparatus according to claim 1,nwherein the inner portion and the outer portion deviate with respect to the ring po…d2

›3.↳ 1The electrode for an image forming apparatus according to claim 1,nwherein the outer portion connects the spring portion and the ring portion.d2

›4.↳ 1The electrode for an image forming apparatus according to claim 1,nwherein the inner portion is formed in a straight shape and includes a string porti…d2

›5.↳ 1The electrode for an image forming apparatus according to claim 1,nwherein the outer diameter of the ring portion is larger than the outer diameter of…d2

›6.↳ 1The electrode for an image forming apparatus according to claim 1,nwherein a value obtained by dividing an average diameter of the ring portion by a w…d2

›7.↳ 1The electrode for an image forming apparatus according to claim 1,nwherein the inner portion and the outer portion are provided at the spring portion …d2

›8.↳ 1The electrode for an image forming apparatus according to claim 1,nwherein the spring portion, the ring portion, the inner portion and the outer porti…d2

›9.↳ 1An image forming apparatus comprising:nan apparatus main body;a process unit that is detachably mounted to the apparatus main body and is configured t…d2

›10.independentAn electrode for an image forming apparatus, the electrode comprising:nan elastically deformable spring portion that is formed in a cylindrical shape …+5

›16.independentAn electrode for an image forming apparatus, the electrode comprising:nan elastically deformable spring portion that is formed in a cylindrical shape …+4

Classifications

7 codes

IPC · International Patent Classification

Section G — Physics

G03G21/16
G03G21/18
G03G15/00
G03G15/02

USPC · US Patent Classification

399/90267/179439/700

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Pendency

2.2 y

797 days filing → grant

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non-final + final

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no RCE

Examiner

Christ Mahoney

art unit 2852 · TC 2800

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1 priority documents

›Priority documents — 1

Type	Document	Date
related publication	US 20130188982 A1	25 Jul 2013

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