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US 7,072,605 B2Granted
Rotary development device and image forming apparatus having a development unit mounted on a rotating member
AssigneeSeiko Epson Corporation
InventorMinoru Kishigami
Life of this patent
Estimating the term…
Abstract
A rotary development device includes a rotating member, a development unit which is detachably mounted on the rotating member, an engaging member which engages the rotating member and the development unit. The engaging member is provided so that a positioning pin is fitted into a positioning hole. The rotary development device further includes a biasing member which biases either the development unit or the rotating member so that the positioning pin is biased to inner face of the positioning hole.
Claims9
A rotary development device, comprising:
- a rotating member;
- a development unit, which is detachably mounted on the rotating member;
- an engaging member, which engages the rotating member and the development unit, the engaging member provided so that a positioning pin is fitted into a positioning hole, wherein the positioning pin is provided on a pivotal shaft of an idler gear on the rotating member which is engaged with a drive output gear in a developing position;
- and wherein the positioning hole is provided on the development unit at a position corresponding to the positioning pin to be fitted;
- and
- a biasing member, which biases either the development unit or the rotating member so that the positioning pin is biased to an inner face of the positioning hole.
3 more elements
A rotary development device, comprising:
- a rotating member;
- a development unit, which is detachably mounted on the rotating member;
- an engaging member, which engages the rotating member and the development unit, the engaging member provided so that a positioning pin is fitted into a positioning hole;
- and
- an elastic member, which is provided on the positioning pin,
- wherein the elastic member is intimately contacted with inner circumference of the positioning hole.
3 more elements
Dependencies are inferred from the claim text.