Drive device and image forming apparatus incorporating the drive device

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 11747763
APP PUB NO 20220308517A1
SERIAL NO

17697434

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A drive device that drives a detachable unit detachably attached to an image forming apparatus includes a drive coupling, a rotary shaft, a relay member, a contact member, and a compression spring. The drive coupling contacts and separate from a driven coupling of the detachable unit along with movement of the detachable unit. The relay member transmits rotation force of the rotary shaft to the drive coupling to rotate together. The compression spring has an axial end contacting the contact member disposed away from the driven coupling from the relay member and another axial end contacting the relay member. The drive coupling includes an outer circumferential restrictor restricts radial movement of the compression spring. The relay member includes an inner circumferential restrictor restricts radial movement of the compression spring.

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Patent Owner(s)

Patent OwnerAddress
RICOH COMPANY LTDTOKYO 143-8555

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Takagi, Hiroaki Kanagawa, JP 59 468

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