Drive transmission device and image forming apparatus incorporating same

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 9880508
SERIAL NO

15180162

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A drive transmission device includes a first rotary body coupled to a drive source, a second rotary body that receives a drive force transmitted from the drive source, a coupling that couples the first rotary body and the second rotary body, and a spring that presses the coupling toward the second rotary body. Each of the first rotary body and the second rotary body includes a plurality of grooves. The coupling has axially opposed first end and second end coupled to the first rotary body and the second rotary body, respectively. The coupling includes a plurality of couplers on a circumferential surface of each of the first end and the second end. The plurality of couplers are axially movable into and out of the plurality of grooves of each of the first rotary body and the second rotary body. The coupling has a spherical end face at the second end.

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Patent Owner(s)

Patent OwnerAddress
RICOH COMPANY LTDTOKYO

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Tomita, Kenji Tokyo, JP 69 570
Uji, Kentaro Kanagawa, JP 8 22

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