Attachment coupler

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 7621689
APP PUB NO 20090129858A1
SERIAL NO

12074220

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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An attachment coupler is attached to an end of an arm of a working machine. An attachment having two attachment pins in parallel can be detachably attached to the attachment coupler. The attachment coupler includes a first U-shaped portion that engages with and supports one of the attachment pins sideways, and a second U-shaped portion that receives the other attachment pin downwardly. The second U-shaped portion includes a rotary hook that opens and closes the opening of the second U-shaped portion. The rotary hook includes an engagement securing member that engages with and secures the rotary hook when the rotary hook closes the opening of the second U-shaped portion and when the rotary hook opens the opening of the second U-shaped portion, and a bolt securing member that secures the rotary hook with a bolt when the rotary hook closes the opening of the second U-shaped portion.

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First Claim

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Family

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Patent Owner(s)

  • KABUSHIKI KAISHA MUROTO TEKKOSHO

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Moto, Yoshihiro Komatsu , JP 1 2
Nishioka, Takao Kaga , JP 54 545

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