DROP-OUT PREVENTION MECHANISM OF NUT MEMBER

Title:

DROP-OUT PREVENTION MECHANISM OF NUT MEMBER

Document Type and Number:

Japanese Patent JP2004353794

Kind Code:

A

Abstract:

To provide a drop-out prevention mechanism of a nut member capable of preventing the nut member and a bolt member from being damaged.

The bolt member 45 is loosened so that a drop-out stopper 45a of the bolt member 45 is brought in contact with the nut member 46 to be in the drop-out state. When the bolt member 45 is furthermore loosened, frictional force generated between the drop-out stopper 45a and the nut member 46 increases to be larger than the force with which a rotation restricting member 50 holds the nut member 46 so that the nut member 46 co-rotates with the bolt member 45 and the bolt member 45 and the nut member 45 are not subjected to the overload.

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Inventors:

MASUDA SATORU
MURATA SHINJIRO
ABE MASASHI
MARUTANI MASAHITO

Application Number:

JP2003153780A

Publication Date:

December 16, 2004

Filing Date:

May 30, 2003

Export Citation:

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Assignee:

OTSUKA KOKI KK
MITSUBISHI HEAVY IND LTD
NISSAN MOTOR

International Classes:

B60T7/10; F16B41/00; (IPC1-7): F16B41/00; B60T7/10

Attorney, Agent or Firm:

Hiroki Sasai

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