ROTATING DEVICE AND SET SCREW - NTN TOYO BEARING CO LTD

Title:

ROTATING DEVICE AND SET SCREW

Document Type and Number:

Japanese Patent JP2007146939

Kind Code:

A

Abstract:

To prevent excessive deformation of an attachment member upon fixing the attachment member to a rotating shaft with a set screw even when a user fails to manage fastening torque of the set screw.

A fragile part 16 more easily twisted than a root part 15 is formed between both ends 11a and 11b of a screw part 12 of the set screw 10, and a wrench hole 13 opened to a rear end of the set screw 10 has a depth whereby a screw part 12b on a fore end 11b side than the fragile part 16 cannot be turned in the state wherein the fragile part 16 is wrenched off, and the screw part 12b on the front end side is prevented from being turned by breakage of the fragile part 16.

More Like This:

WO/2005/021983	LOOSENING INDICATOR FOR A BOLT OR NUT AND A CORRESPONDING SYSTEM
WO/1997/027812	SCREW FOR INSERTION INTO A BONE AND TOOL FOR REMOVING THIS SCREW
JP4172680	High-strength bolt

Inventors:

HONDO HARUTO
OZAKI TAKAYASU

Application Number:

JP2005340800A

Publication Date:

June 14, 2007

Filing Date:

November 25, 2005

Export Citation:

Click for automatic bibliography generation Help