Title:
SPACER INCORPORATING WASHER WITH SPRING
Document Type and Number:
Japanese Patent JP2003148442
Kind Code:
A
Abstract:
To provide a washer capable of surely preventing bolts and nuts from loosening by providing a spacer with spring in a special washer.
A strong tightening by a spring action and the effect of preventing looseness due to vibration and shrinkage of wood can be expected by incorporating the spacer with spring in the special washer. Thus, the bolts and nuts can be held always at a constant tightening force.
Inventors:
SATO KENKICHI
Application Number:
JP2001383782A
Publication Date:
May 21, 2003
Filing Date:
November 12, 2001
Export Citation:
Assignee:
SATO KENKICHI
International Classes:
E04B1/26; E04B1/48; F16B39/24; F16B43/00; (IPC1-7): F16B43/00; E04B1/26; E04B1/48; F16B39/24
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