Title:
A BOLT/NUT STRUCTURE FOR PREVENTING FROM LOOSENING AND RESISTING VIBRATIONS
Document Type and Number:
WIPO Patent Application WO/1999/066218
Kind Code:
A1
Abstract:
A bolt/nut structure includes mainly axial teeth or splines and recesses disposed respectively on the bolt and in the nut, an outer sleeve shaped as a spiral spring and engaged with the teeth of the bolt, an inner sleeve shaped as a spiral spring and engaged with the recesses of the nut, a screw hole provided in the center of the bolt, a screw with a head introduced into the end of the bolt, a screw hole provided on the side wall of the inner teeth sleeve in the nut for locking a bolt; the resilience of the said inner and outer sleeves and the displaceability of the same after being engaged with the said axial teeth and the recesses can bring good effects of preventing from loosening and dead-locking as well as resisting vibration while this invention is used in locking the engagement of bolts and nuts.
Inventors:
TSENG SHAO-CHIEN (CN)
Application Number:
PCT/CN1998/000099
Publication Date:
December 23, 1999
Filing Date:
June 18, 1998
Export Citation:
Assignee:
TSENG SHAO CHIEN (CN)
International Classes:
F16B33/02; F16B37/12; (IPC1-7): F16B39/28
Foreign References:
| US3464474A | 1969-09-02 | |||
| US1406315A | 1922-02-14 | |||
| GB1549321A | 1979-08-01 | |||
| US2302359A | 1942-11-17 | |||
| US3163079A | 1964-12-29 |
Attorney, Agent or Firm:
SHANGHAI PATENT & TRADEMARK LAW OFFICE (Shanghai 3, CN)
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