Title:
MALE SCREW
Document Type and Number:
Japanese Patent JP2015163804
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide an epoch-making male screw having an extremely high commercial value.SOLUTION: In a male screw 1 for being screwed into a female screw 20, a bottomed small female screw 2 is provided in the lengthwise direction of the shaft center of the male screw 1, and a slave male screw 10 is screwed into the small female screw 2. The male screw 1 is provided with a slit 3 which is orthogonal to the shaft center direction, which is set deep enough to reach the small female screw 2 and which has a predetermined peripheral length. In the small female screw 2 and the slave male screw 10, a part from the bottom of the small female screw 2 to the slit 3 is configured as a non-screwing part.
More Like This:
| JP3919283 | FASTENING BOLT |
Inventors:
KONISHI YUKIO
Application Number:
JP2014039748A
Publication Date:
September 10, 2015
Filing Date:
February 28, 2014
Export Citation:
Assignee:
KONISHI YUKIO
International Classes:
F16B39/02; F16B35/00; F16B35/04; F16B37/04; F16B39/286
Domestic Patent References:
| JPS4849461U | 1973-06-28 |
Foreign References:
| US20120230798A1 | 2012-09-13 | |||
| US20120025163A1 | 2012-02-02 | |||
| FR1239883A | 1960-08-26 | |||
| WO2004088786A1 | 2004-10-14 |
Attorney, Agent or Firm:
Tsuyoshi Yoshii
Masae Yoshii
Masae Yoshii