| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a structure for joining stringers together, which enables joining work to be easily performed on a job site. <P>SOLUTION: At an end of the stringer 1, protrusions 5 and recesses 6 are alternately formed at the ends of inside stringer plates 3a and 3b; protrusions 5 and recesses 6 are formed at the ends of outside stringer plates 4a and 4b, so that the recesses 6 can be located in positions corresponding to the protrusions 5 of the inside stringer plates 3a and 3b and so that the protrusions 5 can be located in positions corresponding to the recesses 6 of the inside stringer plates 3a and 3b; the recesses 6 and the protrusions 5, which are engaged with the protrusions 5 and recesses 6 of the inside stringer plates 3a and 3b of the stringer 1, are formed at the ends of the inside stringer plates 3a and 3b of the stringer 2; the recesses 6 and the protrusions 5, which are engaged with the protrusions 5 and recesses 6 of the outside stringer plates 4a and 4b of the stringer 1, are formed at the ends of the outside stringer plates 4a and 4b; the ends of the inside stringer plates 3a and 3b of both the stringers 1 and 2 and those of the outside stringer plates 4a and 4b are protrusion-and-recess-engaged with one another; the protrusions 5 of the inside stringer plates 3a and 3b of the stringer 1 are connected with the protrusions 5 of the outside stringer plates 4a and 4b of the stringer 2; and the protrusions 5 of the outside stringer plates 4a and 4b of the stringer 1 are connected with the protrusions 5 of the inside stringer plates 3a and 3b of the stringer 2. <P>COPYRIGHT: (C)2005,JPO&NCIPI</p> |
