초록 ▼

A slide locking apparatus has: a first locking piece having a narrow width locking hook section, a third locking piece having a broad width locking hook section and a second locking hook having an intermediate width locking hook section, which are held on an upper aril; and first to third locking pi

A slide locking apparatus has: a first locking piece having a narrow width locking hook section, a third locking piece having a broad width locking hook section and a second locking hook having an intermediate width locking hook section, which are held on an upper aril; and first to third locking piece accommodating holes which have width corresponding to the widths of the respective locking hook sections of the first locking piece to the third locking piece, and which are provided in a lower rail. The first locking piece accommodating hole is disposed on a frontmost end, the second locking piece accommodating hole is disposed to the rear side of the first locking piece accommodating hole, and the third locking piece accommodating holes are disposed to the rear side of the second locking piece accommodating hole.

대표청구항 ▼

1. A seat slide locking apparatus, comprising: a lower rail;an upper rail which is movable along a lengthwise direction of the lower rail;a plurality of locking pieces which are provided on one of the lower rail and the upper rail, and which have locking hook sections arranged in one row, with thick

1. A seat slide locking apparatus, comprising: a lower rail;an upper rail which is movable along a lengthwise direction of the lower rail;a plurality of locking pieces which are provided on one of the lower rail and the upper rail, and which have locking hook sections arranged in one row, with thickness directions thereof aligned in the lengthwise direction of the one of the lower rail and the upper rail; anda plurality of locking piece accommodating sections which are provided in the other one of the lower rail and the upper rail and which accommodate the locking hook sections of the locking pieces, whereinthe plurality of locking pieces are constituted by pieces of a plurality of types having the locking hook sections of different widths and are arranged successively along the lengthwise direction of the one of the lower rail and the upper rail in order of increasing width of each of the locking hook section;the plurality of locking piece accommodating sections are constituted by accommodating sections of a plurality of types having different widths arranged in order of increasing width thereof from one end side to the other end side in the lengthwise direction of the other one of the lower rail and the upper rail and formed so as to correspond to the widths of the respective locking hook sections; andsimultaneously with a locking piece, which has a locking hook section corresponding to a locking piece accommodating section of narrowest width, entering the locking piece accommodating section of narrowest width, a locking piece having a locking hook section corresponding to a locking piece accommodating section adjacent to the locking piece accommodating section of narrowest width is able to enter the adjacent locking piece accommodating section. 2. A seat slide, comprising: a lower rail;an upper rail that is movable along a lengthwise direction of the lower rail;a plurality of locking pieces provided on one of the lower rail and the upper rail and having locking hook sections arranged in one row with thickness directions thereof aligned in the lengthwise direction of the one of the lower rail and the upper rail; anda plurality of locking piece accommodating sections provided in the other one of the lower rail and the upper rail and that accommodate the locking hook sections of the locking pieces, whereinthe plurality of locking pieces are constituted by pieces of a plurality of types having the locking hook sections of different widths; andthe plurality of locking piece accommodating sections are constituted by accommodating sections of a plurality of types having different widths that correspond to the widths of the respective locking hook sectionsthe plurality of locking pieces comprise:a first locking piece having a narrow width locking hook section;a third locking piece having a broad width locking hook section of broader width than the narrow width locking hook section; anda second locking piece disposed between the first locking piece and the third locking piece and having an intermediate width locking hook section of broader width than the narrow width locking hook section and narrower width than the broad width locking hook section,the locking piece accommodating sections comprise:a first locking piece accommodating section which corresponds to the narrow width locking hook section, and which is able to accommodate the narrow width locking hook section and is not able to accommodate the intermediate width locking hook section or the broad width locking hook section;a second locking piece accommodating section which corresponds to the intermediate width locking hook section, and which is able to accommodate the intermediate width locking hook section and the narrow width locking hook section and is not able to accommodate the broad width locking hook section; andthird locking hook accommodating section which correspond to the broad width locking hook section, and which are able to accommodate the broad width locking hook section, the narrow width locking hook section and the intermediate width locking hook section, and whereinthe first locking piece accommodating section is disposed further towards a side of the one end or a side of the other end in the lengthwise direction of the other one of the lower rail and the upper rail than the second locking piece accommodating section and the third locking piece accommodating section, andthe second locking piece accommodating section is disposed between the first locking piece accommodating section and the third locking piece accommodating section in the lengthwise direction of the other one of the lower rail and the upper rail. 3. The seat slide locking apparatus according to claim 2, wherein a connecting hole is formed in the second locking piece accommodating section to have a broader width than the second locking piece accommodating section and to be able to accommodate the narrow width locking hook section, the intermediate width locking hook section and the broad width locking hook section; andthe connecting hole is disposed between the second locking piece accommodating section and the third locking piece accommodating section so as to communicate with the second locking piece accommodating section. 4. The seat slide locking apparatus according to claim 2, further comprising: a holding member which fixes the plurality of locking pieces to the upper rail, whereinthe first locking piece, the second locking piece and the third locking piece each have substantially the same thickness,the plurality of locking piece accommodating sections are formed in the lower rail,in the plurality of locking pieces held by the holding member, the first locking piece is held at a frontmost end of the upper rail, the third locking piece is held at a rearmost end of the upper rail, and at least one second locking piece is held between the first locking piece and the third locking piece,the locking piece accommodating section formed on a frontmost side of the lower rail is the first locking piece accommodating section, the second locking piece accommodating section is formed to the rear side of the first locking piece accommodating section, and the third locking piece accommodating section is formed to the rear side of the second locking piece accommodating section, andwhen the first locking piece enters the first locking piece accommodating section, at least one of the following states arises:(A) the second locking piece enters the second locking piece accommodating section, or(B) the third locking piece enters the third locking piece accommodating section. 5. The seat slide locking apparatus according to claim 2, further comprising: a holding member which fixes the plurality of locking pieces to the upper rail, whereinthe first locking piece, the second locking piece and the third locking piece each have substantially the same thickness,the plurality of locking piece accommodating sections are formed in the lower rail,in the plurality of locking pieces held by the holding member, the first locking piece is held at a frontmost end of the upper rail, the third locking piece is held at a rearmost end of the upper rail, and at least one second locking piece is held between the first locking piece and the third locking piece,the locking piece accommodating section formed on a frontmost side of the lower rail is the first locking piece accommodating section, the second locking piece accommodating section is formed to the rear side of the first locking piece accommodating section, and the third locking piece accommodating section is formed to the rear side of the second locking piece accommodating section, andwhen the first locking piece enters the second locking piece accommodating section, at least one of the following states arises:(A) the second locking piece enters at least one of the second locking piece accommodating section and the third locking piece accommodating section, or(B) the third locking piece enters the third locking piece accommodating section. 6. The seat slide locking apparatus according to claim 2, further comprising: a holding member which fixes the plurality of locking pieces to the upper rail, whereinthe first locking piece, the second locking piece and the third locking piece each have substantially the same thickness;the plurality of locking piece accommodating sections are formed in the lower rail;in the plurality of locking pieces held by the holding member, the first locking piece is held at a rearmost end of the upper rail, the third locking piece is held at a frontmost end of the upper rail, and at least one second locking piece is held between the first locking piece and the third locking piece;the locking piece accommodating section formed on a rearmost side of the lower rail is the first locking piece accommodating section, the second locking piece accommodating section is formed to the front side of the first locking piece accommodating section, and the third locking piece accommodating section is formed to the front side of the second locking piece accommodating section; andwhen the first locking piece enters the first locking piece accommodating section, at least one of the following states arises:(A) the second locking piece enters the second locking piece accommodating section, or(B) the third locking piece enters the third locking piece accommodating section. 7. The seat slide locking apparatus according to claim 2, further comprising: a holding member which fixes the plurality of locking pieces to the upper rail, whereinthe first locking piece, the second locking piece and the third locking piece each have substantially the same thickness,the plurality of locking piece accommodating sections are formed in the lower rail,in the plurality of locking pieces held by the holding member, the first locking piece is held at a rearmost end of the upper rail, the third locking piece is held at a frontmost end of the upper rail, and at least one second locking piece is held between the first locking piece and the third locking piece,the locking piece accommodating section formed on a rearmost side of the lower rail is the first locking piece accommodating section, the second locking piece accommodating section is formed to the front side of the first locking piece accommodating section, and the third locking piece accommodating section is formed to the front side of the second locking piece accommodating section; andwhen the first locking piece enters the second locking piece accommodating section, at least one of the following states arises:(A) the second locking piece enters at least one of the second locking piece accommodating section and a third locking piece accommodating section, or(B) the third locking piece enters the third locking piece accommodating section.