SEAT SLIDING APPARATUS

To reduce a load applied to bend a screw shaft to prevent breakage thereof while accepting falling down of a bracket at the excessive axial force action of the screw shaft in a seat sliding apparatus.SOLUTION: A seat sliding apparatus is equipped with: a lower rail; a slidable upper rail; a screw sh...

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Main Authors KUNO KENJI, YOKOI KAZUHIRO
Format Patent
LanguageEnglish
Japanese
Published 21.02.2019
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Abstract To reduce a load applied to bend a screw shaft to prevent breakage thereof while accepting falling down of a bracket at the excessive axial force action of the screw shaft in a seat sliding apparatus.SOLUTION: A seat sliding apparatus is equipped with: a lower rail; a slidable upper rail; a screw shaft 4: and a gear box having a gear screwing together with the screw shaft 4. A front side bracket 9 fixing the front end part of the screw shaft 4 to the lower rail has a bottom wall part 19, a vertical wall part 20 on which an insertion hole 21 is formed, and a nut 22 screwing together with the front end of the screw shaft 4 bush-inserted in the insertion hole 21. Besides, the insertion hole 21 is elongation-formed like a long hole from the end of the bottom wall part 19 side of the nut 22 to the bottom wall part 19 side so that the insertion hole 21 protrudes from the end of the bottom wall part 19 side of the nut 22 in the front view of the vertical wall part 20.SELECTED DRAWING: Figure 6 【課題】スクリューシャフトの過大軸力作用時におけるブラケットの倒れを容認しつつ、スクリューシャフトを曲げようとする荷重を軽減してその折損を防止する。【解決手段】ロアレールと、スライド可能なアッパーレールと、スクリューシャフト4と、スクリューシャフト4に螺合するギヤを有するギヤボックスと、を備える。スクリューシャフト4の前端部をロアレールに固定している前側ブラケット9は、底壁部19と、挿通孔21が形成された縦壁部20と、挿通孔21にブッシュ挿入されたスクリューシャフト4の前端に螺合するナット22と、を有する。縦壁部20の正面視において、ナット22のうち底壁部19側の端部から挿通孔21がはみ出すように、挿通孔21がナット22の底壁部19側の端部よりもさらに底壁部19側まで長孔状に延長形成されている。【選択図】図6
AbstractList To reduce a load applied to bend a screw shaft to prevent breakage thereof while accepting falling down of a bracket at the excessive axial force action of the screw shaft in a seat sliding apparatus.SOLUTION: A seat sliding apparatus is equipped with: a lower rail; a slidable upper rail; a screw shaft 4: and a gear box having a gear screwing together with the screw shaft 4. A front side bracket 9 fixing the front end part of the screw shaft 4 to the lower rail has a bottom wall part 19, a vertical wall part 20 on which an insertion hole 21 is formed, and a nut 22 screwing together with the front end of the screw shaft 4 bush-inserted in the insertion hole 21. Besides, the insertion hole 21 is elongation-formed like a long hole from the end of the bottom wall part 19 side of the nut 22 to the bottom wall part 19 side so that the insertion hole 21 protrudes from the end of the bottom wall part 19 side of the nut 22 in the front view of the vertical wall part 20.SELECTED DRAWING: Figure 6 【課題】スクリューシャフトの過大軸力作用時におけるブラケットの倒れを容認しつつ、スクリューシャフトを曲げようとする荷重を軽減してその折損を防止する。【解決手段】ロアレールと、スライド可能なアッパーレールと、スクリューシャフト4と、スクリューシャフト4に螺合するギヤを有するギヤボックスと、を備える。スクリューシャフト4の前端部をロアレールに固定している前側ブラケット9は、底壁部19と、挿通孔21が形成された縦壁部20と、挿通孔21にブッシュ挿入されたスクリューシャフト4の前端に螺合するナット22と、を有する。縦壁部20の正面視において、ナット22のうち底壁部19側の端部から挿通孔21がはみ出すように、挿通孔21がナット22の底壁部19側の端部よりもさらに底壁部19側まで長孔状に延長形成されている。【選択図】図6
Author YOKOI KAZUHIRO
KUNO KENJI
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Snippet To reduce a load applied to bend a screw shaft to prevent breakage thereof while accepting falling down of a bracket at the excessive axial force action of the...
SourceID epo
SourceType Open Access Repository
SubjectTerms PERFORMING OPERATIONS
SEATS SPECIALLY ADAPTED FOR VEHICLES
TRANSPORTING
VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDEDFOR
VEHICLES IN GENERAL
Title SEAT SLIDING APPARATUS
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